VRP – Electronic Vacuum Switch

VRP_1_2032
VRP_1_2032
Absolute Pressure 20 mbar to 1 x 10-3 mbar (=hPa), 15 Torr to 1 x 10-3 TorrThe VRP electronic vacuum switch can be used for directly switching a pump or valve in the fine vacuum range. An additional recorder output allows a continuous monitoring of the process pressure.Benefits
  • Dry relay switch point (switch-over relay)
  • High reliability
  • Excellent reproducibility
  • Economical Pirani measuring principle
  • Long life Pirani filament
  • After detaching the top the switch point is easily adjustable over the whole range by means of a potentiometer
  • Vacuum compatible flange connection
  • Robust metal housing with IP54 protection class
Typical Applications
  • Process automation
  • Appliance engineering
  • Controlling of vacuum appliances
  • Operational control of vacuum pumps and plants
  • Pump switching
  • Pressure control in fine the vacuum range
Product Specifications:
  • Measuring Principle Pirani, depending on gas type
  • Materials In Contact With Vacuum Stainless steel 1.4307, tungsten, nickel, glass
  • Measurement Range 20 – 1 x 10-3 mbar (15 – 1 x 10-3 Torr), max. overpressure 4 bar absolute
  • Accuracy 20 – 1 x 10-2 mbar: Approx. 10% from reading
  • Reaction time 200 ms
  • Power Supply 18 – 30 VDC
  • Electrical Connection Phoenix screw terminals
  • Power Consumption Without relay: 80 mA, with relay 100 mA
  • Operating Temperature 0…+40C
  • Storage Temperature -10…+60C
  • Recorder Output 0 – 1 V oder 0 – 10 V; 5 mA
  • Switch Point Alternating relay contact 230 V, 5 A, hysteresis depending on pressure range
  • Vacuum Connection Stainless steel small flange DN 16 ISO-KF
  • Protection Class IP54
  • Weight Approx. 450 g