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Sensors: Networked Infrared Thermometers

Designed for OEM and manufacturing applications, Raytek’s MI3 non-contact infrared temperature sensors are now compatible with Modbus and Profibus protocols.

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The push to connect devices, no matter how small, to an industrial network (be it fieldbus or Ethernet) is becoming increasingly commonplace for manufacturers across all industries. From improved maintenance operations and greater uptime to decreased energy use and fewer wasted materials, the ability to access and analyze data from all facets of a system’s production processes are key to lowering production costs and increasing the bottom line for manufacturers. 

To help gather critical operation temperature data, Raytek now offers the MI3 series of multichannel non-contact infrared temperature measurement sensors for use in applications requiring digital communication for field devices. The sensors, which are compatible with the Modbus and Profibus network protocols, combine a rugged IP65 (NEMA 4) stainless steel sensing head with a separate communication module and include a choice of sensing head temperature ranges and spectral responses as well as a standard USB 2.0 digital interface for ease in troubleshooting. The sensors' multiple sensing head interface supports up to eight individually addressable heads per communication box and feature response times as fast as 20 mS. 

For integration into existing control equipment or OEM systems, the MI3 series sensors offer a choice of scalable 0/4 to 20 mA and 0 to 5/10 V dc analog outputs, or Type J, K, R or S thermocouple outputs, as well as an optional RS485 network interface. The MI3's optically isolated relay allows for local alarm capability, eliminating the need for separate limit switches or alarms. Other standard MI3 features include: adjustable emissivity, transmissivity, peak hold, valley hold and signal averaging; and configurable inputs for emissivity control, ambient background compensation and trigger/hold input.

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