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Dew Point Sensor

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Product Name:Dew Point Sensor

Dew Point Sensor



Product Description:

Measuring trace humidity in gases
The dew point sensor NP330-G for trace moisture measurement in gases is a 4-20 mA transmitter for measuring absolute humidity in °C dew point or frost point (optional ppmW/ppmV). The measuring range of the sensor covers both, high humidity and trace humidity. The standard measuring range is -80°C FP to +20°C DP (other measuring ranges on request).
The integrated RS232 interface is used for data output and configuration of the sensor. The switching output of the sensor is also programmed via this access.
The high media compatibility creates a wide field of application possibilities as an online measuring device for various gases and gas mixtures. The sensor is used in industrial measurement technology for control, monitoring and quality assurance of air and gas conditioning.
Due to its wide measuring range, the sensor is used for monitoring and controlling refrigeration and adsorption dryers. The NP330-G ensures the quality of air drying systems in production processes and saves energy costs during drying.


  •  Multipoint calibration (over 60 points)
  •  Temperature compensation
  •  High measuring accuracy
  •  Short response times
  •  High pressure and shock resistance
  •  High medium compatibility
  •  Also available for mil ranges
  •  Diverse display, transmission and evaluation options
  •  Mechanical extensions available for different immersion depths (120 mm and 430 mm)
  •  Calibration certificate according to DIN EN ISO/IEC17025:2018-03
Application fields among others
  •  Monitoring of air preparation facilities
  •  Dryer control (refrigeration dryer,adsorption dryer, etc.)  Monitoring of compressors
  •  Monitoring of laboratories/research facilities
  •  Production of synthetic materials
  •  Stock & container control
  •  Paper & textile industry
  •  Building services engineering(heating, ventilation, air conditioning)
  •  Battery cell production
  •  Pharmaceutical industry
  •  Food industry
  •  Residual moisture measurement in gases
  •  Table display
  •  Mobile data logger P005
  •  Sensor chamber
  •  Sensor connection cable
  •  1/2 -inch thread adaptor
  •  PC software autocali
Technical Data
Measuring range dew/frost point -80 dp to +20 dp(other ranges on request)
Operating temperature -20 to +60
Current output 420mA
Serial interface RS232
Switching output 24 V DC / max. 70mA
Supply 18-28 V DC / max. 70mA
Protection type IP65

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Supplier Details

Shenzhen Isweek Ltd

Market Type: After Market 
Business Type: Distributor/Wholesaler
Main Product: Gas Sensor, Pressure Sensor, Humidity Sensor... etc

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