gdm module

class gdm.Gdm

Bases: object

This module can control GDM-8261A、GDM-906X.

It supports USB interface to use SCPI.

It will scan available instruments on your DSO, then require a serial number to specify and connect to it.

Usage:

import gdm
inst = gdm.Gdm()
inst.connect('<Instrument Serial Number>')
print(inst.idn())
inst.close()

abort() → None: Aborts a measurement in progress, returning the instrument to the trigger idle state.

clear_all_calculations() → None: Clears all of the compare results, statistic calculation value, histogram calculation value, and measurement value. (For GDM-906X)

clear_compare_results() → None: Clears compare function result counts. (For GDM-906X)

clear_statistic_values() → None: Clears all of the statistic calculation values. (For GDM-906X)

close() → None: Close the connection.

configure_4W_resistance(disp: int = 1, range: str | None = None, res: str | None = None, auto_range: str | None = None, nplc: str | None = None) → None

Sets measurement to 4W Resistance on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Resistance range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (str, optional) – Auto-range setting. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.
nplc (str, optional) –
Integration time in PLCs. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value. For any numeric value, the DMM will automatically set the PLC to the closest acceptable value. The acceptable PLC values are:
- GDM-8261A: 0.025, 0.1, 0.25, 1, 2, 12.
- GDM-906X: 0.006, 0.0083, 0.0125, 0.025, 0.05, 0.15, 0.6, 1, 3, 12.

configure_ACI(disp: int = 1, range: str | None = None, res: str | None = None, auto_range: str | None = None) → None

Sets measurement to AC Current on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Current range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (str, optional) – AC current auto-range setting. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

configure_ACV(disp: int = 1, range: str | None = None, res: str | None = None, auto_range: str | None = None) → None

Sets measurement to AC Voltage on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (str, optional) – AC voltage auto-range setting. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

configure_DCI(disp: int = 1, range: str | None = None, res: str | None = None, auto_range: str | None = None, nplc: str | None = None) → None

Sets measurement to DC Current on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Current range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (str, optional) – DC current auto-range setting. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.
nplc (str, optional) –
Integration time in PLCs. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value. For any numeric value, the DMM will automatically set the PLC to the closest acceptable value. The acceptable PLC values are:
- GDM-8261A: 0.025, 0.1, 0.25, 1, 2, 12.
- GDM-906X: 0.006, 0.0083, 0.0125, 0.025, 0.05, 0.15, 0.6, 1, 3, 12.

Sets measurement to DC Voltage on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (str, optional) – DC voltage auto-range setting. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.
nplc (str, optional) –
Integration time in PLCs. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value. For any numeric value, the DMM will automatically set the PLC to the closest acceptable value. The acceptable PLC values are:
- GDM-8261A: 0.025, 0.1, 0.25, 1, 2, 12.
- GDM-906X: 0.006, 0.0083, 0.0125, 0.025, 0.05, 0.15, 0.6, 1, 3, 12.
auto_imp (str, optional) – Automatic input impedance. Acceptable values include 0, 1, ‘ON’ or ‘OFF’. (For GDM-906X)

configure_DCV_ratio(range: str | None = None, res: str | None = None) → None

Sets measurement to DCV ratio mode on the 1st display and specifies range/resolution.

Parameters:

range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Sets measurement to 4W RTD on the first display and specifies sensor type, along with related coefficients.

Parameters:

sensor (str, optional) – RTD Type, one of ‘PT100’, ‘D100’, ‘F100’, ‘PT385’, ‘PT3916’, or ‘USER’.
alpha (float, optional) – RTD Alpha coefficient, range is 0 to 10, default value is 0.00385.
beta (float, optional) – RTD BETA coefficient, range is 0 to 10, default value is 0.10863.
delta (float, optional) – RTD DELTa coefficient, range is 0 to 10, default value is 1.49990.
res (str, optional) – 4W RTD resolution. Acceptable values include ‘MIN’, ‘MAX’, or a specific numeric value.
R0 (str, optional) – Reference resistance (R0) of 4-wire RTD measurement. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value (80.0~120.0). (For GDM-906X)

Sets measurement to 2W RTD on the first display and specifies sensor type, along with related coefficients.

Parameters:

sensor (str, optional) – RTD Type, one of ‘PT100’, ‘D100’, ‘F100’, ‘PT385’, ‘PT3916’, or ‘USER’.
alpha (float, optional) – RTD Alpha coefficient, range is 0 to 10, default value is 0.00385.
beta (float, optional) – RTD BETA coefficient, range is 0 to 10, default value is 0.10863.
delta (float, optional) – RTD DELTa coefficient, range is 0 to 10, default value is 1.49990.
res (str, optional) – 2W RTD resolution. Acceptable values include ‘MIN’, ‘MAX’, or a specific numeric value.
R0 (str, optional) – Reference resistance (R0) of 2-wire RTD measurement. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value (80.0~120.0). (For GDM-906X)

configure_TCUP(sensor: str = '', rjunction: float | None = None, res: str | None = None) → None

Sets measurement to Temperature thermocouple (T-CUP) on the first display and specifies sensor type, along with related coefficients.

