TB 9-6625-111-24
Table 4. Ac Voltage Accuracy.
Calibrator output
Test instrument indications
Amplitude
Range
Min
Max
0.0
V
0 Hz
4
V
0.0
0.002
3.5
V
100 Hz
3.410
3.590
3.5
V
1 kHz
3.410
3.590
35
V
1 kHz
40
V
34.10
35.90
350
V
1 kHz
300.0
V
341.0
359.0
500
V
1 kHz
300
V
485.0
515.0
(5) Set calibrator output to minimum.
b. Adjustments. No adjustments can be made.
10. Dc Current
a. Performance Check
(1) Connect calibrator to TI A and COM inputs.
~.
(2) Set rotary switch to A
(3) Set calibrator output for 3.5 A. If TI does not indicate within limits specified in
first row of table 5, perform b below.
(4) Repeat technique of (3) above, using remaining settings and indications listed in
Table 5. Dc Current Accuracy (A).
Calibrator Output
Test instrument
(Dc)
Range
Min
Max
3.5 A
4A
3.460
3.540
10.0 A
10 A
9.88
10.12
b. Adjustments. No adjustments can be made.
11. Ac Current
a. Performance Check
(1) Connect calibrator to TI A and COM inputs.
(2) To access A~, press and hold rotary switch button for 2 seconds.
(3) Set calibrator output for 10 A at 1 kHz. TI will indicate between 9.73 and
10.72 A ac. If TI does not indicate within limits specified, perform b below.
b. Adjustments. No adjustments can be made.
12. Resistance
a. Performance Check
(1) Set TI rotary switch to Ω.
and COM inputs.
(2) Short TI V Ω
(3) TI will indicate between 000.0 and 000.2 Ω. Add this reading where indicated in