Insulation Resistance Maximum and Minimum Display Values (cont.)
Limit
Value
Earth-Bond Resistance Maximum Display Values (Models 1503 and 1507)
Limit Value
Basic Maintenance
Cleaning
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50 V
100 V
Minimum
Minimum
Limit
Display
Display
Value
Value
Value
90.0
117.0
Maximum
Display Value
0.4
0.28
0.5
0.35
0.6
0.42
0.7
0.49
0.8
0.56
0.9
0.63
1.0
0.7
2.0
1.4
3.0
2.1
4.0
2.8
5.0
3.5
6.0
4.2
This basic maintenance section of the manual contains tests and procedures that require
no equipment other than the Meter and some consumables such as fuses and batteries.
Also, internal access is limited to the battery and fuse compartment.
When cleaning is necessary, wipe the Meter with a damp cloth and mild detergent. Do
not use abrasives or solvents. Dirt of moisture on the terminals can affect readings.
250 V
Minimum
Limit
Limit
Display
Value
Value
Value
90.0
117.0
90.0
100.0
130.0
100.0
200.0
300.0
400.0
Maximum
Limit Value
Display Value
7.0
4.9
8.0
5.6
9.0
6.3
10.0
7.0
20.0
14.0
30.0
21.0
40.0
28.0
50.0
35.0
60.0
42.0
70.0
49.0
80.0
56.0
90.0
63.0
Insulation Testers
Basic Maintenance
500 V
1000 V
Minimum
Minimum
Limit
Display
Display
Value
Value
Value
117.0
90.0
117.0
130.0
100.0
130.0
260.0
200.0
260.0
390.0
300.0
390.0
520.0
400.0
520.0
500.0
650.0
600.0
780.0
700.0
910.0
800.0
1040.0
900.0
1170.0
1000.0
1300.0
2000.0
2600.0
Maximum
Limit Value
Display Value
100.0
70.0
200.0
140.0
300.0
210.0
400.0
280.0
500.0
350.0
600.0
420.0
700.0
490.0
800.0
560.0
900.0
630.0
1000.0
700.0
2000.0
1400.0
7