Parameters:

sensor (str, optional) – Thermocouple type, one of ‘B’, ‘E’, ‘J’, ‘K’, ‘N’, ‘R’, ‘S’, or ‘T’.
rjunction (float, optional) – Simulated junction temperature value (0.00 ~ 50.00), default value is 23.00.
res (str, optional) – Thermocouple resolution. Acceptable values include ‘MIN’, ‘MAX’, or a specific numeric value.

configure_capacitance(range: str | None = None, auto_range: str | None = None, calibrate: bool = False) → None

Sets measurement to Capacitance on the 1st display and specify the range. (For GDM-906X)

Parameters:

range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (int or str, optional) – Auto-range setting for the capacitance measurement. Acceptable values include 0, 1, ‘ON’, ‘OFF’, ‘ONCE’.
calibrate (bool, optional) – If True, perform calibration before measurement. Only valid for 1nF and 10nF ranges.

configure_continuity(thr: int = 10, res: str | None = None, nplc: str | None = None, trig_delay: str | None = None, auto_zero: str | None = None) → None

Sets measurement to Continuity on the first display and specifies the related parameters.

Parameters:

thr (int) – Continuity threshold in ohms, 0 ~ 1000.
res (str, optional) – Continuity measurement resolution. Acceptable values include a numeric value, ‘MIN’, ‘MAX’, or ‘DEF’ (DEF is for GDM-906X).
nplc (str, optional) – Integration time in PLCs (power line cycles). Acceptable values include a numeric value, ‘MIN’, ‘MAX’, or ‘DEF’. (For GDM-906X)
trig_delay (str, optional) – Trigger delay that minimum step is microseconds. Acceptable values include a numeric value, ‘MIN’, ‘MAX’, or ‘DEF’. (For GDM-906X)
auto_zero (int or str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’. (For GDM-906X)

configure_diode(res: str | None = None, nplc: str | None = None, trig_delay: str | None = None, auto_zero: str | None = None) → None

Sets measurement to Diode on the first display and specifies the related parameters.

Parameters:

res (str, optional) – Diode measurement resolution. Acceptable values include a numeric value, ‘MIN’, or ‘MAX’’, or ‘DEF’ (DEF is for GDM-906X).
nplc (str, optional) – Integration time in PLCs (power line cycles). Acceptable values include a numeric value, ‘MIN’, ‘MAX’, or ‘DEF’. (For GDM-906X)
trig_delay (str, optional) – Trigger delay that minimum step is microseconds. Acceptable values include a numeric value (0 ~ 3600 s), ‘MIN’, ‘MAX’, or ‘DEF’. (For GDM-906X)
auto_zero (int or str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’. (For GDM-906X)

configure_disp2_off() → None: Turns the second display function off.

Sets measurement to Frequency on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
gtimer (float, optional) – Aperture time (gate time). Acceptable values are 0.01 for FAST, 0.1 for MID, or 1 for SLOW.
injack (int, optional) – Input port. For GDM-8261A, acceptable values are 0 for volt, 1 for 1A, or 2 for 10A. For GDM-906X, acceptable values are 0 for Voltage, 1 for 3A, or 2 for 10A.
volt_range (str, optional) – Voltage range for the frequency measurement. Acceptable values include a specific numeric value, ‘MIN’, ‘MAX’, or ‘DEF’.
vrange_auto (str, optional) – Auto-range setting for voltage range. Acceptable values are 0, 1, ‘ON’, ‘OFF’, ‘ONCE’.
curr_range (str, optional) – Current range for the frequency measurement. Acceptable values include a specific numeric value, ‘MIN’, ‘MAX’, or ‘DEF’. (For GDM-906X)
crange_auto (str, optional) – Auto-range setting for current range. Acceptable values are 0, 1, ‘ON’, ‘OFF’, ‘ONCE’. (For GDM-906X)

