Raytek® Compact CM Series, -20 to 500°C


RY-CM Raytek compact, programmable temperature sensors from Raytek. Stainless steel casing, waterproof, range of -20 to 500°C with thermocouple or voltage output.

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Infrared sensors

The Raytek CM Infrared Sensor is designed for continuous temperature monitoring in a broad range of manufacturing processes and OEM applications. This sensor provides the advantages of infrared temperature measurement in a powerful, compact, integrated sensor. The CM sensor can easily replace traditional contact probes with a J-type or K-type thermocouple output, or with a user scaleable 0-5 volt output.

The CM’s onboard electronics are protected by a rugged IP 65 (NEMA-4) stainless steel housing, allowing the sensor to function in ambient temperatures to 70°C without cooling.

Although small in size, the CM is loaded with advanced features. An RS232 digital interface allows the user to configure all programmable sensor variables with the powerful DataTemp® Multidrop software included with each sensor. The built-in sensor health LED provides a convenient on-line indicator of the sensor’s operating status and aids in troubleshooting initial sensor set up.


  • Scalable 0-5 V, type J or K output
  • Alarm output
  • Sensor status/self diagnostic LED indicator
  • RS232 digital communications for sensor set-up and monitoring
  • Adjustable signal processing
  • DataTemp Multidrop software compatible
  • Accessories for air purging and lens protection


  • Advanced feature set for OEM applications
  • Wide -20 to 500°C temperature range
  • 13:1 optics at 90% energy
  • 150 msec (95%) response time
  • Rugged IP 65 (NEMA-4) stainless steel housing

Downloads:   Data sheet     User manual

Additional information

Output type

J type T/C output -20 to 500ºC, K type T/C output -20 to 500ºC, Voltage output type -20 to 500ºC, 1m cable, Voltage output type -20 to 500ºC, 3m cable, Not required


Air Purge Collar, Amtir window assembly, Adaptor cable for programming, Not required