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UT581/582 INSTRUCTION MANUAL
• Rapid Connecting Test ×5 (10,20,30mA only): Maximum
Measuring Time 1000ms
• Rapid Connecting Test 250 mA: Maximum Measuring
Time1000ms(UT581 only)
• AUTO RAMP TEST Auto Ramp Test(UT582 only).
20%~110% Default nominal residual
currents(I
△
n
).
Maximum measuring time 300ms×10.
5.4.2 Press TEST(Measure)button
• Disconnecting Test Breaker should not be connected.
•Connecting Test Breaker should be connected.
•Fast Connecting Test Breaker should be connected.
•250mA Fast Test Breaker should be connected.
(UT581 only)
•AUTO RAMP TEST Breaker should be connected; can
display the connected current and time
in sync. (UT582 only)
