The Raytek CM Sensor is designed for continuous temperature monitoring in a broad range of manufacturing processes and OEM applications. The sensor provides the advantages of infrared temperature measurement in a powerful.

  • Scaleable 0-5 V, type J or K output
  • Wide -20°C to 500°C (-4°F to 932°F) temperature range
  • Rugged IP 65 (NEMA-4) Stainless Steel Housing
  • Rugged 13:1 Optics at 90% Energy
  • 150 mSec (95%) Response Time
  • Alarm Output
  • Sensor Status/ Self Diagnostic Indicator LED
  • RS232 Digital Communications for sensor set-up and monitoring
  • Adjustable Signal Processing
  • DataTemp® Multidrop software compatible
  • Accessories for air purging and lens protection

Measurement Specification

Temperature Range

-20°C to 500°C (-4°F to 932°F)

Accuracy (mV)

±1.5%of reading or ± 2 C, whichever is greater 1,2

Accuracy (t/c)

±1.5%of reading or ± 4°C, whichever is greater 1,2,3

Spectral Response

8 to 14 Micron

System Repeatability

±0.5%of reading or ± 2°C, whichever is greater

Temperature Resolution


Response Time (95%)

150 mSec


0.10 to 1.10 (adjustable)


0.10 to 1.00 (adjustable)

Signal Processing

Peak Hold, Valley hold, variable averaging

Self diagnostics/sensor status

Normal operation, alarm, out of range, unstable,

sensor fault

Bore-Sight tolerance 4

3º @ focal point


1)    Accuracy from -20 to 0ºC is ±3.5ºC

2)     Accuracy and resolution specifications are valid for ambient temperature23ºC ± 5ºC, e = 1.0 calibration geometry

3)     Accuracy measured on the 0-5 VDC output or RS232 for t/c models is ± 1.5%of reading or ± 2ºC, whichever is greater

4)     Typical values measured at focal distance


Electrical Specifications

Analog Outputs

Model specific Type J, Type K or

scaleable 0-5V voltage output

Cable Length

1m (3.3 ft) standard

3m (9.8 ft) cables optional

Thermocouple Output Impedance

100 ohms

Voltage OutputMinimum Load Impedance

50K ohms

Power Supply

12–24 VDC ±20% @ 10mA

Digital Output 5

Two-way RS232 digital output

Alarm Output 5

Transistor, 24VDC ±20% <20mA

5 Digital output and alarm output share a common wire. User selects either alarm output or RS232 communication

via Datatemp Multidrop software.


Sensor Specifications

Environmental Rating

IP 65 (NEMA-4)

Ambient Temperature Range

0ºC to 70°C (32ºF to 160°F)

Cable Temperature Range

-30ºC to 105ºC (-22ºF to 220ºF)

Storage Temperature

-20ºC to 85°C (-4ºF to 185°F)

Relative Humidity

10 to 95%, non-condensing


IEC 68-2-27 (MIL STD 810D)

50 g’s, 11 mSec, any axis


IEC 68-2-27 (MIL STD 810D)

3 g’s, any axis, 11–200 Hz


1m cable model: 145 g (5.1 oz)


  • Plastic Machinery
  • Transformer Winding
  • Bus Bar Monitoring
  • Panel Monitoring
  • Motor/ Generator Temperature Measurement

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