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Thermopile IR Temperature Sensor

Thermopiles are designed to measure temperature from a distance by detecting an object's infrared (IR) energy. The higher the temperature, the more IR energy is emitted. The thermopile sensing element, composed of small thermocouples on a silicon chip, absorb the energy and produce an output signal. A reference sensor is designed into the package as a reference for compensation. Thermopile infrared (IR) non-contact temperature measurement sensors are available with various lens, and filters allowing use in multiple applications, from industrial pyrometers, to climate controls and medical devices. CETC's thermopile infrared sensors provide reliable non-contact temperature measurement solutions.

Model number GTP11801Y sensor is an innovative type of thermopile temperature sensor, based on MEMS technology with hundreds of thermocouples connected in series. Based upon the Seebeck effect, the sensor outputs a corresponding voltage thereby detecting the presence or temperature of the target, when there is a temperature difference between the target and the environment.

Features

  • Compact size, low power consumption and fast response.
  • Non-contact surface temperature measurement.
  • High transmittance of filters.
  • High accuracy and wide measuring range.
  • Applications: non-contact temperature measurement, non-contact measurement of ear temperature, forehead temperature and other infrared body temperature, temperature measurement and control of household appliances, and continuous temperature control of the production process.
Item Value Unit
Chip Size 1.8x1.8 mm
Sensitive Area 1.3x1.3 mm
Incident Angle of Radiation 95 degrees
Thermopile Resistivity 80±20
Thermal Resistance 100±2%
Thermal Resistance (β Value) 3950±1% K(25°C/50°C)
Working Temperature -20~100 °C
Storage Temperature -30~110 °C

Packaging Size of Thermopile IR Temperature Sensor

Pin #1 Definition: Thermopile Positive Pole
Pin #2 Definition: Thermistor
Pin #3 Definition: Thermopile Negative Pole
Pin #4 Definition: GND

 

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