Teledyne HPM 4/6 Calibration in a Vacuum System, Calibration with a Reference Tube

5.0 Calibration

5.1.Calibration in a Vacuum System

1Install a DV-4 or DV-6 sensor in your vacuum system and evacuate vacuum chamber to a pressure less than 1.00E-04 Torr.

NOTE: Refer to Fig 3 for locations of calibration pots. Adjust only the pot that corresponds to the particular type of sensor tube installed (DV4 or DV6).

2DV-4 or DV6 zero adjustment pot:

a.Remove battery compartment cover.

b.Adjust DV-4 or DV6 (as required for particular type of tube installed) calibration pot, until display reads 0.00.

3The HPM4/6 is now calibrated. Slide switch to OFF position and disconnect gauge cable from sensor.

4Re-Install battery compartment cover.

5.2.Calibration with a Reference Tube

NOTE: Refer to Fig 3 for locations of calibration pots. Adjust only the pot that corresponds to the particular type of sensor tube installed (DV4 or DV6).

Manual: 153-082010_HPM 4-6 Vacuum Gauge Page 9 of 12