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.
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 | KΩ | 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% | KΩ | 25℃ | ||
NTC β | 3950±1% | K | 25/50℃ |