Raytek CM is a powerful, compact and integrated IR temperature measurement sensor


Raytek CM is a compact, integrated IR noncontact thermometer intended for continuous temperature monitoring in a wide range of industrial manufacturing processes and OEM applications. This rugged, NEMA-4 sealed, single-piece integrated sensor offers powerful features to handle nearly any temperature measurement requirement. Although small in size, the Raytek CM outperforms competitive temperature measurement sensors at nearly twice the price. The sensor insures a consistent manufacturing process and allows tighter tolerances on heating processes, reducing heating costs while improving process throughput and product quality. Designed for easy integration, 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, if the application is susceptible to noise. The Raytek CM includes precision, high-resolution silicon optics, providing excellent optical resolution at a very attractive price. An RS232 digital interface allows the user to configure all programmable sensor variables via the powerful Raytek DataTemp(r) Multidrop software. These include a 24 volt DC alarm output triggered by target temperature or head ambient temperature; peak hold, valley hold or variable averaging signal processing; adjustable target emissivity settings; and adjustable window transmissivity setting. A 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. The Raytek CM's remote configuration capability allows it to be configured for virtually any application, reducing installation and troubleshooting time, and streamlining data acquisition. This feature also eases troubleshooting when the sensor is located in a hostile or remote location.


• Temperature Range -20 to 500°C • Spectral Response 8 to 14 µm • Accuracy 1 • mV ±1,5% of reading or ±2°C, whichever is greater • ± 3,5°C for Tmeas < 0°C • t/c - 2 ±1,5% of reading or ±4°C, whichever is greater • ± 3,5°C for Tmeas < 0°C • Repeatability ± 0,5% of reading or ± 2ºC, whichever is greater • Temperature Resolution 0,1°C • Response Time 150 ms (95%) • Emissivity 0,10 to 1,10 (adjustable) • Transmissivity 0,10 to 1,00 (adjustable) • Signal Processing peak hold, valley hold, variable averaging • Self diagnostics normal operation, alarm, out of range, unstable, sensor fault • Bore-Sight tolerance typ. 3° at focal point • 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 • 24 VDC, ±20%, < 20 mA (transistor) • Cable Length 1 m standard • m optional • Output Impedance (t/c) 100 Ω • Min. Load Impedance (mV) 50 kΩ • Power Supply 12 – 24 VDC, ±20%, 10 mA
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