TB 9-6625-2352-35
Table 12e. Triplett, Model 310 Dc Current
Calibration Performance Limits and Adjustments
Dc Current
Test instrument
Calibrator
Test instrument
Indication
Initial output
err indication
Dc current range
(mA)
(mA)
(%)
Adjustments
.6
.6
.6
3
6
6
6
3
None
60
60
60
3
600
600
600
3
Table 13a. Triplett, Model 630 Specifications
Test instrument parameter
Performance specification1
Dc voltage
Range: 0 to 6000 V
3% of FS for SN 208038 and below, (5%
Accuracy:
of
FS on 6000 V range);
2% of FS for SN 208039 and above or no
SN,
(4% of FS on 6000 V range)
Ac voltage
Range: 0 to 6000 V
4% of FS for SN 208038 and below, (5%
Accuracy:
of
FS on 6000 V range);
3% of FS for SN 208039 and above or no
SN,
(4% of FS on 6000 V range)
Range: 0 to 100 MΩ
3% of scale length for SN 208038 and
Accuracy:
below
2% of scale length for SN 208039 and
above
or no SN
Dc current
Range: 0 to 12 A
3% of FS for SN 208038 and below,
Accuracy:
2% of FS for SN 208039 and above or no
SN
Indications in parentheses are for models 630, SN 20839 and above, and for models with no SN.
1
Table 13b. Triplett, Model 630 Dc Voltage
Calibration Performance Limits and Adjustments
Dc Voltage
Test instrument
Calibrator output
Test instrument
Dc volts
Indication
Initial
Limits1
range
(V)
output (V)
Min
Max
Adjustments
3
3
3
2.91 (2.94)
3.09 (3.06)
12
12
12
11.64 (11.76)
12.36 (12.24)
12
8
8
7.64 (7.76)
8.36 (8.24)
12
4
4
3.64 (3.76)
4.36 (4.24)
None
60
60
60
58.2 (58.8)
61.8 (61.2)
300
300
300
291
(294)
309
(306)
60002
6000
6000
5700
(5760) 6300
(6240)
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 DC input. Calibrate at 800 V with limits of 500 (560) and 1100 (1040) if power supply is not
2
available. After 6000 V check is complete, reduce output to minimum, replace power supply with calibrator and move positive
lead to TI V-Ω-A input.
25