TB 9-4931-287-40
CALIBRATION PROCESS FOR HONEYWELL MODEL 2707
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin 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.
7. Equipment Setup
a. Turn FUNCTION switch to OFF.
b. Mechanically zero TI galvanometer using adjustment screw on meter cover.
c. Insure that TI contains fresh batteries.
d. Connect equipment as shown in figure 1, connection A.
Figure 1. Output accuracy - equipment setup.