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Elma BM878
side 56
~ Hz Line Level Frequency
Function RANGE
Sensitivity (Sine RMS)
Range
60mV
1)
6mV
10Hz ~ 50kHz
600mV
1)
60mV
10Hz ~ 100kHz
6V
0.6V
10Hz ~ 20kHz
60V
6V
10Hz ~ 20kHz
600V
60V
10Hz ~ 3kHz
1000V
600V
10Hz ~ 3kHz
VFD 600V
60V ~ 240V
2)
10Hz ~ 440Hz
60mA
1)
6mA
10Hz ~ 5kHz
600mA
1)
60mA
10Hz ~ 5kHz
Accuracy: 0.02%+4d
1)
Model 878 Only
2)
VFD sensitivity linearly decreases from 10% F.S. @ 200Hz to 40% F.S. @ 440Hz
Insulation Resistance
Test Voltage
1)
Range
Test Current
Accuracy
50V
3.000M, 30.00M, 55.0M
1mA @50k
1.5%+5d
100V
3.000M, 30.00M, 110.0M
1mA @100k
250V
3.000M, 30.00M, 275.0M
1mA @250k
500V
3.000M, 30.00M, 300.0M, 550.0M
1mA @500k
1000V
3.000M, 30.00M, 300.0M
1mA @1M
1.5%+5d
3000M
2.0%+5d
25.0G
10%+5d
1)
Actual output voltage: 100% ~ 120% of Test Voltage
Live Circuit Detector: Inhibit test and display voltage reading instead if terminal voltage >
30V prior to initialization of test. Display voltage accuracies:
DCV: 1.5% + 5d
ACV: 3.0% + 5d @50Hz ~ 60Hz (for Models 877 & 876, unspecified @ > 600Vac )
Specified measuring range is 0.020M 25.0G for percentage operating uncertainty
B[%] ±30% per IEC/EN61557-2 requirements
TG: ver. 1, 01072015
56


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