Rotronic HF7 Humidity and Temperature Transmitters for Harsh Industrial Conditions

Rotronic's HF7 transmitters are ideal in harsh industrial environments for measuring temperature and humidity to calculate dew/frost point. The HF7 series is designed for fixed applications and can operate within a 0 to 100%RH and
-100° to 150°C (-148° to 302°F) range. These transmitters come with sturdy metal housing and stainless steel probes.

The HF7 series is available in three different version: duct, wall and cable. All transmitters come with the power option of 2x2 or 3/4 wire.

These transmitters have a fire protection classification and can be used in industrial applications, building management systems, underground railways and tunneling applications.

Key Specifications

  • Accuracy: ±1 %RH/ ±0.2 K, at 23°C
  • Limits at probe: max. -148° to 392°F (-100° to 200°C) / 0 to 100 %RH
  • Limits of application electronics: -40° to 185°F (-40° to 85°C) / 0 to 100 %RH; 14° to 140°C (-10° to 60°F) with LCD
  • Metal housing (aluminum diecast) and probe of stainless steel or PPS
  • Various probe lengths available
  • Adjusted at 23°C and 10, 35, 80 %RH
  • Fire protection classification
  • ROTRONIC HW4 software compatible

Specifications, Manuals, and Supporting Literature

Click the file icon to view the file online, or right-click on the file icon and select "Save Target As..." to download the file to your computer for later viewing.
Tip: If you want to print a large file, download it to your PC first.


Subscribe to the Lesman Instrument Company YouTube channel.Lesman Instrument Company on YouTube

Video is a great way to learn about instruments and technology, and it's available whenever you need it. Watch step-by-step instructions on how to configure a transmitter, tune a controller, or troubleshoot a safety valve. We'll post videos we create, and those our manufacturer partners share with us, so you don't have to look in multiple places to find the video training you need.

Subscribe to Lesman's YouTube channel, and you'll get email notifications as soon as we add new training videos and webinars.