TB 9-6625-1965-35
a. Performance Check
(1) Connect TI V-Ω input to calibrator OUTPUT HI and TI COMMON input to
calibrator OUTPUT LO.
(2) Press TI FUNCTION KΩ and RANGE 200 Ω pushbuttons.
(3) Set calibrator for a 190 Ω nominal output.
(4) Rotate calibrator knob below EDIT FIELD pushbutton to adjust calibrator
display indication to equal TI indication. If calibrator err display does not indicate within
limits specified in first row of table 6, perform b below.
(5) Repeat technique of (2) through (4) above, using calibrator outputs and TI
indications listed in table 6. If calibrator err display does not indicate within limits
specified in table 6, perform b below.
Table 6. Resistance
Test instrument
Calibrator
err
RANGE
display indication
pushbutton settings
(%)
Nominal output
.253
200 Ω
190 Ω
.253
2 kΩ
1.9 kΩ
.253
20 kΩ
19 kΩ
.253
200 kΩ
190 kΩ
.253
2000 kΩ
1900 kΩ
.553
20 MΩ
19 MΩ
b. Adjustments.
(1) Set calibrator for 19.00 MΩ. Adjust R55 20M (fig. 1) until TI indicates actual
resistance of calibrator (R).
(2) Adjust calibrator for 19.00 kΩ. Adjust R12 KOHM (fig. 1) until TI indicates
actual resistance of calibrator (R).
a. Performance Check
(1) Position controls as listed in (a) through (c) below:
(a) Press FUNCTION DC MA pushbutton.
(b) Press RANGE 200 pushbutton.
(c) READ mASEC-ERASE to ERASE.
(2) Using cables of equal length connect calibrator output to TI MA and COMMON
inputs and to frequency counter A input.
(3) Set TI mASEC mA switch to mA.
PIN: 035320-001
