TB 9-6625-2335-24
Table 3. Dc Offset
Test instrument
Indications
Ranges
Min
Max
300 V
-000.0007
V
+000.0007
V
30 V
-00.00020 V
+00.00020
V
3V
-0.000007 V
+0.000007
V
300 mV
-000.0040
mV
+000.0040
mV
30 mV
-00.00385 mV
+00.00385
mV
(4) Remove short from front panel INPUT HI and LO.
(5) Connect low thermal short to TI rear panel INPUT HI and LO.
(6) Press keys to select the rear input terminals as listed in (a) through (c) below:
(a) CONFIGURATION TERM.
(b) MATH 2.
(c) ENT.
or
(7) Press RANGE
key to select ranges listed in table 3. TI will indicate
within limits specified for each range.
(8) Remove short from rear panel INPUT HI and LO.
(9) Press keys as listed in (a) through (c) below:
(a) CONFIGURATION TERM.
(b) MATH 1.
(c) ENT.
(10) Connect calibrator OUTPUT HI and LO to TI INPUT HI and LO.
(11) Press RANGE or key to select ranges and set calibrator output to settings
listed in table 4. If TI does not indicate within limits specified, perform corresponding
software adjustments.
Table 4. Dc Voltage
Test instrument indications
Calibrator
Test instrument
Software
output
adjustments
ranges
settings
Min
Max
b (1), (3), and (9)
30 mV
30 mV
29.9948
mV
30.0052
mV
b (1), (4), and (9)
300 mV
300 mV
299.9855
mV
300.0145
mV
b (1), (5), and (9)
3V
3V
2.999918
V
3.000082
V
b (1), (6), and (9)
3V
-3 V
-2.999918
V
-3.000082
V
b (1), (7), and (9)
30 V
30 V
29.9986
V
30.0014
V
b (1), (8), and (9)
300 V
300 V
299.9828
V
300.0172
V
b. Software Adjustments
(1) Press blue shift key then CONFIGURATION C/OFFSET COMP key. TI will
display CAL.
(2) Enter 0,3457 using MATH keys.
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