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DPS3 Heated Dew Point System

Product Description

The Edgetech Instruments Model DPS3 is a heated dew point hygrometer that can measure dew points up to 95 °C (203°F) and as low as -35 °C (-31°F). This integrated system includes a microprocessor based electronics, a chilled mirror dew point sensor, a sample flow meter/valve,  assorted tubing and fittings all contained in a heated, temperature controlled NEMA-4 enclosure.

The DPS series heated hygrometers are available in multiple configurations with the following options:

  • Automatic Blow-Back Filter: reverse pulse the sample filter to expel accumulated particulates
  • Low Sample Flow Detection: ensure a reliable sample of process gas is flowing through the sensor
  • Pressure Transducer: monitor and/or correct for dew point at pressure
  • Deluxe DPS Analyzer Interface using the DewMaster precision hygrometer
  • Auto Dialer: automatically send a pre-recorded "alarm condition detected" message to up to 4 phone numbers for sensitive process monitoring


  • Nuclear Fuel Processing
  • Monitor Fluidized Beds (Pharma and Plastics)
  • Fuel Cell
  • Battery Manufacture
  • Polymer / Plastics Processing
  • Metals Heat Treating, furnaces, annealing, casting, ingot formation
  • Semi-Con Furnace, RTP, silicon ingot
  • Food and Beverage heated process


  • Heated Sensor temperature range: 20 to 99°C (68 to 210°F)
  • Dew Point measuring range: -35C to 95 °C (-31 to 203°F)
  • AC Power: 100 to 240VAC, 50/60Hz, 250 Watts
  • Microprocessor controlled
  • 2 line LCD backlit display
  • In line filter
  • User programmable temperature controller
  • Automatic Balance control
  • Alarm relay, form C
  • Outputs 4-20mA
  • RS232 port
  • Sample connection: ¼ inch female compression tube fitting
  • Sample pressure: 0 to 150 psig max
  • Measurement Accuracy: +/-0.2C (+/-0.4F)
  • Chilled mirror sensor selection required


  • Food and Beverage
  • Furnace
  • Semiconductor