TB 9-6625-2114-24
b. Adjustments
(1) Remove OHMS lead from resistance standard and set RANGE switch to RX10 3V.
Adjust OHM ADJ for meter indication.
(2) Set RANGE switch to RX1 1V. Adjust R49 RX1 (fig. 1) for
meter indication (R).
(3) Repeat a (2) through (7) above.
12. Final Procedure
a. Deenergize and disconnect all equipment and reinstall protective cover on TI.
b. Annotate and affix DA label/form in accordance with TB 750-25.
SECTION IV
CALIBRATION PROCESS FOR
MULTIMETER, HEWLETT-PACKARD, MODEL 410C
13. Preliminary Instructions
a. The instructions outlined in paragraphs 13 and 14 are preparatory to the calibration
process. Personnel should become familiar with the applicable sections before beginning
the calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturer's manual for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
14. 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. Connect TI to 115 V ac source.
b. Energize TI and allow at least 20 minutes to warm-up and stabilize.
c. Deenergize TI and wait 30 seconds. If meter pointer does not indicate 0, adjust
mechanical zero for 0 indication.
d. Energize TI.
15. Dc Voltage