Testing The Batteries; Replacing The Batteries And/Or Fuse - Fluke 150 Series Calibration Manual

150X Series
Calibration Manual

Testing the Batteries

Replacing the Batteries and/or Fuse

8
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To avoid electrical shock or personal injury, replace the
batteries as soon as the battery indicator (B) appears. A weak
battery can cause false readings.
The Meter continuously monitors battery voltage. If the low battery icon (B) appears
on the display, there is minimal battery life left. Prior to performing the performance tests
check the batteries, and replace if necessary.
The following procedure tests the batteries under load:
1. Turn the rotary switch to the b position with no probes inserted.
2. Press the blue key to initiate the fully loaded battery test. The voltage function
display clears and the measured battery voltage is shown in the primary display
for 2 seconds, the voltage display then returns. The displayed voltage should be
within 5.5 to 6.2 V. If voltage is lower than 5.2 V, replace the batteries and repeat
the test.
Replace the fuse and batteries as shown in Figure 1. Follow the steps below to replace the
batteries.
To avoid shock, injury, or damage to the Meter:
•
To avoid false readings, which could lead to possible
electric shock or personal injury, replace the batteries as
soon as the battery indicator (B) appears.
•
Use ONLY fuses with the amperage, interrupt, voltage,
and speed ratings specified.
•
Turn the rotary switch to OFF and remove the test leads
from the terminals.
1. Remove the yellow boot from the Meter. Use the thumb-hole to press on the rear
of the Meter and peel the boot from the Meter.
2. Remove the battery door by using a standard screwdriver to turn the battery door
lock until the unlock symbol aligns with the arrow.
3. Lift the bottom of the battery door away from the Meter to access the fuse and
battery compartment.
4. Remove and replace the batteries and or fuse as shown in Figure 1.
5. Replace the battery door and secure by turning the battery door lock until the
lock symbol (L)aligns with the arrow.
6. Position the bottom of the Meter in the bottom of the boot, and press the top of
the Meter firmly into the boot.
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