Accuracy In Variable Mode; Measurement Of The Test Voltage After A Capacitive; Insulation Measurement; Calculation Of Terms Dar And Pi - AEMC 6505 User Manual

Test
Voltage
(10 to 999) kΩ
Range
(1.000 to 3.999) MΩ
Resolution
Accuracy
Test
Voltage
(4.00 to
Range
39.99) GΩ
Resolution 10 MΩ
Accuracy ±5 % of Reading + 3 cts

4.3.1 Accuracy in Variable Mode

R measured = Un / 250 pA
Test
(40 to 160) V (170 to 510) V (520 to 1500) V (1600 to 5100) V
Voltage
R measured
min
R measured
max
To obtain the accuracy in variable voltage mode, calculate using the fixed
voltages above.

4.3.2 Measurement of the Test Voltage after a Capacitive

Insulation Measurement

Measurement Range

4.3.3 Calculation of Terms DAR and PI

Megohmmeter Model 6505 - User Manual
500 V - 1000 V - 2500 V - 5000 V
1 kΩ
±5 % of Reading + 3 cts
500 V - 1000 V - 2500 V - 5000 V
(40.0 to
399.9) GΩ
100 MΩ
10 kΩ
(160.0 to 640.0 GΩ to
640.0) GΩ 2.040 TΩ
Resolution
Accuracy
Specified Range
Resolution
Accuracy
(4.00 to (40.0 to
39.99) MΩ 399.9) MΩ
10 kΩ 100 kΩ
(0.400 to
1.999) TΩ
±15 % of Reading + 10 cts
10 kΩ
(2.080 to
6.000) TΩ
25 to 5000 V
0.2 % Un or 1 ct
5 % of Reading ± 3 cts
0.02 to 50.00
5 % of Reading ± 1ct
(0.400 to
3.999) GΩ
1 MΩ
1000 V
2500 V
5000 V
(2.000 to
3.999) TΩ
1 GΩ
10 kΩ
(6.400 to 10.00)
0.01
2500 V
5000 V
(4.00 to
9.99) TΩ
10 GΩ
10 kΩ
TΩ
21