TB 9-6625-2023-24
(c) HIGH RESOLN key to on.
(d) TRIGGER INTERNAL key to on.
(e) MATH OFF key to on.
(f) AUTO CAL key to on.
(g) GUARD pushbutton pressed to on.
(4) Set calibrator for a 1 k: output, EX SNS on, and 2 wire Comp off then, using
output adjustment controls, set calibrator control display Reading equal to TI indication. If
calibrator control display Error indication is not within r0.0046%, perform b below.
(5) Press RANGE 100 key to on.
(6) Set calibrator for a 100 k: output then, using output adjustment controls, set
calibrator control display Reading equal to TI indication. If calibrator control display Error
indication is not within r0.0047%, perform b below.
(7) Repeat technique of (5) and (6) above using settings and indications in table 4.
Table 4. Four Wire Ohms
Test instrument settings
Calibrator
Control display Error indications(r%)
RANGE
HIGH RESOLN
Output settings
k:
100
off
0.007
100
k:
1
off
0.006
1
:
0.1
off
0.011
100
k:
10
on
0.0071
10
k:
10
off
0.009
10
M:
1
k
off
0.019
1
M:
1
k
on
0.0146
1
M:
10
k
on
0.1006
10
M:
10
k
off
0.105
10
(8) Set calibrator for a 100 : output, EX SNS off, and 2 wire Comp on.
(9) Press TI FUNCTION 2 WIRE k: key to on and repeat technique of (5) and (6)
above using settings and indications in table 5.
Table 5. Two-Wire Ohms
Test instrument settings
Calibrator
Control display Error indications (r%)
RANGE
HIGH RESOLN
Output settings
:
0.1
off
0.411
100
k:
1
off
0.046
1
k:
1
on
0.0446
1
k:
10
on
0.0111
10
k:
10
off
0.013
10
k:1
100
off
0.0074
100
k:
100
on
0.0051
100
M:
1k
on
0.0146
1
M:
1k
off
0.019
1
M:
10 k
off
0.105
10
M:
10 k
on
0.1006
10
Set calibrator 2 wire Comp off before setting output to 100 k:.
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