Brymen BM885 User Manual page 23

Record mode
This mode records standard measurement Max and Min readings on most functions,
Manual or Auto-ranging where available.
Nominal response and accuracy: Same as standard measurements
Insulation Resistance
Test Voltage 1)
50V
100V
250V
500V
1000V
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
Specified measuring range is 0.020M ... 25.0G for percentage operating
uncertainty B[%]  ±30% per IEC/EN61557-2 requirements
Range
3.000M, 30.00M, 55.0M
3.000M, 30.00M, 110.0M
3.000M, 30.00M, 275.0M
3.000M, 30.00M, 300.0M,
550.0M
3.000M, 30.00M, 300.0M
3000M
25.0G
Test Current
1mA @50k
1mA @100k
1mA @250k
1mA @500k
1mA @1M
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Accuracy
1.5%+5d
1.5%+5d
2.0%+5d
10%+5d