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COSA Xentaur | Process Insights

Dew Point Transmitter Model XDT - with Aluminum Oxide Sensor Technology

Dew Point Transmitter Model XDT - with Aluminum Oxide Sensor Technology

Regular price $2,686.00 USD
Regular price Sale price $2,686.00 USD
Sale Sold out

Our COSA XENTAUR™ XDT™ Series digital dew point transmitters are designed as compact, simple, and reliable instruments, which will continually monitor air dryer performance, compressed air quality and dry gas moisture, from ambient dew point levels to as low as -100ºC (-148ºF) up to +20ºC (+68ºF). 

The XDT Series digital dew point transmitter takes full advantage of state-of-the-art microprocessor technology and offer many advanced intelligent features. With optional dual alarms, analog and digital outputs, our dewpoint transmitters can be used as indicators, alarm units or controllers. 

Pricing for US, LATAM, and Canada Only.

Outside of US, LATAM, or Canada, please request a quote.

NOTE:  Transmitter Orders must include a sensor and fitting for a complete instrument. Select from options below.  For support contact

SpanCheck™ in the Field
This field calibration procedure is fully automated, and the user is prompted through a simple one-minute procedure, which requires no additional equipment.


  • HTF™ Sensor Technology
  • SpanCheck™  in the Field
  • Multiple Housing Configurations
  • Very Low Drift
  • Long Sensor Life


  • High accuracy: Provides highly accurate dew point temperature measurements, with an accuracy of up to ±0.2°C.
  • Digital output: Provides digital output signals, such as RS485, Modbus, and HART, which can be easily integrated with other monitoring and control systems.
  • Wide measuring range: Can measure dew point temperatures from as low as -110°C to as high as 20°C, making it suitable for a wide range of applications.
  • Fast response time: Provides real-time measurements, with a response time of less than 5 minutes.
  • User-friendly: Designed to be easy to use, with a clear and intuitive display and simple one-button operation.
  • Versatile: Can be used to measure the moisture content of various gases and liquids, including natural gas, compressed air, hydrogen, nitrogen, and more.
  • Remote monitoring: Can be remotely monitored and controlled through the digital output signals, allowing users to monitor and control the instrument from a central location.
  • Durable:  Built to withstand harsh industrial environments and has a long service life.

Various Sample Systems Available

XDT Transmitter in NEMA 4X BOX , general purpose, with 2 alarm relays

XDT in NEMA 4X BOX, Includes Analog Output, 2 Alarm Relays, 6ft. Signal cable and power cable.                                 

XDT Transmitter in NEMA 4X BOX, with 2 alarm relays,  for Cl 1 Div 2 Service

XDT in NEMA 4X BOX FOR DIV 2 AREAS Analog Output, 6ft. Signal cable, power cable c/w hermetically sealed relays for use in Div 2 hazardous areas                                                    

XDT Transmitter  in NEMA 4X BOX, No relays,  for Cl 1 Div 2 Service

XDT in NEMA 4X BOX   Includes Analog Output, 6ft. Signal cable and power cable NO RELAYS C1 D2 Rated                                                        

XDT Transmitter - Panel Mount with Membrane Switch Faceplate, w/2 Alarm Relays, General Purpose Service

XDT in DIN BOX (Panel Mount) w/ Membrane Switch Face Plate, Includes Analog Output, 2 Alarm Relays, 6ft. Signal cable and power cable                                

XDT Transmitter for Class 1 Div 1 Service

XDT In Explosion Proof Enclosure with Zener Barrier and Standoffs.  UL Class 1, Div 1 Group B, C, D Class II E, F, G, Meets ATEX EEX d II B & H2 IPG: Ex II 2 G, II 2 D: in Adalet ATEX Certified Enclosure, Power gland to be provided by customer  

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