Gain Calibration Adjustment Overview
The ADC and zero calibration adjustment procedure must have been recently performed before beginning
gain calibration. Gain calibrations can be made using either the front or rear input (not available on the
34460A) terminals. On the 34461A/65A/70A, make sure the Front/Rear switch matches the terminals in
use.
Never turn off the instrument during a gain or flatness calibration. This may cause calibration memory for
the present function to be lost.
Valid Gain and Flatness Calibration Input Values
Gain calibration can be accomplished using the following input values.
Function Range Valid Amplitude Input Values
DC Volts
100 mV to 100 V 0.9 to 1.1 x Full Scale
1000 V 450 to 1000 V
DC Current
100 µA to 1 A 0.9 to 1.1 x Full Scale
3 A 1.5 A to 2.5 A
10 A 1.8 A to 10 A
Ohms (2W and 4W) 100 Ω to 100 MΩ 0.9 to 1.1 x Full Scale
Frequency Auto Input > 100 mV rms, 9.9 kHz to 110 kHz
AC Current (rms)
[1]
100 µA to 1 A 0.9 to 1.1 x Full Scale
3 A 0.9 A to 2 A
10 A 2 A to 10 A
AC Volts (rms)
[1]
100 mV to 10 V 0.9 to 1.1 x Full Scale
100 V 40 V to 110 V
750 V 400 to 750 V
[1]
Valid frequencies are nominal frequencies ±1%.
Calibration Adjustment Procedures
528
Keysight Truevolt Series Operating and Service Guide
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