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Mrt-311 thermopile temperature sensor
Mrt-311 thermopile temperature sensor
The mrt-311 sensor is a thermopile temperature sensor, which is based on MEMS technology and consists of hundreds of pairs of thermocouples in series. Using Seebeck principle, when there is a temperature difference between the target and the environment, the sensor outputs the corresponding voltage to detect the existence of the target or the temperature of the target.
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product details
The mrt-311 sensor is a thermopile temperature sensor, which is based on MEMS technology and consists of hundreds of pairs of thermocouples in series. Using Seebeck principle, when there is a temperature difference between the target and the environment, the sensor outputs the corresponding voltage to detect the existence of the target or the temperature of the target.
Sensor features
To-46 package, high sensitivity, fast response, good stability, high transmittance and high NTC precision.
Main applications
Non contact temperature measurement;
Non contact measurement of infrared body temperature such as ear temperature and forehead temperature;
Continuous temperature control in production process;
Temperature measurement and control of household appliances (microwave oven, hair conditioner, air conditioner, etc.);
Human detection;
Technical index
Performance value unit remarks
The chip size is less than 1.1 � 1.1 mm/
The sensitive area is less than 0.35 � 0.35 mm/
Field of view > 95 degree > 50%
The resistance of thermopile is less than 90 � 30 K O 25 ?
Noise voltage < 38 NV / Hz1 / 2 > 25 ?
The noise equivalent power is less than 0.23 NW / Hz1 / 2 500K, 1Hz, 25 ?
The response rate is 160 � 40 V / W, 500K, 1Hz, 25 ?
The temperature coefficient of resistance is 0.06% / ? 25 ? ~ 75 ?
Time constant = 13 MS/
The detection rate is less than 1.5 � 108 cmhz1 / 2 / W, 500K, 1Hz, 25 ?
NTC resistance 100 � 1% k O 25 ?
NTC(�) 3950�1% / 25?/50?
Working temperature - 30 ~ 100 ?/
Storage temperature - 40 ~ 110 ?/
Note: product parameters are subject to change without prior notice
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