Noncontact temperature monitoring in hazardous areas
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Proven MI3 sensors now with Ex i certification
The MI3 system minimizes costs per measuring point: two intrinsically safe MI3 sensors can be used with one power supply and communication box installed up to 15 m away
All models from Fluke Process Instruments’ versatile MI3 infrared sensor series are now also available as intrinsically safe versions for use in hazardous environments. The intelligent miniature sensors are fully ATEX and IECEx certified for use in Zones 1 and 2 (gas) and Zones 21 and 22 (dust). The manufacturer supplies a complete intrinsically safe package including the sensor, a communication box, and an Ex power supply. All three components are IP65-rated, and each can be easily exchanged in the field without re-calibration of the entire system. One or two intrinsically safe MI3
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sensing heads can be powered by one power supply. The sensor cables can be up to 30 m long in total, providing high flexibility for setting up safe monitoring scenarios. Featuring a stainless steel housing with integrated electronics, the rugged MI3 pyrometer is the smallest stand-alone digital infrared temperature sensor for fixed installation on the market today. The MI3 series comprises pyrometers for various spectral ranges and applications, including the 1M and 2M short wavelength models with an excellent 100:1 resolution and 10 ms response time, which are suitable for monitoring temperatures up to +1,800
°C. Each intrinsically safe MI3 sensing head is labeled with the Ex i certification. In the case of the MI3100, this also covers the laser sighting function for easy positioning and aiming. MI3 sensors have excellent EMC characteristics and can be used in ambient temperatures up to +180 °C. Communication boxes are available with RS485, Modbus, Profibus, Ethernet, and Profinet IO interfaces and with four galvanically isolated analog outputs. Automatic head detection and digital communication between sensor and box enable plug and play. The ATEX and IECEx certifications open up
many additional areas for the MI3 series, for example steel industry processes using hydrogen atmospheres such as galvanizing, annealing, plating, and coating; hydrogen reduction in the solar industry; petrochemical applications such as sulfur recovery and monitoring boilers, reactors, pipes, and flare control; manufacture and storage of various chemical and agricultural products such as vinyl, fertilizer, starch, alcohols, and flour; fire detection; monitoring mining equipment and conveyors; hazardous waste disposal; and sewage treatment. For more details write to india@ flukeprocessinstruments.com
August 2016