October 2009Operator Interfaces, Switches & Relays
Raytek has introduced the Raytek CM, a compact, integrated IR no contact thermometer that has a simple relay output that switches the 24 VDC supply at the programmed temperature. This rugged, IP65 sealed, single-piece integrated sensor also has the capability of giving an analog output with a J or K-type thermocouple, or with a user-scaleable 0–5 V.
Although small in size, the unit is only 18 mm diameter and 95 mm long and is equipped with a 1m cable, the thermometer includes precision, high-resolution silicon optics that provide 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 Multidrop software. These include a 24 VDC 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.
The sensor is designed to measure target temperatures ranging from -20 to
500°C. Its onboard electronics are protected by a rugged IP65 stainless steel housing, allowing the sensor to function in ambient temperatures to 70°C without cooling.
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