TB 9-6625-2020-35
Table 4. Ohms
Test instrument
range/function
Calibrator
switch settings
Output settings
Control display Error
(Ω)
indications (%)
(OHMS)
200
1901
0.6053
2
k
1.9
k
0.5526
20
k
19
k
0.5526
2
M
1.9 M
0.5526
2
20
M
19
M
1.0526
1Set
calibrator 2 wire Comp to on.
calibrator 2 wire Comp to off before setting output to 1.9 MΩ.
2Set
b. Adjustments
(1) Adjust R130 (fig. 1) until TI indication is equal to calibrator output display
indication rounded to TI digits of resolution (R).
10. Dc Current
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI INPUT HI and LO.
(2) Set TI function/range switch and calibrator output for settings listed in table
Table 5. Dc Current
Test Instrument
Test instrument
range/function switch
Calibrator
indications
settings (DC mA)
output settings
Min
Max
A
A
A
A
200
180
179.5
180.5
2
1.8
mA
1.795
mA
1.805
mA
20
18
mA
17.95
mA
18.05
mA
200
180
mA
179.5
mA
180.5
mA
2
A
1.8
A
1.795
A
1.805
A
b. Adjustments. No adjustments can be made.
11. Ac Volts
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI INPUT HI and LO.
(2) Set TI range/function switch and calibrator output for settings listed in table