UNI-T UT525, Operating Manual

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UT525/526 Operating Manual
V. Function of Keys and Dial Plate
1.
I/VOLT is RCD current testing range selection and voltage testing switch key;
2. ANG/ZERO is RCD testing angle switch key and return-to-zero key before
starting earth testing;
3. TEST is test key;
4. When dial plate points to Continuly, enter earth test;
5. When dial plate points to RCD/V, enter RCD testing and AC and DC voltage
testing;
6. When dial plate points to UT525 output voltage: 100V/250V/500V or UT526
output voltage: 250V/500V/1,000V (select the demanded output voltage)
respectively, enter insulation resistance testing;
VI. Testing Preparation
When turning on the instrument, if the battery sign on the left of LCD shows
low voltage, it means the battery is almost used up and needs to be replaced.
Low voltage display sign Voltage of battery
7V or less