Senba Sensing Technology Co., Ltd.
Infrared Thermopile Sensor

Infrared Thermopile Sensor

Infrared Thermopile Sensor can measure the temperature without contact by detecting the infrared energy of an object. And the higher the temperature, the more infrared energy is produced. Thermopile sensing elements consist of small thermocouples on silicon chips that absorb energy and produce output signals.


Technical Data of Infrared Thermopile Sensor

Parameter        

Min.

Typ.

Max.

Unit

Conditions

Chip size


1.1X1.1


mm²


Sensitive area


0.35X0.35


mm²


Detection angle  


90


°


Thermopile resistance  

80

98

115

Temp=25℃

Noise voltage


38


nV/Hz½

Temp=25℃

NEP


0.23


nW/Hz½

Blackbody=500K,1Hz@25℃

Voltage Response


20.11


Vm m²/w

Blackbody=500K,1Hz@25℃

Responsivity

134

164

194

V/w

Blackbody=500K,1Hz@25℃

Temp. coefficient of resistance


0.06


%/℃

Temp=25℃~ 75℃

Time constant


<=13


ms


Specific detectivity


1.51 E08


cmHz½/w

Blackbody=500K,1Hz@25℃

NTC Resistance


100±3%


25℃

NTC β


3950±1%


K

25/50℃


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