TB 9-6625-2352-35
Table 14b. Triplett, Model 630NA Dc Voltage
Dc Voltage
Test instrument
Calibrator output
Test instrument
Dc volts
Indication
Initial
Limits
range
(V)
output (V)
Min
Max
Adjustments
.6
.6
.6
.591
.609
3
3
3
2.955
3.045
3
2
2
1.955
2.045
3
1
1
0.955
1.045
12
12
12
11.82
12.18
None
60
60
60
59.1
60.9
300
300
300
295.5
304.5
1200
1200 (1000)
1200 (1000)
1182 (982)
1218 (1018)
1
60002
6000 (900)
6000 (900)
5820 (720)
6180 (1080)
Replace calibrator with power supply. Calibrate at 1000 V if power supply is not available.
1
Reduce output to minimum and move positive lead to TI 6000 V DC input. Calibrate at 900 V 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.
Table 14c. Triplett, Model 630NA Ac Voltage
Ac Voltage
Test instrument
Calibrator
Test instrument
Ac volts
Indication
Initial output
err indication
Adjustments
range
(V)
(V)
(Hz)
(%)
3
3
3
60
3
----
3
3
3
20 k
8
C3 (R)
12
12
12
60
3
----
60
60
60
60
3
----
300
300
300
60
3
----
1200
1000
1000
60
3.6
----
60001
800
800
60
30
----
Reduce output to minimum and move positive lead to TI 6000 V AC input. After 6000 V check is complete, reduce output to
1
minimum and move positive lead to TI V-Ω-A input.
Resistance
Test instrument
Test instrument
(Ω)
Indications
Resistance
ohms scale
range
Min
Max
Adjustments
(Ω)
1
X1
4
3.7
4.4
X10
40
37
44
X100
400
370
440
None
X1K
4 k
3700
4400
X10K
40 k
37 k
44 k
X100K
400 k
370 k
440 k
Short leads and adjust OHMS ADJ for a 0 indication on ohms scale. Repeat for each range.
1
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