Ohms Gain Calibration
This calibration procedure applies to all models (34460A/61A/65A/70A).
Review Test Considerations and Gain Calibration Considerations before beginning this procedure.
Configuration: 4-Wire Ohms
This procedure adjusts the gain for the 2-wire and 4-wire Ohms functions, and the offset compensated
Ohms function.
1.
Configure each function and range in the order shown in the table below.
2.
Apply the input signal shown in the Input column.
3.
Enter the actual applied input resistance (see Entering Calibration Values). A Calibration Step Suc-
ceeded message indicates success; if the display shows Calibration Step Failed, check the input value,
range, function, and entered calibration value and repeat the calibration step.
4.
Repeat steps 1 through 3 for each gain calibration point shown in the table.
5.
Store the new calibration constants (see Storing the Calibration Constants).
Each range takes less than 4 seconds to complete.
Instrument Settings
Input Function Range
100 Ω
4-wire Ohms
100 Ω
1 kΩ 1 kΩ
10 kΩ 10 kΩ
100 kΩ 100 kΩ
1 MΩ 1 MΩ
10 MΩ 10 MΩ
100 MΩ 2-wire Ohms 100 MΩ
Next Procedure
Calibration Adjustment Procedures
564
Keysight Truevolt Series Operating and Service Guide
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