TB 9-6625-2354-35
Table 4a. Simpson, Model 160 Specifications
Test instrument parameters
Performance specifications
Dc voltage
Range: 0 to 1000 V
2% of FS
Accuracy:
Ac voltage
Range: 0 to 1000 V
3% of FS
Accuracy:
Range: 0 to 20 MΩ
3 of arc
Accuracy:
Dc current
Range: 0 to 500 mA
3% of FS
Accuracy:
Table 4b. Simpson, Model 160 Dc Volts
Dc Voltage
Test instrument
Calibrator
Test instrument
Indication
Initial output
err indication
Dc volts range
(V)
(V)
(%)
Adjustments
1
1
1
2
1
2.5
2.5
2.5
2
10
10
10
2
25
25
25
2
50
50
50
2
None
100
100
100
2
250
250
250
2
500
500
500
2
1000
1000
1000
2
2
Connect positive lead to TI +1V DC input. After 1V check is complete, reduce output to minimum and move positive lead
1
back to TI + input.
2 Reduce output to minimum and move positive lead from TI + input to TI 1000V DC input. After 1000V check is complete,
reduce output to minimum and move positive lead back to TI + input.
Table 4c. Simpson, Model 160 Ac Volts
Ac Voltage
Test instrument
Calibrator
Test instrument
Ac volts
Indication
Initial output
err indication
Adjustments
range
(V)
(V)
(Hz)
(%)
2.5
2.5
2.5
60
3
R4
10
10
10
60
3
----
25
25
25
60
3
----
50
50
50
60
3
----
100
100
100
60
3
----
250
250
250
60
3
R3
500
500
500
60
3
----
1000
1000
1000
60
3
----
1
Reduce output to minimum and move positive lead from TI + input to TI 1000V AC input. After 1000V check is complete,
1
reduce output to minimum and move positive lead back to TI + input.
7