Enter Calibration Mode; Voltage Calibration - Keysight Technologies BT2152B Operating And Service Manual

5 Verification and Calibration
Step 1. Connect a 7.5 digit (or better) DMM to the calibration connector using three wires, twisted
together, according to the pin-out shown in the previous figure.
Step 2. Power-on the DMM and allow it to warm-up, as required.
Step 3. Plug the connector into the Cal port on the rear of the BT2152A/B to be calibrated.

Enter Calibration Mode

The following SCPI command starts the calibration. It aborts any other instrument process that is
running and prepares the instrument for reference calibration.
Send CAL:STAR
The front panel Test light flashes orange when calibration is running. The Test light turns off when
calibration is complete.

Voltage Calibration

Step 1. Put the DMM in voltage measurement mode in AUTO range, with a minimum of 100 PLC
averaging, auto input impedance (not 10M).
Step 2. Start the voltage calibration. Send
Step 3. Trigger a voltage measurement on the DMM. Measure the voltage between V and Com.
Cal Step 1
Begins voltage calibration
Step 4. Send the valid measurement to the instrument. Send
Step 5. Start the voltage offset calibration. Send
Step 6. Trigger a voltage measurement on the DMM. Measure the voltage between V and Com.
Cal Step 2
Begins voltage offset calibration
Step 7. Send the valid measurement to the instrument. Send
If CAL:RES? returns a value other than zero (0), an error has occurred. Send SYST:ERR? to
return the error. Check the calibration setup; then re-run the step.
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CAL:STEP 1
Calibration Limits
3.3 V to 3.8 V
CAL:RES? <value>
CAL:STEP 2
Calibration Limits
-0.001 V to 0.001 V
CAL:RES? <value>
Keysight BT2152A/B Operating and Service Guide