Temperature Measurement


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


850 Series Electronic Indicating Temperature Transmitter/Switch

3 Year Warranty


  • Utilizes PT1000 technology for continuous temperature monitoring, electronic temperature switching, and transmission of analog output while providing local digital indication
  • Allows for one or two switching outputs as well as optional current and voltage outputs
  • Three buttons on top allow simple adjustment of the temperature set points, reset points, switching functions and the measuring range of the optional analog output
  • 1/2” NPT Male standard connection
  • A variety of stem lengths are available for maximum versatility; also available with adjustable insertion lengths via the sliding compression fitting
  • Durable stainless steel housing and wetted parts
  • Display and electrical connection can be rotated independently
  • RoHS compliant

     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 FUNCTIONSSWITCH FUNCTIONSSWITCH FUNCTIONS 1 2 N.O. or 2 N.C. switch (PNP*) 4 2 N.O. or 2 N.C. switch (PNP*) with 4 mA to 20 mA 3-wire analog output**
2 1 N.O. or 1 N.C. switch (PNP*) with
4 mA to 20 mA 3-wire analog output
5 2 N.O. or 2 N.C. switch (PNP*) with 0 Vdc to 10 Vdc 3-wire output)**
3 1 N.O. or 1 N.C. switch (PNP*) with 0 Vdc to 10 Vdc 3-wire output        
PROCESS CONNECTIONS 2 1/4" NPT male 47 1/4” NPT Male sliding compression fitting    
8 1/2" NPT Male 48 1/2” NPT Male sliding compression fitting    
TEMPERATURE RANGES -4/176 -4 °F to 176 °F (-20 °C to 80 °C) -4/248 -4 °F to 248 °F (-20 °C to 120 °C)    
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.

  * NPN available, consult factory
 ** Available only with M12 x 1 (5-pin) connector
*** Not available with sliding compression fitting
†  Available only with sliding compression fitting process connection and stem lengths ≥100 mm

WARNING: This product can expose you to chemicals including Chromium (VI) and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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