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Accuracy at applied test current
Test current
Accuracy
x1/2
±(1% of r 1 ms)
x1
±(1% of r 1 ms)
x2
±(1% of r 1 ms)
X5
±(1% of r 1 ms)
Voltage and Frequency
Measurement Range
Resolution
Accuracy
80
– 500 V AC/DC
1 V
±(2% of r 2digits)
45
– 65 Hz
1 Hz
±2Hz
Low Ohm
Range
Resolution
Accuracy
Max. open
Circuit Voltage
Overload
Protection
0.000~2.000
Ω
0.001Ω
+(1.5% + 30 dgt)
5.0 V ± 1 VDC
250 Vrms
2.00~20.00
Ω
0.01Ω
+(1.5% + 3 dgt)
20.0~200.0
Ω
0.1Ω
+(1.5% + 3 dgt)
200 ~200
0Ω
1Ω
+(1.5% + 5 dgt)
Earth Resistance
Range
Resolution
Accuracy
0.00~99.99Ω
0.01Ω
+(2% of r 30 digits)
100.0~
999.9Ω
0.1Ω
+(2% of r 6 digits)
1000~2000Ω
1Ω
-53-
Form of the Test Current
Sine waveform (AC), Pulse waveform (DC)
RCD Form
General (G - non-delayed), Selective (S - time-delayed)
Initial Polarity of the Test Current
0°, 180°.
Voltage Range
195V AC - 260V AC (50Hz,60Hz)
Accuracy of the RCD Test Current
± (5% of r 1 digits)
Resolution of the RCD Timing
0.1ms