MI3 IR Temperature Sensors

Fluke Process Instruments

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SANTA CRUZ, Calif., June 22, 2010 — Raytek has introduced the MI3 Series of infrared temperature measurement sensors. They perform noncontact temperature monitoring for OEM applications and manufacturing processes.

The sensors deliver high performance and flexibility at a low installed cost per measurement point. Combining a rugged IP65 (NEMA 4) stainless steel sensing head with a separate communication module, they are designed to meet virtually any noncontact temperature measurement requirement.

The devices reduce energy costs by allowing tighter process control and more efficient process heating. Improved control performance results in less product variation, higher product quality and increased throughput.

Features include a broad choice of sensing head temperature ranges and spectral responses, a standard USB 2.0 digital interface for easy sensor set up and configuration, a fully programmable electronics platform and response times as fast as 20 ms. The thermometers’ multiple sensing head interface supports up to eight individually addressable heads per communication box.

The sensors offer a choice of scalable 0/4- to 20-mA and 0 to 5-/10-VDC analog outputs, or type J, K, R or S thermocouple outputs, as well as an optional RS-485 network interface, enabling seamless integration into existing control equipment or OEM systems.

Standard USB 2.0 communication facilitates sensor configuration and is valuable for troubleshooting when the device is installed in hostile or remote locations. This capability saves maintenance time and minimizes technician exposure to hazardous environments. Robust field calibration software allows on-site calibration of sensors, which further reduces service time and expense.

Precision, high-resolution silicon optics provide optical resolutions of 2:1, 10:1 or 22:1. For high-volume OEM applications, the sensing heads allow a direct digital interface to the host machine controller.

The MI3MCOMM multichannel communications box supports up to four miniature sensing heads in a convenient DIN-mountable package. All sensor operating parameters are easily accessed and configured through the standard user interface with a large backlit LCD display, or with the Raytek DataTemp multidrop software via the USB 2.0 digital interface.

The sensors’ user-programmable isolated alarm output provides alarm and control redundancy and simple on/off control. Its optically isolated relay allows for local alarm capability, eliminating the need for separate limit switches or alarms.

Other standard 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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Published: June 2010