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  • EN


Pirani and hot cathode


The digital transmitter DPH 400 is the latest generation of micro-controller-based vacuum gauges combining an ionization sensor after the Bayard-Alpert principle with a robust spiral coil filament Pirani to provide a full range pressure measurement from atmosphere to 5∙10⁻¹⁰ mbar.

Your Benefits at a Glance

  • Fully customizable parameters
  • Optional display version (DPH 400 D)
  • 0 – 10 V signal and RS485 interface
  • Bayard-Alpert with double filaments for extended lifetime and high reliability
  • Automatic control of the ionization sensor
  • Bake-out up to 180°C without electronics removal
  • 2 setpoint relays as standard
  • Plug and play sensor replacement