Temperature Measurement


Home | Electronic Temperature Transmitter/Switch | 850 Series Electronic Indicating


850 Series Electronic Indicating Temperature Transmitter/Switch


3 Year Warranty

  • 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
  • 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

     Note: Thermowells are recommended for pressure, corrosive fluids and high velocity


Dimensions Tech Manuals  Print Catalog Page

Additional Ordering Information Switch Set Point(s) (please specify)



SERIES 850          
SWITCH FUNCTIONS 1 2 N.O. or N.C. switch-PNP 2 1 N.O. or N.C. switch-PNP (with 4 mA to 20 mA analog output)
PROCESS CONNECTIONS 2 1/4" NPT male 8 1/2" NPT male    
TEMPERATURE RANGES -50/400 -50 °F to 400 °F 32/1100 32 °F to 1,100 °F    
-4/248 -4 °F to 248 °F -300/1100 -300 °F to 1,100 °F    
ELECTRICAL CONNECTION 2 M12 X 1 (4-PIN) 3 M12 X 1 (5-pin, 2 switch and output)    
STEM LENGTHS 25mm 25 millimeters 100mm 100 millimeters 250mm 250 millimeters
50mm 50 millimeters 150mm 150 millimeters 350mm 350 millimeters
STEM DIAMETERS 6 6 mm        

   Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.


NOSHOK, INC. 1010 W. Bagley Road | Berea, OH 44017 | Ph 440.243.0888 | Fax 440.243.3472 | Webmaster | Site Map