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Michell Instruments

SF82 Dew-Point Transmitter for Compressed Air Dryers

Fast Response Moisture Meter with Multiple Process Connections

Have questions? We're here to help!
Have questions? We're here to help!

 The SF82 is a fast-responding moisture sensor for control of dew-point and moisture content in compressed air dryers to maximize energy efficiency. Compressor rooms are often hot with temperatures reaching +50 °C (+122 °F). The SF82 is capable of reliably providing fast, accurate dew-point measurements down to -60 °C (-76 °F) dew point even in these challenging conditions.

 
The SF82 industrial transmitter incorporates the latest Process Sensing Technologies advanced thick-film polymer moisture sensing technology to provide fast, stable and repeatable humidity measurements for all dew-point dryer applications.
 
It is available with a range of process connections and electrical connectors for easy installation. SF82 dew-point transmitters are included in our service exchange program which reduces both downtime and the cost of maintenance.
• Dew point or ppmV moisture content output
• Accuracy ±2 °C (±3.6 °F) dew point
• MiniDIN 43650 C, M12 electrical connectors
• Traceable 9-point calibration certificate
• Modbus RTU over RS485 digital communication
• 4...20 mA 2 wire
• Power supply 5...28 V DC
• Ultra-fast response to moisture change
• Low cost of ownership and easy maintenance with sensor exchange program
• 316 stainless steel sensor and sample blocks
• 5/8” UNF, 3/4” UNF, G 1/2” process connections
• KF40 Glove Box flange

 Dew-point measurements for:

 
• Refrigeration dryers
• Membrane dryers
• Adsorption dryers
• Medical and surgical air
• Breathing air
• Additive manufacturing
• Plastic injection moulding
  • Thumbnail of document Data Sheet - SF82 Dew-Point Transmitter for Compressed Air Dryers
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    Data Sheet - SF82 Dew-Point Transmitter for Compressed Air Dryers

    Download
  • Thumbnail of document Manual - SF82 Dew-Point Transmitter for Compressed Air Dryers
    Download

    Manual - SF82 Dew-Point Transmitter for Compressed Air Dryers

    Download

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