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UT581/582 INSTRUCTION MANUAL
5.3 Press I△n button switch, it causes RCD breakers for the nominal
residual currents (I△n) as the previous trip current in constant
Below LCD display the default connecting current value.
Default Value: I△n 30mA
0°/180° 0°
5.4 Measuring Methods
5.4.1Setting Index For Measurement
• Disconnecting Test ×1/2: Maximum Measuring Time 1000ms
• Connecting Test ×1: Maximum Measuring Time 1000ms
( Except 500mA)
• Connecting Test ×1 (500mA): Maximum Measuring Time
300ms
Danger
● If the connecting measurement is incorrect, please don’t proceed the
next measurement (press TEST button). Otherwise, it causes
measuring result incorrect or in other dangerous.
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