TB 9-6625-2278-24
7. Equipment Setup
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe the safety precautions. REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Connect TI to a 115V ac source.
b. Set TI and range calibrator LINE switches to ON position and allow 30 minutes for
equipment to warm up and stabilize.
NOTE
If an out-of-tolerance indication is obtained during any
performance check, re-zero TI as follows: Set range calibrator
FUNCTION switch to STANDBY, then press TI ZERO key
and wait for display to stabilize.
8. Zero Carryover
a. Performance Check
(1) Set TI and range calibrator LINE switches to OFF position.
(2) Connect channel A power sensor input to range calibrator using cable supplied
with TI.
NOTE
Press SENSOR B key in (3) (c) below only if instructed to do so
by text.
(3) Set TI controls as listed in (a) through (c) below:
(a) Press LINE switch to ON position.
(b) Press PRESET key.
(c) Press SENSOR A key.
(4) Set range calibrator FUNCTION switch to STANDBY and LINE switch to
ON position.
(5) Press ZERO key and wait approximately 15 to 17 seconds for display to
reappear and stabilize. If TI display does not indicate between -0.06 and +0.06 W, perform
b below.
NOTE
TI is now zeroed on range 1 (most sensitive).
NOTE
Value in (6) (b) below will reflect table 3 MNL RANGE
settings.
