Measurements; Connect To The Circuit Under Test - Fluke 1550C Mode D'emploi

1550C/1555
Users Manual
Shield

Measurements

Common measurement procedures are discussed in this section.

Connect to the Circuit Under Test

To avoid possible electric shock or personal injury:
•
Remove all power from the circuit under test and
discharge circuit capacitance before testing a
circuit with the Tester.
•
Connect the common test lead before the live test
lead and remove the live test lead before the
common test lead.
•
Before and after testing, confirm that the Tester
does not indicate the presence of a hazardous
voltage, see Figure 4. If the Tester beeps
continuously and a hazardous voltage is shown
on the display, remove power from the circuit
under test and disconnect test leads.
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Figure 8. Improved Guard Terminal Connection
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