150X Series
Calibration Manual
The following tables can be used to determine the maximum or minimum display values considering maximum instrument
operating error per EN61557-1, 5.2.4.
Insulation Resistance Maximum and Minimum Display Values (Models 1503 and 1507)
Limit
Value
0.05
0.06
0.07
0.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
20.0
30.0
40.0
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50 V
100 V
Minimum
Minimum
Limit
Display
Display
Value
Value
Value
0.07
0.05
0.07
0.08
0.06
0.08
0.09
0.07
0.09
0.10
0.08
0.10
0.12
0.09
0.12
0.13
0.1
0.13
0.26
0.2
0.26
0.39
0.3
0.39
0.52
0.4
0.52
0.65
0.5
0.65
0.78
0.6
0.78
0.91
0.7
0.91
1.04
0.8
1.04
1.17
0.9
1.17
1.30
1.0
1.30
2.60
2.0
2.60
3.90
3.0
3.90
5.20
4.0
5.20
6.50
5.0
6.50
7.80
6.0
7.80
9.10
7.0
9.10
10.40
8.0
10.40
11.70
9.0
11.70
13.0
10.0
13.0
26.0
20.0
26.0
39.0
30.0
39.0
52.0
40.0
52.0
50.0
65.0
60.0
78.0
70.0
91.0
80.0
104.0
250 V
500 V
Minimum
Limit
Limit
Display
Value
Value
Value
0.05
0.07
0.05
0.06
0.08
0.06
0.07
0.09
0.07
0.08
0.10
0.08
0.09
0.12
0.09
0.1
0.13
0.1
0.2
0.26
0.2
0.3
0.39
0.3
0.4
0.52
0.4
0.5
0.65
0.5
0.6
0.78
0.6
0.7
0.91
0.7
0.8
1.04
0.8
0.9
1.17
0.9
1.0
1.30
1.0
2.0
2.60
2.0
3.0
3.90
3.0
4.0
5.20
4.0
5.0
6.50
5.0
6.0
7.80
6.0
7.0
9.10
7.0
8.0
10.40
8.0
9.0
11.70
9.0
10.0
13.0
10.0
20.0
26.0
20.0
30.0
39.0
30.0
40.0
52.0
40.0
50.0
65.0
50.0
60.0
78.0
60.0
70.0
91.0
70.0
80.0
104.0
80.0
1000 V
Minimum
Minimum
Limit
Display
Display
Value
Value
Value
0.07
0.08
0.09
0.10
0.12
0.13
0.1
0.1
0.26
0.2
0.3
0.39
0.3
0.4
0.52
0.4
0.5
0.65
0.5
0.7
0.78
0.6
0.8
0.91
0.7
0.9
1.04
0.8
1.0
1.17
0.9
1.2
1.30
1.0
1.3
2.60
2.0
2.6
3.90
3.0
3.9
5.20
4.0
5.2
6.50
5.0
6.5
7.80
6.0
7.8
9.10
7.0
9.1
10.40
8.0
10.4
11.70
9.0
11.7
13.0
10.0
13.0
26.0
20.0
26.0
39.0
30.0
39.0
52.0
40.0
53.0
65.0
50.0
65.0
78.0
60.0
78.0
91.0
70.0
91.0
104.0
80.0
104.0