Open Circuit Voltage Test; Calibration Adjustment; Calibration Adjustment Counter; Calibration Adjustment Password - Fluke 150 Series Calibration Manual

Open Circuit Voltage Test

Calibration Adjustment

Calibration Adjustment Counter

Calibration Adjustment Password

Changing the Password

Downloaded from Elcodis.com electronic components distributor
The following test confirms that the open circuit voltage is within limits.
1. Connect a DMM directly to the UUT
2. Set the DMM rotary function switch to the VDC function.
3. Set the UUT rotary function switch to the
4. Press T and verify that the DMM reading is >4.0 V but <8.0 V.
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 function keys that are used during
the calibration adjustment procedure. Perform the calibration adjustment procedure
should the Meter fail any performance test listed earlier in this manual.
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 L, turn the rotary function switch from OFF to V. The
Meter displays CAL.
2. Press the blue key A once to see the calibration counter. For example n003.
3. Turn the rotary function switch to OFF
Enter the correct four key password to start the calibration adjustment procedure. The
password can be changed or reset to the default as described in following paragraphs. The
default password is1234.
Use the following steps to change the Meter's password:
1. While holding down L, turn the rotary function switch from OFF to V. The
Meter 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 Meter displays ----.
4. The Meter's keys represent the digits indicated below when entering or changing
the password:
Blue Key = 1
5. Press the four keys to enter the old password. If changing the password for the
first time, press the blue key (1), L (2), H (3), T (4).
Ω terminals observing correct polarity.
Ω function.
L = 2 H = 3
Insulation Testers
Calibration Adjustment
T = 4
27