Teledyne HPM 4/6 Marine Instruments User Manual


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Manual: 153-082010_HPM 4-6 Vacuum Gauge Page 10 of 12
1 DV-4 low pressure adjustments:
a. Connect instrument gauge cable to a DB-16D Reference Tube and position slide switch to
DV-4.
b. Remove battery compartment cover, and then adjust DV-4 calibration pot until display reads
pressure value listed on reference tube label.
c. Set slide switch to OFF position and disconnect gauge cable from sensor.
d. Reinstall battery compartment cover.
2 DV-6 low pressure adjustment:
a. Connect instrument gauge cable to a DB-20 Reference Tube and position slide switch to
DV-6.
b. Remove battery compartment cover, and then adjust DV-6 calibration pot until display reads
pressure value listed on reference tube label.
c. Slide switch to OFF position and disconnect gauge cable from sensor.
d. Reinstall battery compartment cover.
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