TB 9-6625-2190-35
(12) Press RANGE pushbutton for 30 V range.
(13) Adjust C8 (fig. 1) for a 30.00 V ac 0.01 V ac TI indication (R).
(14) Set calibrator for a 3 V, 5 kHz output.
(15) Press RANGE pushbutton for 3 V range.
(16) Adjust C6 (fig. 1) for a 3.000 V ac 0.001 V ac TI indication (R).
(17) Set calibrator for a 3 V, 100 Hz output. If TI does not indicate between 2.980 and
3.020 V ac, repeat (4) through (16) above as necessary.
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI VΩ and COM.
(2) Set function switch to Ω.
(3) Set TI and calibrator for settings listed in table 6. At each setting, use calibrator
output adjustment controls to set calibrator control display Reading equal to TI indication.
Calibrator control display Error indications will be within limits specified in table 6.
Calibrator
Error
Test instrument
indications
range settings
(%)
Settings
Ω1
Ω
0.42
300
190
3 kΩ
1.9 kΩ
0.31
kΩ
kΩ
0.31
30
19
kΩ2
kΩ
0.31
300
190
3 MΩ
1.9 MΩ
0.31
MΩ
MΩ
1.05
30
19
Set calibrator 2 wire Comp to ON.
1
Set calibrator 2 wire Comp to OFF.
2
b. Adjustments. No adjustments can be made.
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form with TB 750-25.
7/(8 BLANK)