Sensors & Transducers


Miniature infrared sensors

March 2008 Sensors & Transducers

The low cost Raytek MID (miniature digital) sensor is ideal for installations in production and equipment monitoring applications where large sensors are impractical or where multiple sensors are required to ensure uniform temperature measurement along a production line. The MID consists of a miniature, stainless steel sensing head and separate compact electronics with a five digit backlit LCD interface for simple set-up. Advanced digital communication options provide performance available otherwise only in larger, more expensive temperature monitoring devices. For high temperature environments there is the MIH unit whose head and cable can withstand 180°C ambient temperatures.

Available with either 20:1, 10:1 or 2:1 optics, the Raytek MID provides 1% accuracy across a broad temperature range from -40° to 1200° with a fast response time of 150 ms. The extremely small infrared sensing head is housed in a rugged stainless steel enclosure to ensure long-term performance, even in harsh production environments.

Signal processing features, including emissivity, peak hold and averaging, are easily adjustable on the LCD user interface. A 5-volt alarm is triggered when the pre-set target temperature or sensor head ambient temperature is exceeded. Windows based DataTemp MulitDrop software allows technicians to program remote sensors, collect, organise and display temperature information on a PC, as well as to print temperature and time in practical graphs and tables.



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