Model DX Chilled Mirror Hygrometer Sensor

The Model DX primary method chilled mirror dew/ frost point sensor is a direct insertion hygrometer sensor with an integral PRT temperature sensor, wide operating range and superior temperature stability. The new DX can be inserted into a gas process stream or used to monitor the local environment. With its integrally mounted temperature sensor, a single penetration reduces installation cost …


  • Direct insertion expands Edgetech Instruments sensor choices for easy installation
  • Integrally mounted PRT temperature sensor reduces installation cost and improves RH accuracy
  • Active sensor temperature compensation and isolation eliminate drift
  • Compact design reduces space needed for installation
  • Integrated micro aspirator option for faster response in static environments
  • Integrated filter options for use in dirty environments

DewMaster Chilled Mirror Hygrometer

Edgetech Instruments field-proven chilled mirror technology.


  • A robust hygrometer for laboratory and industrial applications with field proven reliability and precision
  • Drift free primary method chilled mirror sensors have wide measurement ranges and do not require periodic recalibration
  • ISO/IEC 17025 accredited NIST traceable certification
  • Best in class air cooled temperature depression simplifies operation
  • Automatic Balance Control corrects for contaminants to maintain accuracy
  • Multiple sensor configurations available to fit various applications
  • Desk top, rack mount and NEMA 4X enclosure options available

DewTrak II Chilled Mirror Transmitter

The Edgetech Instruments DewTrak II transmitter is a precision dewpoint hygrometer for industrial and process applications. It measures dew/frost point and relative humidity using a primary method chilled mirror sensor to continuously monitor the water vapor content of gases, and a platinum resistance thermometer to accurately measure temperature, without drift or the need for routine recalibration. The DewTrak II is …


  • Precision dew/frost point or relative humidity transmitter for industrial, process and area monitoring
  • Fast responding primary method chilled mirror sensor with integral PRT retains accuracy without periodic recalibration
  • Remote, insertion or local wall mount sensor configurations to fit application requirements
  • Configurable analog outputs, alarm relays and bi-directional serial interface
  • Bi-directional serial interface
  • Powered by 24 Vdc.