Compact Infrared Sensor – Raytek CM Series


  • Scaleable 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

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 (160°F) 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.


Environmental Rating IP65
Ambient Temperature 0 to 70°C
Cable Temperature -30 to 105°C
Storage Temperature -20 to 85°C
Relative Humidity 10 to 95%, non-condensing
Shock IEC 68-2-27, 50 g’s, 11 ms, any axis
Vibration IEC 68-2-27, 3 g’s, any axis, 11–200 Hz
Weight 145 g (incl. 1 m cable)
Analog Output model specific type J or K or scaleable 0 to 5 V voltage output
Digital Output 1 RS232 (two-way)
Alarm Output 1 24 VDC, ±20%, < 20 mA (transistor)
Cable Length 1 m standard
3 m optional
Output Impedance (t/c) 100 W
Min. Load Impedance (mV) 50 kW
Power Supply 24 VDC, ±20%, 10 mA



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