TB 9-6625-2352-35
Table 12b. Triplett, Model 310 Dc Voltage
Calibration Performance Limits and Adjustments
Dc Voltage
Test instrument
Calibrator output
Test instrument
Dc volts
Indication
Initial
Limits
range
(V)
output (V)
Min
Max
Adjustments
3
3
3
2.91
3.09
3
2
2
1.91
2.09
3
1
1
0.91
1.09
12
12
12
11.64
12.36
None
60
60
60
58.2
61.8
300
300
300
291
309
1200
1200 (1000)
1200 (1000)
1164 (964)
1236 (1036)
1
Replace calibrator with power supply. Move positive lead to TI 1200 V DC input. Calibrate at 1000 V if power supply not
1
available. After 1200 V check is complete, reduce output to minimum, replace power supply with calibrator and move positive
lead to TI V-Ω-M input.
Table 12c. Triplett, Model 310 Ac Voltage
Calibration Performance Limits and Adjustments
Ac Voltage
Test instrument
Calibrator
Test instrument
Ac volts
Indication
Initial output
err indication
range
(V)
(V)
(Hz)
(%)
Adjustments
3
3
3
60
4
12
12
12
60
4
60
60
60
60
4
None
300
300
300
60
4
1200
1000
1000
60
4.8
1
Reduce output to minimum and move positive lead from TI V-Ω-M input to TI 1200 V AC input. After 1200 V check is
1
complete, reduce output to minimum and move positive lead to TI V-Ω-M input.
Table 12d. Triplett, Model 310 Resistance
Calibration Performance Limits and Adjustments
Test instrument
Meter indications
Test instrument
(0 to 300 dc scale)
standard setting
(Ω)
ranges1
Min
Max
Adjustments
200
X1
140
160
2000
X10
140
160
None
20,000
X100
140
160
200,000
X1K
140
160
1 Short leads and adjust OHMS ADJ for 0 indication on ohms scale. Repeat for each range.
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