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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.

  • 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

You will find more information on advantages, technology and a complete product overview on our VacTest series type page.

Series Type Page VACTEST
Would you like to know more?
Contact us directly (Busch United States):
Get in contact or 1-800-USA-PUMP



Would you like to know more?
Contact us directly (Busch United States):
1-800-USA-PUMP Get in contact

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