- 9 -
Required Equipment
Required equipment is listed in Table B. If the recommended models
are not available, equipment with equivalent specifications may be
used.
Repairs or servicing should be performed only by qualified personnel.
Table 2-1
Equipment
Required Characteristics
Recommended Model
Calibrator
AC Voltage Range:
0 - 600 V
Frequency Range: 50 Hz - 500 Hz
Accuracy: +/- 0.1%(Basic)
DC Voltage:
0 - 600 V
Accuracy: +/-0.1%(Basic)
DC Current:
0-400mA
Accuracy: +/-0.1%(Basic)
Fluke 5700 or Wavetek
9100 Calibrator
DMM
DC Voltage:
0 - 1000 V
Accuracy: +/-0.5%(Basic)
DC Current:
0-400mA
Accuracy: +/-0.5%(Basic)
High voltage
Divider
DC Voltage Range:
1 kV -5 kV
Accuracy: 1%
Division Ratio:
1000:1
Input resistance
:
1000 M
Ω
Fluke 80k-6
High voltage
Resistor
(>1kV)
Suggest the insulation tester
to use physical high voltage
resistors at
±
5% tolerance
as listed
:
50k
Ω
, 100k
Ω
,
250k
Ω
, 500k
Ω
, 1M
Ω
, 40M
Ω
, 400M
Ω
, 4G
Ω
, 18G
Ω
To verify the actual
resistance value by Fluke
8508. Then, use the actual
value to calibrate the
insulation meter.
Resistor
Suggest the insulation tester
to use physical high voltage
resistors at
±
1% tolerance
as listed
:
2
Ω
(0.5W),36
Ω
,360
Ω
,3.6k
Ω
,36k
Ω
Same as above