Sets measurement to Period on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
gtimer (float, optional) – Aperture time (gate time). Acceptable values are 0.01 for FAST, 0.1 for MID, or 1 for SLOW.
injack (int, optional) – Input port. Acceptable values are 0 for volt, 1 for 1A, or 2 for 10A.
volt_range (str, optional) – Voltage range for the period measurement. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value.
vrange_auto (str, optional) – Auto-range setting for voltage range. Acceptable values are 0, 1, ‘ON’, ‘OFF’, ‘ONCE’.
curr_range (str, optional) – Current range for the period measurement. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value. (For GDM-906X)
crange_auto (str, optional) – Auto-range setting for current range. Acceptable values are 0, 1, ‘ON’, ‘OFF’, ‘ONCE’. (For GDM-906X)

configure_resistance(disp: int = 1, range: str | None = None, res: str | None = None, auto_range: str | None = None, nplc: str | None = None) → None

Sets measurement to 2W Resistance on the specified display (either the first or second) and specify the range/resolution.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Resistance range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
auto_range (str, optional) – Auto-range setting for 2-wire resistance. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.
nplc (str, optional) –
Integration time in PLCs. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value. For any numeric value, the DMM will automatically set the PLC to the closest acceptable value. The acceptable PLC values are:
- GDM-8261A: 0.025, 0.1, 0.25, 1, 2, 12.
- GDM-906X: 0.006, 0.0083, 0.0125, 0.025, 0.05, 0.15, 0.6, 1, 3, 12.

configure_temperature(probe: str | None = None, sensor: str | None = None, res: str | None = None, nplc: str | None = None) → None

Sets measurement to Temperature on the 1st display and specifies type/resolution. (For GDM-906X)

Parameters:

probe (str, optional) – probe type, one of ‘TCOuple’, ‘RTD’, ‘FRTD’, ‘THERmistor’, ‘FTHermistor’.
sensor (str, optional) – Sensor type, varies based on the probe type. TCOuple: ‘J’, ‘K’, ‘N’, ‘R’, ‘S’, ‘T’, ‘B’, ‘E’, ‘USER’ RTD / FRTD: ‘PT100’, ‘D100’, ‘F100’, ‘PT385’, ‘PT3916’, ‘USER’ Thermistor / Fthermistor: ‘2.2kΩ’, ‘5kΩ’, ‘10kΩ’, ‘USER’
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.
nplc (str, optional) – Integration time in PLCs. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a specific numeric value (1, 3, or 12).

connect(SN: str, baudrate: int = 9600, timeout: int = 3) → int

Connect to the gdm.

Parameters:

SN (str) – Serial Number is necessary.
baudrate (int, optional) – baudrate. Defaults to 9600.
timeout (int, optional) – timeout. Defaults to 3.

Returns:

0 or -1

Return type:

int

err() → str

get_advanced_measurement() → str

Returns the current Advanced function.

Returns:: Current advanced measurement.
Return type:: measurement (str)

get_advanced_state() → str

Returns the status of the Advanced function.

Returns:: Advanced function status, either ‘ON’ or ‘OFF’.
Return type:: status (str)

get_auto_range(disp: int = 1) → bool

Returns the Auto-Range status of the function on the specified display.

Parameters:: disp (int) – Display number (1 or 2).
Returns:: True if the current status is Auto range, False if the current status is Manual range.
Return type:: status (bool)

get_average_count(function: int = 2) → int

Returns the total number of recorded counts. (For GDM-8261A)

Parameters:

function (int, optional) – Function for the count query, 0 for Store, 1 for Scan (Route), or 2 for Stats.
provided (If not) –
2 (defaults to) –

Returns:

Total number of counts.

Return type:

int

get_average_maximum(function: int = 2) → float

Returns the maximum recorded value. (For GDM-8261A)

Parameters:

function (int, optional) – Function for the query, 0 for Store, 1 for Scan (Route), or 2 for Stats.
provided (If not) –
2 (defaults to) –

Returns:

Maximum recorded value.

Return type:

float

get_average_minimum(function: int = 2) → float

Returns the minimum recorded value. (For GDM-8261A)

Parameters:

function (int, optional) – Function for the query, 0 for Store, 1 for Scan (Route), or 2 for Stats.
provided (If not) –
2 (defaults to) –

Returns:

Minimum recorded value.

Return type:

float

get_average_ptp(function: int = 2) → float

Returns the recorded peak-to-peak value (max value – min value). (For GDM-8261A)

Parameters:

function (int, optional) – Function for the query, 0 for Store, 1 for Scan (Route), or 2 for Stats.
provided (If not) –
2 (defaults to) –

Returns:

Peak-to-peak recorded value.

Return type:

float

get_average_sdev(function: int = 2) → float

Returns the recorded Standard Deviation. (For GDM-8261A)

Parameters:

function (int, optional) – Function for the query, 0 for Store, 1 for Scan (Route), or 2 for Stats.
provided (If not) –
2 (defaults to) –

Returns:

Recorded Standard Deviation.

