Raytek CM Data sheet

Noncontact Temperature Measurement for Industrial Applications & OEMs

D:S=13:1 at focal point Far field D:S=9:1

CM Highlights

Measurement Specifications

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Scaleable 0-5 V, type J or K output

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Wide -20°C to 500°C (-4°F to 932°F)

temperature range

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Rugged IP 65 (NEMA-4) stainless steel housing

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Rugged 13:1 optics at 90% energy

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150 mSec (95%) response time

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Alarm output

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Sensor status/self diagnostic

indicator LED

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RS232 digital communications for

sensor set-up and monitoring

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Adjustable signal processing

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DataTemp® Multidrop

software compatible

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Accessories for air purging and

lens protection

The Raytek® CM sensor provides the advantages of infrared temperature measurement in a powerful, compact, integrated sensor. 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 your application is susceptible to noise.

Temperature Range -20ºC to 500ºC (-4ºF to 932ºF)

Accuracy (mV) ± 1.5% of reading or ± 2ºC, whichever is greater

Accuracy (t/c) ± 1.5% of reading or ± 4ºC, whichever is greater

Spectral Response 8 to 14 microns

System Repeatability ± 0.5% of reading or ± 2ºC, whichever is greater

Temperature Resolution 0.1°C

Response Time (95%) 150 mSec

Emissivity 0.10 to 1.10 (adjustable)

Transmissivity 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

Accuracy from -20 to 0ºC is ±3.5ºC

Accuracy and resolution specifications are valid for ambient temperature 23ºC ± 5ºC, e = 1.0 calibration geometry

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

Typical values measured at focal distance

1,2,3

1,2

The CM sensor is designed to measure target temperatures ranging from -20°C to 500°C (-4°F to 932°F). 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. 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. 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.

Compact. Powerful. Easy to install. Affordable.

The Raytek CM sensor is the ideal solution for both OEM and end-user applications.

Nominal Optical Specifications

D:S is the optical resolution expressed as a ratio of the distance to the target

spot divided by the diameter of the spot.

Nominal spot size based on 90% energy.

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