ZTP-135BS - Thermopile IR Sensor

ZTP-135SR - IR Sensor

This thermopile sensor is used for non-contact surface temperature measuring. The ZTP-135BS model consists of thermo-elements, flat IR filter, a thermistor for temperature compensation in a hermetically-sealed TO-46(18) package. There is also a variety of filters available to help maximize performance in specific applications.

 

Features

  • Small-size sensor (TO-46 package)
  • Included ambient temperature (thermistor) sensor for compensation
  • Fast response time
  • Low cost
  • High sensitivity

Applications

  • Industrial IR thermometer
  • Ear thermometers
  • Non-contact thermometers

Specifications

Thermopile Chip

ParameterLimit MinLimit TypLimit MaxUnitsConditions
Chip Size   1.8 x 1.8   mm2  
Diaphragm Size   1.4 x 1.4   mm2  
Active Area   0.7 x 0.7   mm2  
Internal Resistance 42 60 78 25°C
Resistance T.C     0.12 %/°C  
Responsivity 38 54 70 V/W 500K, 1 Hz
Responsivity T.C   -0.03   %/°C  
Noise Voltage   32   nV rms R.M.S., 25°C
NEP   0.59   nW/Hz½ 500K, 1 Hz
Detectivity   1.18 E08   cmHz½/W 500K, 1 Hz
Time Constant   25   ms  
 
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