Chauvin Arnoux C.A 6549 Bedienungsanleitung Seite 106

 Precision and resistance range in variable- / adjustable- voltage mode
Max. resistance measured = test voltage / 250 pA
Test voltage
Min. measured resistance
Max. measured resistance
Note: the precision in variable mode must be interpolated from the precision tables provided for fi xed
test voltages.
 Measurement of DC voltage during insulation test
Specifi ed measurement range
Resolution
Accuracy
During the measurement, the maximum acceptable voltage on the terminals is (AC or DC):
U peak = U nominal * (1.1 + dlSt) where dlSt = 3%, 10% or 20%
 Measurement of DC voltage during discharge phase of an insulation test
Specifi ed measurement range
Resolution
Accuracy
 Typical curves, test voltage versus load
V
600
500
400
300
200
100
0
0,01
40 ... 160 V 170 ... 510 V
10 k  30 k 
160.0 G  ... 640.0 G  ...
640.0 G  2.040 T 
40.0 ... 99.9 V 100 ... 1500 V
0.1 V
25 ... 5100 V
0.2% Un
5% + 3 ct
Range 500 V
0,1
106
520 ... 1500 V 1600 ... 5100 V
100 k  300 k 
2.080 T  ... 6.40 T  ...
6.00 T  10.00 T 
1501 ... 5100 V
1 V 2 V
1%
M 
1