TB 9-4920-456-24
CAUTION
TEST S4 switch on calibration test fixture cannot be in LOAD
position longer than 20 seconds for each use. Allow 30 seconds
between uses.
(4) Hold TEST S4 switch on calibration test fixture to LOAD position. Multimeter
will indicate between 100 and 126 V ac, and TI display will indicate within 2% plus
2 V ac of multimeter indication.
(5) Release TEST S4 switch and set DC/AC S5 switch on calibration test fixture to
OFF position.
(6) Connect multimeter to calibration test fixture SHUNT test jacks.
(7) Press AC A key on TI METER SELECT keyboard and set DC/AC S5 switch on
calibration test fixture to AC.
(8) Hold TEST S4 switch on calibration text fixture to LOAD position. Multimeter
will indicate between 0.1 and 0.126 V ac, and TI current display will indicate within 2%
plus 0.2 A of the equivalent current indicated by the digital voltmeter.
NOTE
TI indication = multimeter indication x 10 2% plus 0.2 A.
(9) Set DC/AC S5 switch on calibration test fixture to OFF.
(10) Connect multimeter (dc mode) to VOLTMETER (PWR) test jacks on calibration
test fixture.
(11) Set DC/AC S5 switch on calibration test fixture to DC.
(12) Turn TI DCV ADJ
DC
V
control
fully
ccw
and
press
key
on
(13) Adjust TI DCV ADJ control for an indication of 18.0 V dc on TI display.
Multimeter will indicate between 17.54 and 18.46 V dc.
(14) Adjust TI DCV ADJ control for an indication of 28.0 V dc on TI display.
Multimeter will indicate between 27.34 and 28.66 V dc.
(15) Adjust TI DCV ADJ control for an indication of 35.0 V dc on TI display.
Multimeter will indicate between 34.20 and 35.80 V dc.
(16) Adjust TI DCV ADJ control fully ccw.
(17) Set DC/AC S5 switch on calibration fixture to OFF.
8