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DIGITAL + ANALOGUE HIGH VOLTAGE INSULATION TESTER
OPERATOR’S MANUAL
OPERATING INSTRUCTION
4.2.2 Use the screwdriver to adjust the zero corrector in the middle of the panel, make the needle to the left
point “” of the green scale.
4.3 BATTERY CHECK
4.3.1 Set the function switch to “BATT.” position.
4.3.2 Press the measure button, the battery is good if the pointer is in the scale of “BATT.OK”; if it is not in
the scale , the battery is exhausted and should be replaced in time, otherwise, it will effect the
measuring accuracy of the insulated resistance, or leak the liquid and then cause damage to the
meter.
ATTENTION
While check battery, do not lock the measure button or press for long time to avoid excessive power
consumption (the output current of which is about 150mA).
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