TB 9-6625-2352-35
Table 13c. Triplett, Model 630 Ac Voltage
Calibration Performance Limits and Adjustments
Ac Voltage
Test instrument
Calibrator
Test instrument
Ac volts
Indication
Initial output
err indication1
(%)
Adjustments
range
(V)
(V)
(Hz)
3
3
3
60
4 (3)
12
12
12
60
4 (3)
60
60
60
60
4 (3)
300
300
300
60
4 (3)
None
1200
1000
1000
60
4.8 (3.6)
6000
800
800
60
37.5 (30)
2
Indications in parentheses are for models 630, SN 20839 and above, and for models with no SN.
1
Move positive lead to TI 6000 V AC input. After 6000 V check is complete, reduce output to minimum and move positive lead
2
to TI V-Ω-A input.
Table 13d. Triplett, Model 630 Resistance
Calibration Performance Limits and Adjustments
Resistance
Resistance standard indications1
Test instrument
(Ω)
Test instrument
Indications
Resistance
ohms scale
Min
Max
Adjustments
(Ω)
range
2
X1
4.4
3.88 (4.0)
4.90 (4.6)
X10
44
38.8 (40)
49.0
(46)
None
X1000
4.4 k
3880
(4000)
4900
(4600)
X100000
440 k
388 k (400 k)
490 k (460 k)
Indications in parentheses are for models 630, SN 20839 and above, and for models with no SN.
1
2 Short
leads and adjust OHMS ADJ for a 0 indication on ohms scale. Repeat for each range.
Table 13e. Triplett, Model 630 Dc Current
Calibration Performance Limits and Adjustments
Dc Current
Test instrument
Calibrator
Test instrument
Indication
Initial output
err indication1
Dc current range
(A)
(A)
(%)
Adjustments
60
A
60
A
60
A
3 (2)
1.2 mA
1.2 mA
1.2 mA
3 (2)
12 mA
12 mA
12 mA
3 (2)
None
120 mA
120 mA
120 mA
3 (2)
12 A
10 A
10 A
3.6 (2.4)
Indications in parentheses are for models 630, SN 20839 and above, and for models with no SN.
1
Table 14a. Triplett, Model 630NA Specifications
Test instrument parameter
Performance specification
Dc voltage
Range: 0 to 6000 V
1.5% of FS, 3% of FS on 6000 V range
Accuracy:
Ac voltage
Range: 0 to 6000 V
3% of FS, 4% of FS on 6000 V range
Accuracy:
Resistance
Range: 0 to 100 MΩ
1.5% of scale length
Accuracy:
Dc current
Range: 0 to 12 A
1.5% of FS
Accuracy:
26
