TB 9-6625-2352-35
Table 15e. Triplett, Model 630PL Dc Current
Dc Current
Test instrument
Calibrator
Test instrument
Indication
Initial output
err indication
(%)
Adjustments
Dc current range
(A)
(A)
100 A
100 A
100 A
3
10 mA
10 mA
10 mA
3
100 mA
100 mA
100 mA
3
None
1 A
1 A
1 A
3
10 A
10 A
10 A
3
Table 16a. Triplett, Model 666R Specifications
Test instrument parameter
Performance specification
Dc voltage
Range: 0 to 1000 V; 1000 to 5000 V
Accuracy:
3% of FS, 4% of FS on 5000 V range
Ac voltage
Range: 0 to 1000 V; 1000 to 5000 V
4% of FS, 5% of FS on 5000 V range
Accuracy:
Range: 0 to 3 MΩ
3% of arc length (1.5 div on dc scale)
Accuracy:
Dc current
Range: 0 to 1 A
Accuracy:
3% of FS
Table 16b. Triplett, Model 666R Dc Voltage
Dc Voltage
Test instrument
Calibrator output
Test instrument
Dc volts
Indication
Initial
Limits
range
(V)
output (V)
Min
Max
Adjustments
10
10
10
9.7
10.3
10
6
6
5.7
6.3
10
2
2
1.7
2.3
50
50
50
48.5
51.5
None
250
250
250
242.5
257.5
1000
1000
1000
970
1030
50001
5000 (900)
5000 (900)
4800 (700)
5200 (1100)
Replace calibrator with power supply and move positive lead to TI 5000 V input. Calibrate at 900 V if power supply is not
1
available. After 5000 V check is complete, reduce output to minimum, replace power supply with calibrator and move positive
lead to TI V-Ω-A input.
Table 16c. Triplett, Model 666R Ac Voltage
Ac Voltage
Test instrument
Calibrator
Test instrument
Ac volts
Indication
Initial output
err indication
range
(V)
(V)
(Hz)
(%)
Adjustments
10
10
10
60
4
50
50
50
60
4
250
250
250
60
4
None
1000
1000
1000
60
4
5000
800
800
60
31.25
1
Reduce output to minimum and move positive lead to TI 5000 V AC input. After 5000 V check is complete, reduce output to
1
minimum and move positive lead to TI V-Ω-A input.
30