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Capteur de température infrarouge

Infrared Temperature Sensor MLX90614 - BAA

SparkFun | A-000000-01555
The Melexis MLX90614ESF-BAA Infrared Temperature Sensor is a high-accuracy, non-contact temperature sensor with a broad measuring range that can be used to determine room temperature or the temperature of a specific object.
€49.90
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Infrared Temperature Sensor: welcome to the MLX90614 family

The MLX90614 range is a family of sensors equipped with thermopile infrared detectors. The Melexis MLX90614ESF-BAA Infrared Temperature Sensor allows you to take accurate measurements covering a wide range (up to 382.2 °C!), with a narrow margin of error of +/-0.5 °C for readings at room temperature.

The sensor offers two possible communication interfaces: SMBus (by default) and 10-bit PWM output. For all frequencies below 100 kHz, the SMBus is also compatible with the I2C interface.

 

Connection of the MLX90614 sensor with SMbus

Finally, the MLX90614ESF-BAA Infrared Temperature Sensor is contained in an extremely lightweight packaging that protects the sensor from ambient infrared radiation and from sunlight.

Please note that to obtain the most accurate data possible, you must make sure the temperature sensor is always placed in an isothermal environment – if the sensor’s protective envelope is exposed to different temperatures, the sensor won’t give a reliable reading.

Examples of DIY projects using the MLX90614ESF-BAA Temperature Sensor

The MLX90614ESF-BAA Temperature Sensor can be used in numerous electronics and robotics projects requiring these types of readings, e.g.:

  • Manufacture of an infrared body thermometer
  • Equipment of a robotic fire-fighting system
  • Measurement of the temperature of electronic components
  • System for the automatic triggering of a heating or air conditioning unit with a thermostat
  • Multi-zone temperature control: up to 100 sensors located in different zones capable of transmitting data simultaneously

 

Technical specifications of the Melexis MLX90614ESF-BAA Infrared Sensor

  • Detected temperatures:
    • room temperature: -40 to 85 °C
    • temperature of objects: -70 to 382.2 °C
  • Resolution: 0.02 °C
  • Accuracy (room temperature): ± 0.5 °C
  • I2C-compatible SMBus digital interface
  • Weight: 0.9 g
  • External supply voltage: 3V
  • Supply current: 1–2 mA
  • Supply current (programming): 1.5–2.5 Vdc
  • PWM resolution: 10 bits

 

Resources for the MLX90614ESF-BAA Sensor

To ensure you have access to the most accurate information on the MLX90614ESF-BAA Sensor, we have also compiled a selection of links:

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