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Model UT511: OPERATING MANUAL
Detailed Accuracy Specifications
Accuracy: ([% of reading] + [number of least significant digits), guarantee for 1 year.
Operating temperature: 18
~28
Relative humidity: 45~75%RH
A. Voltage Measurement
Measurement Range
Resolution
Accuracy
DC Voltage
30 ~ 1000V
AC Voltage
30V~750V (50/60Hz)
1V
(2%+3) 30~100V (2%+5) 100~750V (2%+3)
B. Insulation Resistance Measurement
Output Voltage
Display Range
Open Circuit Voltage
Test Current
Short Circuit
Accuracy
100V
0.1M ~99.9M
100~500M
20%,-0%
1mA~1.2mA@100k
250V
0.5M ~99.9M
100~999M
1.00~1.99G
20%, -0%
1mA~1.2mA@250k
500V
1M ~99.9M
100~999M
1.00~3.99G
DC 500V + 20%, -0%
1mA~1.2mA@500k
1000V
2M ~99.9M
100~999M
1.00~10.00G
D 20%, -0%
1mA~1.2mA@1M
Around 2.0mA
100k to 100M : (3%+5) 100M above: (5%+5)