Return type:

float

get_average_value(function: int = 2) → float

Returns the average recorded value. (For GDM-8261A)

Parameters:

function (int, optional) – Function for the query, 0 for Store, 1 for Scan (Route), or 2 for Stats.
provided (If not) –
2 (defaults to) –

Returns:

Average recorded value.

Return type:

float

get_compare_fail_counts() → tuple

Returns the low and high fail count of the compare function. (For GDM-906X)

Returns:: A tuple containing two integers, the low fail count and the high fail count.
Return type:: tuple

get_compare_lower_limit() → float

Returns the lower limit of the compare function.

Returns:: The lower limit value.
Return type:: float

get_compare_upper_limit() → float

Returns the upper limit of the compare function.

Returns:: The upper limit value.
Return type:: float

get_db_reference() → float

Returns the reference voltage from the dB function.

Returns:: The reference voltage value.
Return type:: float

get_dbm_reference() → float

Returns the resistance value from the dBm function.

Returns:: Resistance value.
Return type:: float

get_function(disp: int = 1) → str

Returns the current function on the specified display.

Parameters:

disp (int) – Display number (1 or 2).

Returns:

For display 1: One of ‘VOLT’, ‘VOLT:AC’, ‘CURR’, ‘CURR:AC’, ‘RES’, ‘FRES’,: ’FREQ’, ‘PER’, ‘TEMP:RTD’, ‘TEMP:FRTD’, ‘TEMP:TCO’, ‘DIOD’, ‘CONT’.
For display 2: One of ‘VOLT’, ‘VOLT:AC’, ‘CURR’, ‘CURR:AC’, ‘RES’, ‘FRES’,: ’FREQ’, ‘PER’, ‘NON’.

Return type:

current function (str)

get_math_b_offset() → float

Returns the offset factor B used in the math measurement.

Returns:: Offset factor B.
Return type:: float

get_math_m_factor() → float

Returns the scale factor M used in the math measurement.

Returns:: Scale factor M.
Return type:: float

get_math_percent() → float

Returns the reference value setting for the Percent function.

Returns:: Reference value.
Return type:: float

get_maximum_measurement() → float

Returns the maximum value from the Max/Min measurement.

Returns:: Maximum value.
Return type:: float

get_minimum_measurement() → float

Returns the minimum value from the Max/Min measurement.

Returns:: Minimum value.
Return type:: float

get_range(disp: int = 1) → str

Returns the current range on the specified display.

Parameters:

disp (int) – Display number (1 or 2).

Returns:

For DCV: 0.1(100mV), 1(1V), 10(10V), 100(100V), 1000(1000V). For ACV: 0.1(100mV), 1(1V), 10(10V), 100(100V), 750(750V). For ACI: 0.001(1mA), 0.01(10mA), 0.1(100mA), 1(1A), 10(10A). For DCI: 0.0001(100μA), 0.001(1mA), 0.01(10mA), 0.1(100mA), 1(1A), 10(10A) for disp 1,

or 0.001(1mA), 0.01(10mA), 0.1(100mA), 1(1A), 10(10A) for disp 2.

For RES: 10E+1(100Ω) 10E+2(1kΩ), 10E+3(10kΩ), 10E+4 (100kΩ), 10E+5(1MΩ), 10E+6(10MΩ), 10E+7(100MΩ). NONE: Indicates that the second display is not active.

Return type:

range (str)

get_relative_reference() → float

Returns the reference value from the relative function. (For GDM-8261A)

Returns:: Reference value.
Return type:: reference (float)

get_statistic_STDEV() → float

Returns the Standard Deviation value. (For GDM-906X)

Returns:: The Standard Deviation value.
Return type:: float

get_statistic_average() → float

Returns the average value. (For GDM-906X)

Returns:: The Average value.
Return type:: float

get_statistic_count() → float

Returns the total count of statistics. (For GDM-906X)

Returns:: The total count of statistics.
Return type:: float

get_statistic_maximum() → float

Returns the maximum value. (For GDM-906X)

Returns:: The maximum value.
Return type:: float

get_statistic_minimum() → float

Returns the minimum value. (For GDM-906X)

Returns:: The minimum value.
Return type:: float

get_statistic_peak_to_peak() → float

Returns the peak to peak value (max value – min value). (For GDM-906X)

Returns:: The peak to peak value.
Return type:: float

get_store_count() → int

Returns the number of counts that are recorded with the Store measurement function. (For GDM-8261A)

Returns:: Number of counts.
Return type:: int

get_uncalculated_data() → str: Returns uncalculated original measurement. (For GDM-906X)

idn() → str

initiate() → None: Changes the state of the triggering system from “idle” to “wait-for-trigger”, and clears the previous set of measurements from reading memory.

local_control() → None: Enables local control (front panel control) and disables remote control.

measure_4W_resistance(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the 4W resistance measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Resistance range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

4W resistance value.

