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525B
Users Manual
6-2
To check or replace a fuse:
1. Disconnect line power.
2. Using the blade of a standard screwdriver, pry the tab at the base of the line
fuse compartment. The compartment cover will pop part way out.
3. Remove the compartment cover. The fuses come out with the compartment
cover and can easily be checked or replaced.
4. To reinstall the fuse, push the compartment cover back into the compartment
until the tab locks in place.
Note
When changing the line voltage setting, you will need to verify that
the appropriate line fuse is installed in the Calibrator. Replace the
fuse as required.
Table 6-1. Replacement Fuses
Part Number Fuse Description Line Voltage Setting
1645311 0.25 A/250 V fast 120 V (90 V to 132 V)
1645327 0.125 A/250 V fast 240 V (198 V to 264 V)
Changing Line Voltage
The Calibrator arrives from the factory configured for the line voltage appropriate
for the country of purchase or as specified when it is ordered. To verify the line
voltage setting, check the line voltage indicator on the power line fuse
compartment cover.
Note
Confirm that the line voltage selection is set for 120 V for line
voltages between 90 V and 132 V or that the selector is set to 240 V
for line voltages between 198 V and 264 V.
To change the line voltage:
1. Disconnect line power.
2. Using the blade of a standard screwdriver, pry the tab at the base of the line
fuse compartment. The compartment cover will pop part way out.
3. Remove the compartment cover.
4. Remove the line voltage selector assembly by gripping the line voltage
indicator tab with pliers and pulling it straight out of the compartment.
5. Rotate the line voltage selector assembly to the desired voltage and reinsert.
1.888.610.7664 sales@GlobalTestSupply.com
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