TB 9-6625-2263-24
(18) Set calibrator for a 0.6 V output. Adjust A/D ANALOG R518 1/2 BIT (fig. 1) for
TI indication between 0.5999 8 and 0.6000 2 VD (R).
(19) Set calibrator for a 0.3 V output. Adjust A/D ANALOG R527 REM (fig. 1) for TI
indication between 0.2999 8 and 0.3000 2 VD (R).
(20) Press S1 (fig 2) to return to normal mode.
(21) Press S1 (fig. 2) to select cal digit mode.
(22) Set calibrator for a 120 V output. Adjust I/O SWITCH R109 1000 V (fig. 1) for
TI indication between 119.999 4 and 120.000 6 VD (R).
(23) Press S1 (fig. 2) to return to normal mode.
9. Resistance
a. Performance Check
4-WIRE pushbutton and RANGE
or
pushbutton to select 10
range.
(1) Press
or
pushbutton to select 1/SEC rate.
(2) Press READING RATE
(3) Connect calibrator OUTPUT HI and LO to TI V/
INPUT HI and LO.
SOURCE HI and LO.
(4) Connect calibrator SENSE HI and LO to TI
(5) Set calibrator for a 0 output, EX SNS on and 2 wire Comp off. If TI does not
12 digits, perform b (1) through (4) below.
indicate 0.0000
or
(6) Press READING RATE
pushbutton to select 2/SEC rate.
(7) Set calibrator for a 10
output then, using calibrator output adjustment
controls, set calibrator control display Reading equal to TI indication. Calibrator control
display Error will indicate within 0.026 %.
(8) Repeat technique of (1) and (7) above for TI and calibrator settings listed in
table 4. If calibrator control Error display does not indicate within limits specified,
perform adjustments listed in table 4.
Table 4. Resistance
Test instrument
Calibrator
range settings
Test instrument
Control display Error
( )
Output settings ( )
indications (%)
adjustments
b(5)
b(7)
100
100
0.0155
through
b(8)
b(10)
1k
1k
0.0155
through
b(11)
b(13)
10 k
10 k
0.0155
through
b(14)
b(18)
100 k
100 k
0.017
through
b(19)
b(25)
1M
1M
0.023
through
10 M1
10 M
0.075
---
On some TIs the decimal point may align with 100 on the front panel when in the 10 M
range.
1
(9) Set calibrator to STANDBY and disconnect from TI.
Connect resistance
standard set for 10 M to TI V /INPUT HI and LO.
(10) Press nS pushbutton. TI will indicate between 99.89 and 100.11 nS.