Return type:

resistance (float)

measure_ACI(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the AC current measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Current range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

AC current value.

Return type:

ACI (float)

measure_ACV(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the AC voltage measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

AC voltage value.

Return type:

ACV (float)

measure_DCI(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the DC current measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Current range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

DC current value.

Return type:

DCI (float)

measure_DCV(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the DC voltage measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

DC voltage value.

Return type:

DCV (float)

measure_DCV_ratio(range: str | None = None, res: str | None = None) → float

Returns the DC ratio measurement on the 1st display.

Parameters:

range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

DC ratio value.

Return type:

DC ratio (float)

measure_FRTD(sensor: str = '') → float

Returns the 4W RTD temperature for the selected sensor type on the first display.

Parameters:: sensor (str, optional) – RTD Type, one of ‘PT100’, ‘D100’, ‘F100’, ‘PT385’, ‘PT3916’, or ‘USER’.
Returns:: Temperature value.
Return type:: temperature (float)

measure_RTD(sensor: str = '') → float

Returns the 2W RTD temperature for the selected sensor type on the first display.

Parameters:: sensor (str, optional) – RTD Type, one of ‘PT100’, ‘D100’, ‘F100’, ‘PT385’, ‘PT3916’, or ‘USER’.
Returns:: Temperature value.
Return type:: temperature (float)

measure_TCUP(sensor: str = '') → float

Returns the temperature for the selected thermocouple type on the first display.

Parameters:: sensor (str, optional) – Thermocouple type, one of ‘B’, ‘E’, ‘J’, ‘K’, ‘N’, ‘R’, ‘S’, or ‘T’.
Returns:: Temperature value.
Return type:: temperature (float)

measure_capacitance(range: str | None = None) → float

Returns the capacitance measurement value on the 1st display. (For GDM-906X)

Parameters:: range (str, optional) – Capacitance range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
Returns:: Capacitance measurement value.
Return type:: capacitance (float)

measure_continuity() → float

Returns the continuity measurement on the first display.

Returns:: Continuity in ohms.
Return type:: continuity (float)

measure_diode() → float

Returns the diode measurement on the first display.

Returns:: Diode voltage value.
Return type:: diode (float)

measure_frequency(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the frequency measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

Frequency value.

Return type:

frequency (float)

measure_period(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the period measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Voltage range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

Period value.

Return type:

period (float)

measure_resistance(disp: int = 1, range: str | None = None, res: str | None = None) → float

Returns the 2W resistance measurement on the specified display.

Parameters:

disp (int) – Display number, 1 for the first display, 2 for the second display.
range (str, optional) – Resistance range for the measurement. Acceptable values include ‘AUTO’, ‘DEF’ (both for autoranging), ‘MIN’, ‘MAX’, or a specific numeric value.
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

2W resistance value.

Return type:

resistance (float)

measure_temperature(probe: str | None = None, sensor: str | None = None, res: str | None = None) → float

Returns the temperature measurement value with the selected probe and type on the 1st display. (For GDM-906X)

Parameters:

probe (str, optional) – Probe type, one of ‘TCO’, ‘RTD’, ‘FRTD’, ‘THER’, ‘FTH’.
sensor (str, optional) – Sensor type, varies based on the probe type. TCOuple: ‘J’, ‘K’, ‘N’, ‘R’, ‘S’, ‘T’, ‘B’, ‘E’ RTD / FRTD: ‘PT100’, ‘D100’, ‘F100’, ‘PT385’, ‘PT3916’, ‘USER’ THERmistor / FTHermistor: ‘2.2kΩ’, ‘5kΩ’, ‘10kΩ’, ‘USER’
res (str, optional) – Resolution for the measurement. Acceptable values include ‘DEF’ for default setting value, ‘MIN’, ‘MAX’, or a specific numeric value.

Returns:

Temperature measurement value.

Return type:

Temperature (float)

opc() → int

query(cmd: str) → str

Send a query SCPI command to the instrument and return the result.

Parameters:: cmd (str) – SCPI command to be queried.
Returns:: Result of the SCPI command.
Return type:: str

read_display_value(disp: int = 1) → list

Returns the display values based on the specified display.

Parameters:: disp (int) – Display number, 1 for the first display, 2 for the second display.
Returns:: The measured values from the specified display.
Return type:: list

readline() → str

Read a line from the instrument’s communication port and return it as a string.

Returns:: The string read from the instrument.
Return type:: str

scpi_delay: SCPI delay.

