TB 9-6625-1956-24
7. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Remove protective cover from TI only when necessary to make adjustments. Replace
cover after completing the adjustments.
b. Set TI 115-230 V switch (rear panel) to 115 V.
c. Connect TI to autotransformer.
d. Connect autotransformer to 115 V source and adjust for a 115 V ac output.
e. Position TI controls as listed in (1) through (3) below:
(1) ZERO/TEST switch to ZERO.
(2) FUNCTION switch to 200 .
(3) POWER (mW) switch to .01.
f. Energize TI and allow 30 minutes for warm-up and stabilization.
8. Range Accuracy
a. Performance Check
(1) Connect equipment as shown in figure 1, connection A.
(2) Position power meter controls as listed in (a) through (d) below:
(a) MOUNT RESISTANCE switch to 200 .
(b) RANGE switch to 10 mW.
(c) CALIBRATION FACTOR switch to 100%.
(d) If power meter serial number is 931-01751 or above, set A2S1
OPERATE/CALIBRATE switch located on A2 logic board (left side of power meter) to
CALIBRATE.