Noshok 850 Series Electronic Indicating Temperature Transmitter/Switch

The 850 Series Electronic Indicating Temperature Transmitter/Switch utilizes PT100 technology to provide continuous temperature monitoring, electronic temperature switching, and transmission of analog output of 4 mA to 20 mA while providing local digital indication.

Data Sheet



  • Allows for one or two switching outputs as well as an optional analog output
  • Two buttons on top allow simple adjustment of the temperature set points, reset points, switching functions and the measuring range of the optional analog output
  • Wide measuring range (between -300 °F and 1,100 °F / -200 °C and 600 °C) covers the majority of temperature measuring and switching applications
  • 1/2″ NPT male standard connection, 1/4″ NPT optional
  • A variety of stem lengths are available for maximum versatility (also available with adjustable insertion lengths)
  • A version with tapered stem is also available for rapid response times
  • Durable stainless steel housing and wetted parts
  • The housing and replaceable measuring insert are screwed together to allow the exchange of the measuring insert without opening the connection to the process