TB 9-6625-2315-24
9. Resistance
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI front Input HI and LO.
(2) Connect calibrator SENSE HI and LO to TI front 4W Sense/Ratio Ref HI and LO.
2W/
4W key.
(3) Press Shift key then FUNCTION
(4) Press Shift key then RANGE/DIGITS Auto/Man key to select 6 digits resolution.
output, EX SNS on, and 2 wire Comp off.
(5) Set calibrator for a 0
(6) Press RANGE/DIGITS or key to select ranges listed in table 5. If TI does
not indicate within limits specified, perform b below.
4W Zero Offset
Test instrument
Indications ( )
Ranges
100
000.004
1k
0.00001 k
10 k
00.0001 k
100 k
000.001
k
1M
0.00001 M
10 M
00.0001 M
100 M
000.01
M
or
key to select 100
(7) Press RANGE/DIGITS
range.
(8) Set calibrator for a 100
output. Using output adjustment controls set
calibrator control display Reading equal to TI indication. If calibrator control display
Error indication is not within limits specified in first row of table 6, perform b below.
(9) Repeat technique of (7) and (8) above using TI ranges and calibrator output
settings listed in table 6. If calibrator control display Error indications are not within
limits specified in table 6, perform b below.
Table 6. Resistance
Calibrator
Test instrument
Control display Error
indications ( %)
ranges
Output settings
0.014
100
100
0.011
1
k
1
k
0.011
10
k
10
k
0.011
100
k
100
k
0.011
1
M
1
M
0.041
10
M
10
M
(10) Press FUNCTION
2W key.
(11) Press Shift key then RANGE/DIGITS Auto/Man key to select 6 digits resolution.
or
key to select 100 M
(12) Press RANGE/DIGITS
range.
