Calibration Adjustment Password; Change The Password; Restore The Default Password - Fluke 150X Series Calibration Manual

Calibration Adjustment Password

Enter the correct four-key password to start the calibration adjustment procedure. You can
change the password or reset to the default as described in below. The default password is
1234.

Change the Password

To change the Tester password:
1. Hold down L, turn the rotary function switch from OFF to V. The Tester displays CAL.
2. Press the blue key once to see the calibration counter.
3. Press the blue key again to start the password entry. The Tester displays ----.
4. The Tester keys represent the digits indicated below when you enter or change the
password:
Blue Key = 1
5. Press the four keys to enter the old password. When you change the password for the first
time, press the blue key (1), L (2), C (3), T (4).
6. Press C to change the password. The Tester displays ---- if the old password is correct. If
the password is not correct, the Tester emits a double beep, displays ---- and the four-key
password must be entered again. Repeat step 4.
7. Press the four keys of the new password.
8. Press the blue key to store the new password.

Restore the Default Password

If you forget the calibration password, restore the default password (1234) with these steps:
To prevent electrical shock or personal injury, remove the test leads and any input
signal before you remove the bottom case of the Tester.
1. Remove the back case from the DUT. Leave the PCA in the top case.
2. Apply 6.0 V across the battery contact pads (J8) + and − on the PCA. See
3. Short across the Cal keypad (S8) on the back of the PCA. See
4. Turn the rotary knob from OFF to V. The DUT will beep and display CAL. The default
password is now restored.
5. Remove the 6.0 V supply, turn the rotary switch to OFF, and install the back case on the
DUT.
L = 2 C = 3
XWWarning
Insulation Testers
Calibration Adjustment
T = 4
Figure
Figure 6.
6.
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