TB 9-4931-228-24
SCHROEDER BROTHERS CORPORATION, MODEL GS-5
11. Preliminary Instructions
a. The instructions outlined in paragraphs 11 and 12 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
c. Unless otherwise specified, verify the result of each test and, whenever the
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.
CAUTION
Schroeder Brothers Corporation, Model GS-5 is a hydraulic
compound gage. Clean any residual hydraulic fluid out of gage
Hydraulic fluid could damage digital
pressure controller transducer.
NOTE
Zero
digital
pressure
controller
before
performing
measurements.
a. Energize digital pressure controller and allow 30 minutes for warm-up.
NOTE
Place TI in normal operating position (vertical or horizontal)
during the following procedure.
c. Configure digital pressure controller as indicated in (1) through (6) below.
(1) Units to inHg.
(2)
Select Gage operation.
(3)
Select 300psig range.
(4)
Select control menu. Enter Set point of -28.0 inHg.
(5)
Enter Rate of .5 inHg/s.
Press set-up button. Select User menu and zero the 300psig range.
(6)