Frequency Measurement; Insulation Measurement - AEMC Megohmmeters 6522 User Manual

3.2.2 Frequency Measurement

Measurement Range
Resolution
Intrinsic uncertainty

3.2.3 Insulation Measurement

Specific reference condition: Capacitance in parallel on resistance = null
Measurement Ranges per Model
Test Voltage
50V
100V
250V
500V
1000V
Accuracy
Test Voltage
(V )
T
Measurement
Range
Resolution
Accuracy
For all test voltages, when the insulation resistance is ≤ 2GΩ the intrinsic
uncertainty is ± (3% R + 2 ct).
Bar Graph
Measurement Range
Resolution
Intrinsic uncertainty
*When the measurement range is exceeded, the whole bar graph is displayed.
Model 6522
50kΩ to 10GΩ
100kΩ to 20GΩ
200kΩ to 40GΩ
50V - 100V - 250V - 500V - 1000V
10 to 999kΩ
4.00 to
and 1.000 to
39.99MΩ
3.999 MΩ
1kΩ 10kΩ
V
V
T
V
T
V
T
V = 1000V: ± (3% R + 2 ct + 0.1%/GΩ)
T
15.3 to 399.9V
0.1Hz
± (1% R + 2 ct)
40.0 to
399.9MΩ
100kΩ
= 50V: ± (3% R + 2 ct + 2%/GΩ)
T
= 100V: ± (3% R + 2 ct + 1%/GΩ)
= 250V: ± (3% R + 2 ct + 0.4%/GΩ)
= 500V: ± (3% R + 2 ct + 0.2%/GΩ)
0.1MΩ - 200GΩ*
9 segments per decade
± (5% R + 1 segment)
400 to 700V
1Hz
± (1.5% R + 1 ct)
Model 6524
10kΩ to 10GΩ
20kΩ to 20GΩ
50kΩ to 50GΩ
100kΩ to 100GΩ
200kΩ to 200GΩ
400 to 4.00 to
3999MΩ 39.99GΩ
1MΩ 10MΩ
40.0 to
200.0GΩ
100MΩ