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Testo India Private Limited
Testo India Private Limited

Dew Point Transmitters

Dew Point Transmitter is used for humidity measurement in compressed or dry air like granulate dryers. It ensure quality of the compressed air.

Areas of Application:

  • Refrigeration dryers
  • Membrane dryers
  • Adsorption dryers
  • Granulate dryers”

Dewpoint Transmitters


Dewpoint Transmitters
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We offer a range of Dewpoint Transmitters. The transmitters are manufactured to trace the humidity measurement in compressed or dry air like granulate dryers). Optimum accuracy in the trace humidity has achieved with the help of special adjustment. -45° Ctd to+30° Ctd is the result of the development of the transmitters. A freely scalable analog output is offered to display the relevant trace humidity parameters. Additionally, an optional switch contact plug is offered for MAX monitoring. Owing to their compact and user-friendly design, these transmitters are widely demanded by the clients. These transmitters are known for optimum positioning of the display as the rotate-ability of the housing is by 350°.


Following are the various functions that are available via the user-friendly software for professional applications:


  • Measurement of dew points in the range from -45°C to +30°C

  • Testo polymer humidity sensor with high accuracy and long-term stability

  • Conventional operation via the display menu

  • Analog output 4 to 20 mA (2-wire) and optional alarm plug with 2 integrated switch outputs

  • Compact design with rotatable housing by 350° for optimum positioning of display

  • Display with operating menu (optional)

  • Trace humidity adjustment without reference measuring instrument possible on site with accessory (2-point adjustment device), replaces expensive adjustment with dew point mirror

Additional Information:

  • Item Code: Testo-6740
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