Sets the sense parameters for 4-wire resistance measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-120.0 ~ 120.0 MΩ).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s). Minimum step is microseconds.
auto_zero (str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

Sets the sense parameters for AC Current measurement. (For GDM-906X)

Parameters:

bandwidth (str, optional) – AC current bandwidth setting. Acceptable values include 3, 20, 200, ‘MIN’, ‘MAX’, or ‘DEF’.
rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-12.0 to 12.0 A).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
terminals (int, optional) – Input port for the current function. Acceptable values include 3 or 10 (depending on the model, GDM-9060 : 3 / GDM-9061 : 3 | 10).
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s). Minimum step is microseconds.

Sets the sense parameters for AC Voltage measurement. (For GDM-906X)

Parameters:

bandwidth (float, optional) – AC bandwidth setting. Acceptable values include 3, 20, 200, ‘MIN’, ‘MAX’, or ‘DEF’.
rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-1200.0 to 1200.0 V).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s). Minimum step is microseconds.

Sets the sense parameters for DC Current measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-12.0 to 12.0 A).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
terminals (int, optional) – Input port for the current function. Acceptable values include 3 or 10 (depending on the model, GDM-9060 : 3 / GDM-9061 : 3 | 10).
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s). Minimum step is microseconds.
auto_zero (str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

Sets the sense parameters for DC Voltage measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-1200.0 to 1200.0 V).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s). Minimum step is microseconds.
auto_zero (str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

set_TCUP_sense(sim_val: str | None = None, sim_auto: str | None = None, sim_auto_offset: str | None = None) → None

Sets the thermocouple simulation parameters for Temperature measurement. (For GDM-906X)

Parameters:

sim_val (str, optional) – Thermocouple junction simulation temperature value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-20.00 to 80.00).
sim_auto (str, optional) – Auto junction reference temperature. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
sim_auto_offset (str, optional) – Junction reference temperature adjust value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-20.00 to 20.00).

set_ac_bandwidth(bandwidth: int | None = None) → None

Sets the AC bandwidth (AC filter).

Parameters:: bandwidth (int) – AC bandwidth. Acceptable values are 3, 20, or 200.

set_advanced_measurement(measurement: str | None = None) → None

Sets the Advanced function.

Parameters:: measurement (str) – Advanced measurement. For GDM-8261A: one of ‘OFF’, ‘MIN’, ‘MAX’, ‘HOLD’, ‘REL’, ‘COMP’, ‘DB’, ‘DBM’, ‘STORE’, ‘AVER’, ‘MXB’, ‘INV’, ‘REF’. For GDM-906X: one of ‘OFF’, ‘HOLD’, ‘DB’, ‘DBM’, ‘LIM’, ‘MXB’, ‘INV’, ‘REF’.

set_advanced_state(state: str | None = None) → None

Turns the Advanced function on/off.

Parameters:: state (str) – Advanced function state, either ‘ON’ or ‘OFF’.

set_analog_filter(state: str | None = None) → None

Turns the analog filter On/Off. (For GDM-8261A)

Parameters:: state (str) – Filter state, ‘ON’ or ‘OFF’.

set_auto_gain(mode: str | None = None) → None

Sets the Auto gain mode to on, off or once only. (For GDM-8261A)

Parameters:: mode (str) – Auto gain mode, one of ‘ON’, ‘OFF’, or ‘ONCE’.

set_auto_input_impedance(auto_imp: str | None = None) → None

Sets the Automatic input impedance for DCV mode.

Parameters:: auto_imp (str) – Automatic input impedance. Acceptable values include ‘ON’ or ‘OFF’.

set_auto_range(disp: int = 1, state: str | None = None) → None

Sets Auto-Range on or off on the specified display.

Parameters:

disp (int) – Display number (1 or 2).
state (str) – ‘ON’ or ‘OFF’.

set_auto_zero(mode: str | None = None) → None

Sets the Auto zeroing mode to on, off or once only. (For GDM-8261A)

Parameters:: mode (str) – Auto zero mode, one of ‘ON’, ‘OFF’, or ‘ONCE’.

set_average_count(count: int | None = None) → None

Sets the total number of statistic counts for Statistics Calculations (Analyze Stats). (For GDM-8261A)

Parameters:: count (int) – Number of counts, 0 for continuous count, or an integer value between 2 and 100000.

set_compare_parameters(lower_limit: str | None = None, upper_limit: str | None = None, beeper: str | None = None) → None

Sets the lower and upper limits and the beeper alarm mode of the compare function.

