ZTP-315 IR Sensor

main-ZTP-135L

The ZTP-315 thermopile IR sensor is used for noncontact surface temperature monitoring. The ZTP-315 model consists of thermoelements, a flat IR filter, a thermistor for temperature compensation and a hermetically-sealed small-size package. There is also a variety of filters available to maximize performance in specific applications.

 

 

 

 

Features

  • Non-contact measurement
  • Wider surface area measurement
  • Small-size sensor package
  • Included ambient temperature(thermistor) sensor for compensation
  • High sensitivity
  • Fast response time
  • Low cost

Applications

  • HVAC
  • Occupancy detection
  • Automotive

Specifications

Thermopile Chip

ParameterLimit MinLimit TypLimit MaxUnitsConditions
Chip Size   3.6 x 3.6   mm2  
Diaphragm Size   2.6 x 2.6   mm2  
Active Area   1.3 x 1.3   mm2  
Internal Resistance 35 50 65 25°C
Resistance T.C     0.12 %/°C  
Responsivity 22 32 42 V/W 500K, 1 Hz
Responsivity T.C   -0.11   %/°C  
Noise Voltage   30   nV rms R.M.S., 25°C
NEP   0.94   nW/Hz½ 500K, 1 Hz
Detectivity   1.38 E08   cmHz½/W 500K, 1 Hz
Time Constant   25   ms  
 
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