To Your Basket Ordering Information Part Number: R255-TPA81 Price: $112.00 Weight: 0.12 lbs Thermal Array Sensor. Measures the absolute temperature of 8 adjacent points in its field-of-view simultaneously. This sensor has an I2C interface.

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The TPA81 is a thermopile array detecting infra-red in the 2um-22um range. It has eight thermopiles arranged in a row and can measure the absolute temperature of 8 adjacent points simultaneously. Measurements are in Celsius. It can detect a candle flame from up to 2 meters away. Other warm objects like people, a hot coffee mug, etc. can also be detected. The TPA81 module also has a servo output that can be used to pan the module and build up a thermal image. This sensor has an I2C interface. Use of this sensor requires a controller with I2C capability.

Application notes, schematics, and tech support can be found at Robot Electronics.

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