B - Verification and Calibration

Calibrating and Entering Voltage Calibration Values

Action

4.Connect the DVM (ac volts mode) directly to the ac source via the ratio transformer shown in Figure B-1. Do not connect the load resistor or current shunt.

5.Press Shift Calibration, scroll to CAL VOLT AC, and press Enter.

6.Press Shift Calibration, scroll to CAL LEV P1, and press Enter to select the first calibration point.

7.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

8.Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P2 parameter, and press Enter. This selects the second calibration point.

9.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

10.Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P3 parameter, and press Enter.

11.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

12.Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P4 parameter, and press Enter.

13.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

The ac source is now holding the new voltage calibration constants in RAM

Calibrating and entering realtime voltage calibration values (Agilent 6843A only)

14.Press Shift Calibration, scroll to CAL VOLT RTIM, and press Enter.

15.Press Shift Calibration, scroll to CAL LEV P1, and press Enter.

16.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

Calibrating the OVP trip point

17.Press Shift Calibration, scroll to CAL VOLT PROT, and press Enter.

18.Wait for the ac source to compute the OVP calibration constant. The display returns to Meter mode when the OVP calculation is complete.

The ac source is now holding the new OVP calibration constants in RAM

19.If you are calibrating a 3-phase source , press Phase Select to select the next phase and repeat steps 4 through 13 and 17 and 18 for phases 2 and 3. The phase annunciators on the front panel indicate which phase is active.

Display

CAL:VOLT:AC

CAL:LEV P1

CAL:DATA 0.00

CAL:LEV P2

CAL:DATA 0.00

CAL:LEV P3

CAL:DATA 0.00

CAL:LEV P4

CAL:DATA 0.00

CAL:VOLT:RTIM

CAL:LEV P1

CAL:DATA 0.00

CAL:VOLT:PROT

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Agilent Technologies 6814B, 6834B manual Calibrating and Entering Voltage Calibration Values, Calibrating the OVP trip point

6834B, 6843A, 6814B specifications

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