23
24
Fault localization and trouble shooting
Measurement
Item
Normal
measurement
result
Fault
measurement
result
Possible
cause
Trouble
shooting
Check the
circuit and
Install the
GFCI
according
to the
manufacture
requirement
and r
elevant
standard
The GFCI
is
installed
improperly
Fail to be
triggered
within
the
specified time
GFCI
is
triggered
within
the
specified
time
GFCI test
GFCI goes
wrong
Repair or
replace GFCI
Fail to
be triggered
(Invalid test)
General technical index
Display: LCD
Overload: “OL” or “>”
Low battery voltage: “ ”
Time for auto power-off: Power off when the keys
aren't pressed for 30 minutes.
Humidity: <80% Relative humidity (0°C~50°C)
Storage temperature: 0°C~50°C <80%
Relative humidity
Physical dimension: 193mm (L)×78mm(W)×38mm(D)
Power source: Six AAA batteries
Weight: 295g (including batteries)
Accuracy index
Accuracy: ±(% r words), one-year guarantee.
Reference conditions:
Ambient temperature: 18°C-28°C
Relative humidity: no more than 80%
AC conversion is measured with true RMS
Measurement item
Range
Resolution
Accuracy
Phase voltage
85.0-265.0V
Resolution
±(1.0%+ 0.2V)
Peak voltage
Frequency
Voltage drop
Load voltage
Voltage to earth
of zero line
Impedance for
live line, zero line
and earth line
RCD triggering time
RCD
triggering current
GFCI triggering time
GFCI
triggering current
121.0-374.0V
45.0~65.0Hz
0.1%~99.9%
10.0~265.0V
0.0~10.0V
0.00~
3.00Ω
1ms~6.500s
30mA~37mA
1ms~6.500s
6mA~9mA
>
3.00Ω
0.1V
0.1V
0.1Hz
0.1%
0.1V
0.01Ω
1ms
0.1mA
1ms
0.1mA
±(1.0%+ 0.2V)
±(1.0%+ 0.2Hz)
±(2.5%+ 0.2%)
±(2.5%+ 0.2V)
±(2.5%+ 0.2V)
±(2.5%+ 0.02
Ω
)
No ensure the accuracy
±(1.0%+ 2ms)
±(1.0%+ 0.2mA)
±(1.0%+ 2ms)
±(1.0%+ 0.2mA)
