1630
Earth Ground Clamp
4
Ground Leakage Current A
Autorange 50/60 Hz, True rms, crest factor (CF) < 3.5
Range
Accuracy
0.200 to 4.000 A
± 2.0 % rdg ± 0.03 A
4.00 to 35.00 A
± 2.0 % rdg ± 0.03 A
Maintenance
XWWarning
To avoid possible electric shock or personal injury, only
qualified personnel should perform repairs or servicing not
covered in this manual.
Cleaning the Clamp
WCaution
To avoid damaging the Clamp, do not use aromatic
hydrocarbons or chlorinated solvents for cleaning. These
solutions will react with the plastics used in the Clamp.
Clean the instrument case with a damp cloth and mild detergent.
Replacing the Battery
XWWarning
To avoid false readings that could lead to possible electric
shock or personal injury, replace the batteries as soon as the
low battery indicator (
B) appears.
To replace the battery:
1. Turn the rotary switch to OFF.
2. Use a Phillips screwdriver to remove the bottom case screws.
3. Lift and remove the bottom case.
4. Remove the old battery.
5. Replace the battery with a new 9-volt battery.
6. Install the bottom case and tighten the screws.
Performance Tests
XWWarning
To avoid possible electric shock, ensure the Clamp is
completely assembled before performing any test procedures.
Only qualified personnel should perform these tests.
The following performance tests verify the complete operation of the Clamp and check the
accuracy of each function against its specifications. Before performing any of the following tests,
check the battery and replace if necessary.
The recommended calibration interval is 12 months. In the performance tests, the Clamp is
referred to as the unit under test (UUT). If the UUT fails any performance test, contact Fluke
Service for repair. See Contacting Fluke.
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