Parameters:

lower_limit (str) – Lower limit value, one of a float number, ‘MIN’, or ‘MAX’.
upper_limit (str) – Upper limit value, one of a float number, ‘MIN’, or ‘MAX’.
beeper (str) – Beeper alarm mode, one of ‘OFF’, ‘PASS’, or ‘FAIL’. (For GDM-906X)

set_compare_state(state: str | None = None) → None

Sets the status on/off for the compare function. (For GDM-906X)

Parameters:: state (int or str) – Status of the compare function, one of 0, 1, ‘ON’, ‘OFF’.

set_current_auto_detect(mode: str | None = None) → None

Sets the current auto-detect mode on or off for the current functions. (For GDM-8261A)

Parameters:: mode (str) – Current auto-detect, ‘ON’ or ‘OFF’.

set_db_reference(reference: str | None = None, method: str | None = None) → None

Sets the reference value and the method for the dB function.

Parameters:

reference (str) –
Reference value, one of ‘MIN’, ‘MAX’, or a numeric value. RefMethod:

Voltage: (-1200 ~ 1200 V) dBm: (-200.0 ~ 200 dBm)
method (str) – Method for the reference value, one of ‘VOLTage’ or ‘DBM’. (For GDM-906X)

set_db_reference_auto(auto: str | None = None) → None

Sets the first measurement as the reference value for dB measurement.

Parameters:: auto (int or str) – Auto reference setting, one of 0, 1, ‘ON’, ‘OFF’.

set_dbm_reference(reference: str | None = None) → None

Sets the resistance value for the dBm function.

Parameters:: reference (str) – Reference value. For GDM-8261A: one of ‘MIN’, ‘MAX’, or a numeric value. For GDM-906X: one of ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value in the range of (2, 4, 8, 16, 50, 75, 93, 110, 124, 125, 135, 150, 250, 300, 500, 600, 800, 900, 1000, 1200, 8000).

Sets the digital filter parameters.

Parameters:

disp (int, optional) – Display number, 1 for the first display, 2 for the second display (2 for GDM-9261A).
type (str, optional) – Filter type, One of ‘MOV’ for moving (default), ‘REP’ for repeating.
count (str, optional) – Filter count a number between 2 and 100, or ‘MIN’ or ‘MAX’. For GDM-9261A, ‘DEF’ is also valid.
window (float or str, optional) – Filter window, one of 0.01, 0.1, 1, 10, or ‘NONE’.
method (str, optional) – Filter window method, ‘Measure’ or ‘Range’ (For GDM-9261A).
state (str, optional) – Filter state, ‘ON’ or ‘OFF’. For GDM-9261A, 0 or 1 is also valid.

set_digital_shift(mode: str = 'ON') → None

Sets the Digital Shift function on or off.

Parameters:: mode (str) – D-Shift, ‘ON’ or ‘OFF’. Defaults to ‘ON’.

set_display_view(view_mode: str | None = None) → None

Sets the display form of the measured value.

Parameters:: view_mode (str) – Display form, one of ‘NUM’ (NUMeric), ‘HIST’ (HISTogram), ‘TCH’ (TCHart), or ‘MET’ (METer).

Sets the sense parameters for Frequency measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-1.2e6 to 1.2e6 Hz).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
timeout_auto (str, optional) – Assigns timeout time at the frequency measurement. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s).

set_hold_measurement(percentage: float | None = None) → None

Sets the percentage threshold for the Hold function.

Parameters:: percentage (float) – Percentage threshold, one of 0.01, 0.1, 1, or 10.

set_math_b_offset(offset: str | None = None) → None

Sets the offset factor B for math measurements.

Parameters:: offset (str) – Offset factor B, one of ‘MIN’, ‘MAX’, or a numeric value.

set_math_m_factor(factor: str | None = None) → None

Sets the scale factor M for math measurements.

Parameters:: factor (str) – Scale factor M, one of ‘MIN’, ‘MAX’, or a numeric value.

set_math_percent(value: str | None = None) → None

Sets the reference value for the Percent function.

Parameters:: value (str) – Reference value, one of ‘MIN’, ‘MAX’, or a numeric value.

Sets the sense parameters for Period measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-1.2 to 1.2 s).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
timeout_auto (str, optional) – Assigns timeout time at the period measurement. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s).

set_refresh_rate(rate: str | None = None) → None

Sets the detection rate (sample rate).

Parameters:: rate (str) – One of ‘S’ for SLOW, ‘M’ for MID, or ‘F’ for FAST.

set_relative_reference(reference: str | None = None) → None

Sets the reference value for the relative function. (For GDM-8261A)

Parameters:: reference (str) – Reference value, one of ‘MIN’, ‘MAX’, or a numeric value.

