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Dew point sensor with polymer technology for compressed air and gases. Measure pressure dew point (PDP), relative humidity (RH), temperature (°C, °F) and pressure (optional).

Dryer Types

  • Drum, Hybrid, Membrane, Refrigerant dryers

Standard Features

  • Pressure Dew Point (PDP) Range: -60°C to +60°C (-76°F to +140°F)
  • Minimum gas flow rate: > 1L/min 
  • IP Rating: IP65
  • Accuracy: up to ±2%
  • Outputs: Modbus (RS485) and 4-20mA
  • Power requirement: 10 to 30vDC, max 50 mA @ 24vDC

Options

  • Integrated pressure sensor
  • Display and Alarm relay
  • 5 meter data cable
  • Gas Types: Air, Argon, Carbon Dioxide, Carbon Monoxide, Helium, Hydrogen, Nitrogen, Oxygen

Applications

  • Compressed air and gas systems
  • Process gases
  • Manufacturing, industrial and pharmaceutical use
  • Permanent or temporary installation
  • Non-explosive environments

This precision dew point sensor is suitable for refrigerant, drum and membrane dryers. The sensor design provides long-term, reliable, high-accuracy measurements. Its proven polymer technology provides strong contamination resistance and ability to withstand exposure to higher moisture levels. 

The Dew Point Sensor is available with an in-built display or without a display. The display option includes an alarm relay and allows you to adjust the dew point settings (gas type, measurement units, modbus and 4-20mA settings, etc).

Best suited to compressed air and gas systems to 4 Mpa (600psi) and tough conditions.

Important

  • This sensor is NOT recommended for dew points below -60°C (-76°F)
  • A minimum flow rate of > 1 L/min is required for the sensor to read accurately
  • The sensor must be installed in an upright position, after the dryer
  • Incorrect wiring or installation can damage the sensor and void the warranty. If you aren’t sure how to install or wire the sensor, please contact us. Full installation and wiring instructions are available in the User Manual.

Dew Point Meter Pack

  • Dew point sensor
  • Measurement Chamber with adjustable silencer and removable Nitto type quick connect
    (contact us for other measurement chamber options)
  • M12 connector (data cable optional)
  • Calibration certificate
  • User Manual
  • 12 month warranty

Warranty & Calibration

12 month warranty

Calibration is recommended every 2 years (provided the sensor is not exposed to relative humidity above 85%).
Annual calibration is required if the sensor is exposed to relative humidity above 85%.

Accessories

Accessories such as mechanical and electrical fittings are available on the Accessories page.

Other information

Part Numbers

  • Standard Dew Point Sensor (no display): DEK010001, DEK020001, DEK110001, DEK120001
  • Dew Point Sensor with Display: DEK011001, DEK021001, DEK111001, DEK121001

Features

  • Pressure Dew Point (PDP) Range: -60°C to +60°C (-76°F to +140°F)
  • Gas Pressure Range
    • Without integrated pressure sensor: 0 to 50 bar (725 psi)
    • With integrated pressure sensor: 0 to 17 bar (242 psi)
  • Dryer Types: Refrigerant, Membrane, Drum and Hybrid dryers
  • Gas Quality: Some contaminates (ie some oil, particles or water vapour)
  • Accuracy
    • Dew point measurements: ±2%
    • Temperature measurements: ±0.5 °C
    • Pressure @ 23°C (optional): ±0.3% FS
  • Measure
    • Pressure dew point (PDP)
    • Relative Humidity
    • Temperature
    • Optional – Pressure measurement (requires integrated pressure sensor)
  • Display: Optional 1.5” LCD Touch screen
  • Output: Modbus (RS485) and 4-20mA
  • Power requirement: 10 to 30vDC, max 50 mA @ 24vDC
  • Alarm: Alarm relay only available for the sensor with touch screen display
  • Sensor Technology: Polymer sensor
  • Application
    • Compressed air and gas systems
    • Process gases
    • Manufacturing, industrial and pharmaceutical use
    • Non-explosive environments
    • Temporary or permanent installation
  • Other Features
    • Ultra fast response time
    • Excellent long term stability
    • Anti-condensation
    • Anti-particulate pollution, oil vapour and most chemicals
    • High resistance to electrical disturbances

Downloads

User Manual

Product Flyer – Specifications and Order Codes

Order Codes (SKU)

Use the diagram below to select the features of your dew point sensor.

In the example below: DEK120002 is a dew point sensor with integrated pressure, 5 meter data cable, no display and is configured for Oxygen.

DEK Order Codes

Gas Types

Air, Argon, Carbon Dioxide, Carbon Monoxide, Helium, Hydrogen, Nitrogen, Oxygen

Integrated Pressure Sensor

No, Yes

Built-in Display

No, Yes

Data Cable

No, Yes

HS Code

9025.80.00 (Hygrometers)

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