Fluke 80 Series V manual Calibration Adjustment Counter, Calibration Adjustment Password

Digital Multimeter

Calibration Adjustment

Calibration Adjustment

The Meter features closed-case calibration adjustment using known reference sources. The Meter measures the applied reference source, calculates correction factors and stores the correction factors in nonvolatile memory.

The following sections present the features and Meter pushbutton functions that can be used during the Calibration Adjustment Procedure. Perform the Calibration Adjustment Procedure should the Meter fail any performance test listed in Table 15.

Calibration Adjustment Counter

The Meter contains a calibration adjustment counter. The counter is incremented each time a Calibration Adjustment Procedure is completed. The value in the counter can be recorded and used to show that no adjustments have been made during a calibration cycle.

Use the following steps to view the Meter's calibration counter.

1.While holding down B, turn the rotary knob from OFF to VAC. The Meter should display “ZCAL”.

2.Press Donce to see the calibration counter. For example "n001".

3.Turn the rotary knob to OFF.

Calibration Adjustment Password

To start the Calibration Adjustment Procedure, the correct 4-button password must be entered. The password can be changed or reset to the default as described in following paragraphs. The default password is “1234”.

Changing the Password

Use the following steps to change the Meter's password:

1.While holding down B, turn the rotary knob from OFF to VAC. The Meter displays “ZCAL”.

2.Press Donce to see the calibration counter.

3.Press Dagain to start the password entry. The Meter displays "????".

4.The Meter buttons represent the digit indicated below when entering or changing the password:

A= 1 B= 2 C= 3 D= 4 H= 5 E= 6 F= 7 G= 8

Press the 4 buttons to enter the old password. If changing the password for the first time, enter A(1) B(2) C(3) D(4).

5.Press Cto change the password. The Meter displays "----" if the old password is correct. If the password is not correct, the Meter emits a double beep, displays "????" and the password must be entered again. Repeat step 4.

6.Press the 4 buttons of the new password.

7.Press Dto store the new password.

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