Sets the sense parameters for 2-wire resistance measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-120.0 ~ 120.0 MΩ).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s). Minimum step is microseconds.
auto_zero (str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

set_scpi_delay(delay: float) → None

Set the SCPI delay

Parameters:: delay (float) – delay time

set_statistic_calculation_state(state: str | None = None) → None

Turns the statistic calculation function on or off. (For GDM-906X)

Parameters:: state (int or str) – The state to set, must be one of 0, 1, ‘ON’, ‘OFF’.

set_store_count(count: str | None = None) → None

Sets the number of measurement counts that are recorded with the Store measurement function. (For GDM-8261A)

Parameters:: count (str) – Number of counts to record, an integer value between 2 and 9999, or ‘MIN’ or ‘MAX’.

Sets the sense parameters for Temperature measurement. (For GDM-906X)

Parameters:

rel_stat (str, optional) – Relative function state. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
rel_val (str, optional) – Relative value. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (-1.0e15 to 1.0e15).
rel_val_auto (str, optional) – Relative value auto on/off. Acceptable values include 0, 1, ‘ON’, or ‘OFF’.
res (str, optional) – Temperature measurement resolution. Acceptable values include ‘DEF’, ‘MIN’, ‘MAX’, or a specific numeric value.
probe_type (str, optional) – Temperature probe type. Acceptable values include ‘TC’, ‘RTD’, ‘FRTD’, ‘THER’, ‘FTH’.
trig_delay (str, optional) – Trigger delay time. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s).
auto_zero (str, optional) – Auto zero mode. Acceptable values include 0, 1, ‘ON’, ‘OFF’, or ‘ONCE’.

set_temperature_unit(unit: str | None = None) → None

Sets the temperature unit.

Parameters:: unit (str) – Temperature unit, one of ‘C’ or ‘F’.

set_therm2w_sense(a_param: str | None = None, b_param: str | None = None, c_param: str | None = None, sensor: str | None = None) → None

Sets the sense parameters for 2-wire Thermistor measurement. (For GDM-906X)

Parameters:

a_param (str, optional) – Thermistor A coefficient. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0.0~9.999999).
b_param (str, optional) – Thermistor B coefficient. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0.0~9.999999).
c_param (str, optional) – Thermistor C coefficient. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0.0~9.999999).
sensor (str, optional) – Thermistor sensor type. Acceptable values include 2200 (2.2kΩ), 5000 (5kΩ), 10000 (10kΩ), or ‘USER’.

set_therm4w_sense(a_param: str | None = None, b_param: str | None = None, c_param: str | None = None, sensor: str | None = None) → None

Sets the sense parameters for 4-wire Thermistor measurement. (For GDM-906X)

Parameters:

a_param (str, optional) – Thermistor A coefficient. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0.0~9.999999).
b_param (str, optional) – Thermistor B coefficient. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0.0~9.999999).
c_param (str, optional) – Thermistor C coefficient. Acceptable values include ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0.0~9.999999).
sensor (str, optional) – Thermistor sensor type. Acceptable values include 2200 (2.2kΩ), 5000 (5kΩ), 10000 (10kΩ), or ‘USER’.

Sets the trigger parameters including source, delay, auto mode, sample count, trigger count, and auto delay mode.

Parameters:

source (str) – Trigger source, one of ‘INT’ or ‘EXT’. For GDM-906X: one of ‘IMM’, ‘EXT’, ‘BUS’.
delay (str) – Trigger delay time. For GDM-8261A: one of ‘MIN’, ‘MAX’, or a numeric value (0 ~ 9999 ms). For GDM-906X: one of ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (0 ~ 3600 s), with a minimum step of microseconds.
auto (str) – Trigger auto mode, one of ‘ON’ or ‘OFF’.
sample_count (str) – Number of samples. For GDM-8261A: one of ‘MIN’, ‘MAX’, or a numeric value (1 ~ 9999). For GDM-906X: one of ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (1.0 ~ 1000000.0).
trigger_count (str) – Number of trigger counts. For GDM-8261A: one of ‘MIN’, ‘MAX’, or a numeric value (1 ~ 9999). For GDM-906X: one of ‘MIN’, ‘MAX’, ‘DEF’, or a numeric value (1.0 ~ 1000000.0).
delay_time_auto (int or str) – Trigger delay time auto mode, one of 0, 1, ‘ON’, or ‘OFF’. (For GDM-906X)
signal_slope (str) – Trigger signal slope, one of ‘POS’ or ‘NEG’. (For GDM-906X)
eom_slope (str, optional) – EOM output signal slope, one of ‘POS’ or ‘NEG’.(For GDM-906X)

write(cmd: str) → None

Write an SCPI command to the instrument.

Parameters:: cmd (str) – SCPI command to be written.