Cleaning; Performance Tests; Setup - Fluke 76 Service

76
Service

Cleaning

To avoid damaging the meter, do not use aromatic
hydrocarbons or chlorinated solvents for cleaning. These
solutions will react with the plastics used in the instruments.
Do not allow the LCD to get wet. Remove the display assembly
before washing the pca and do not reinstall it until the pca is
completely dry.
Do not use detergent of any kind for cleaning the pca.
Do not remove lubricants from the switch when cleaning the
pca.
Clean the instrument case with a mild detergent and water.
The pca may be washed with isopropyl alcohol or deionized water and a soft brush.
Remove the display assembly and fuses before washing, and avoid washing the switch if
possible. Dry the pca with clean dry air at low pressure, then bake it at 50 C for 24 hours.

Performance Tests

Performance tests are recommended for incoming inspection, periodic maintenance, and
for verifying the specifications in the Users Manual. If the instrument fails any part of the
test, calibration and/or repair is indicated.
In the performance tests, the Fluke 76 meter is referred to as the unit under test (UUT).

Setup

1. Allow the UUT to stabilize to room temperature 23 C 5 C (73 F
2. Check the fuses and battery, and replace them if necessary. (Refer to the battery and
To prevent fire, install fuses in accordance with the rating
shown on the back of the meter.
Connect the ground/common/low side of the DC calibrator to
common on the UUT.
3-8
fuse replacement procedures in this section.)
Caution
Warning
Warning
3-10.
3-11.
3-12.
9 F).