Handheld Portable Vacuum Gauge (HPM 4/5/6)

The HPM 4/5/6 features a precision A/D converter along with a microprocessor to measure the thermocouple vacuum gauge tube’s signal output. The microprocessor converts the measurement to a pressure reading by employing the gauge tube’s well-defined output/pressure relationship. The result is displayed using a bright, easy-to-read graphical display. Tubes are matched and interchangeable without calibration adjustments.

Technical Brochure



  • Easy‐to‐Read Graphical Display
  • Torr, mbar, and Pascal Units
  • Battery Status Indicator
  • Protective Covering
  • Rugged Carrying Case
  • Detachable Cable
  • Compatible with Calibration Reference Tubes


  • Cryogenics/Vacuum Insulation
  • Refrigeration / HVAC
  • Power/Transformer Fill & Maintenance
  • Particle Accelerators


  • Long Battery Life
  • Proven Reliability
  • Easy Installation and Operation
  • Low Cost
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