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Features

  • Compatible with Raytek MI3 electronics modules
  • Temperature range:
  • LT: -40 to 600°C or 0 to 1000°C
    • G5: 250 to 1650°C
  • Spectral response:
    • LT: 8 to 14 microns
    • G5: 5 microns
  • Accuracy: ±1% of readings
  • Optical resolution: 2:1, 10:1 or 22:1
  • Emissivity: 0.100 to 1.000 (digitally adjustable in .001 increments)
  • Transmission: 0.100 to 1.000 (digitally adjustable in .001 increments)
  • Rugged stainless steel construction

The Raytek MI3 infrared thermometer is a two-piece system with miniature sensing head and separate communications electronics. Designed for a wide range of applications, the MI3 is accurate, rugged, affordable, and easy-to-install and operate. With the MI3, precision infrared temperature measurement is now an economical alternative.

The Raytek MI3 sensing heads are designed for an endless range of applications and feature a variety of sensing head options. Thanks to precision, high-resolution silicon optics, the MI3 sensors provide a range of optical resolutions including 2:1, 10:1 and 22:1. The MI3 sensing heads are also available in two versions. The LT version has a temperature range of -40 to 600°C or 0 to 1000°C and a spectral response of 8 to 14 microns. The LT also has a fast-response option for response times as fast as 20 mSec. The G5 version has a temperature range of 250 to 1650°C with a spectral response of 5 microns. The basic accuracy for both versions is ±1% of readings.

All sensor-operating parameters are easily accessed and configured through the standard user interface with large backlit LCD display, or with the powerful Raytek DataTemp® multidrop software via the USB 2.0 digital interface. Standard functions of the MI3 system include: adjustable emissivity, transmissivity, peak hold, valley hold and signal averaging; and configurable inputs for emissivity control, ambient background compensation and trigger/hold input.

The MI3's miniature size and low cost per measurement point make it ideal for installation at multiple points in your process. The innovative multiple sensing head interface supports up to 8 individually addressable heads per communication module which reduces overall cost while simplifying installation and troubleshooting. The rugged stainless steel sensing head ensures reliable long term performance in the harshest industrial environments.

Raytek MI3 sensing heads ship complete with one mounting nut.

Required Components
These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.
Raytek MI3 Electronics Modules
Electronics module with communications, output and LDC display for use with the Raytek MI3 sensor head
Starting at
$175.00
In Stock
Raytek MI Series Adjustable Mounting Bracket
Adjustable bracket for the Raytek MI3 and MI Series Sensors
$65.00
In Stock
Air Purge
Raytek MI series air purge jacket (no cooling)
Air purge jacket (no cooling) for Raytek Thermalert MID or GPM series
$95.00
In Stock
Raytek MI series air cooling & purging system including 2.8' (0.8m) air hose
Air cooling & purging system with 2.8' (0.8m) air hose for MID or GPM series
$472.00
In Stock
Raytek MI series  air cooling & purging system including 9.2' (2.8m) air hose
Air cooling & purging system with 9.2' (2.8m) air hose for MID or GPM series
$574.00
Mounting Bracket
Raytek MI series extra mounting nuts
Raytek MI series extra mounting nuts
$31.00
In Stock
Raytek MI series fixed mounting bracket
Fixed bracket for the Raytek Thermalert MID or GPM series
$41.00
Viewing Windows/Protection
Raytek MI Series Zinc Sulfide Protective Window
Raytek MI Series Zinc Sulfide Protective Window
$89.00
Raytek MI Series Polymer Protective Window
Polymer Protective Window for Raytek MI3 Sensors
$57.00
In Stock
Accessories
Please consider these optional accessories.
Raytek MI series right angle mirror for use with air cooling and/or purging
Raytek MI series right angle mirror for use with air cooling and/or purging
$143.00
Raytek MI Series Close Focus Lens
Close focus lens for Raytek MI3 sensors (10mm focus distance)
$57.00
Raytek MI3 & MI3M Series Interface Box
Multi-channel sensor interface box for Raytek MI3 and MI3M Series instruments
$418.00