UNI-T UT525, Operating Manual

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8
UT525/526 Operating Manual
III. Specifications
Error limit: ±(a% r digits), one year of warranty period
Environment temperature: 23±5
℃
Environment humidity: 45-75%RH
UT525/UT526 RCD testing index es
RCD testing current 10mA 30mA 100mA 300mA
Applied voltage Voltage: 220V±10%, frequency: 45Hz-65Hz
Accuracy tolerance
RCD testing current accuracy tolerance with AC (220V±2): (0+10%)
Testing time
range when
switch of
RCD is off
Accuracy tolerance ±(5%+2)
(10mA) range: 0-2,000mS
(30mA) range: 0-500mS
(100mA) range: 0-300mS
(300mA) range: 0-300mS