TB 9-6625-2020-24
Test instrument
range/function
Calibrator
Control display Error
switch settings
Output settings
( )
indications ( %)
(OHMS)
1
200
190
0.6053
2
k
1.9
k
0.5526
20
k
19
k
0.5526
2
2
M
1.9 M
0.5526
20
M
19
M
1.0526
Set calibrator 2 wire Comp to on.
1
Set calibrator 2 wire Comp to off before setting output to 1.9 M .
2
b. Adjustments. Adjust R130 (fig. 1) until TI indication is equal to calibrator output
display indication rounded to TI digits of resolution (R).
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 5.
TI will indicate within limits specified.
Test instrument
Test instrument
Calibrator
indications
range/function switch
output settings
settings (DC mA)
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.
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 6.
If TI indications are not within limits specified, perform b below.