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Live circuit warning - operates when connected to Live circuits > 25V. Testing is still permitted.
Test Inhibited - Live circuits greater than 50V will inhibit testing.
6.3 Measurement methods and sources of error
Method of measurement
The selected dc test voltage (current limited to less than 2mA d.c).is applied to the circuit under test and the resistance is calculated from
measurements of the resulting voltage and current.
Capacitive circuits can take some time to charge. This is displayed as an increasing voltage that takes longer to reach its maximum than
normal.
The reading is stable with a circuit capacitance less than 5 µF.
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