TB 9-6625-2335-35
(2) Press ACI key.
(3) Press RANGE ↑ or ↓ key to select ranges and set calibrator for output
settings at 1 kHz listed in table 13. If TI does not indicate within limits specified,
perform corresponding software adjustments.
Table 13. Ac Current
Test
Test instrument
instrument
Calibrator output
indications
Software
settings at 1kHz
ranges
Min
Max
Adjustments
30 mA
30 mA
29.873
mA
30.127
mA
b(1), (2) and (5)
300 mA
300 mA
298.73
mA
301.27
mA
b(1), (3) and (5)
1A
1A
0.9929
A
1.0071
A
b(1), (4) and (5)
b. Software Adjustments
(1) Press blue shift key then CONFIGURATION C/OFFSET COMP key. TI
will display CAL.
(2) Enter .03,3457 using MATH keys.
(3) Enter .3,3457 using MATH keys.
(4) Enter 1,3457 using MATH keys.
(5) Press ENT key. TI will display CALIBRATION while adjustment routine is
running.
14. Frequency Counter
a. Performance Check
(1) Connect function/arbitrary waveform generator Output to TI INPUT HI and
LO using 50Ω feedthrough termination.
(2) Press FREQ key.
output. If TI does not indicate between 19.99000 and 20.01000 Hz, perform b below.
indicate between 999.9000 kHz and 1.000100 MHz, perform b below.
b. Software Adjustments
(1) Set function/arbitrary waveform generator frequency to 1 MHz.
(2) Press blue shift key then CONFIGURATION C/OFFSET COMP key. TI
will display CAL.
(3) Enter 1000000,3457 using MATH keys.
(4) Press ENT key.
TI will display CALIBRATING while the adjustment
routine is running.
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