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Contactless IR Temperature Sensor: ZTP-135SR

Measure the temperature of a surface without contact using this Contactless Thermopile Infrared Temperaure Sensor.

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Availability: SHIPS TODAY

Last Updated: 05/05/2025

Tinkersphere

TS3477

$5.90

Price BreakUnit PriceExtended Price
10 $4.90 $49.00
25 $3.58 $89.50

Point this Contactless Infrared Temperature Sensor at something to determine its temperature. A great way to measure the temperature of an object from a distance, this sensor catches infrared beams emanating from objects at a distance to measure temperature. As the temperature increases the voltage increases on the thermopile in millivolts.

Specifications:

  • Temperature Sensor Type: Contactless Infrared Thermopile
  • Included ambient temperature (thermistor) sensor for compensation
  • High sensitivity
  • Fast response time
  • Low cost
  • Measure the temperature of an object from a distance in millivolts
  • Suitable for non-contact thermometers, ear thermometers, appliances, electronics
  • Range: -20C to 100C
  • Viewing Angle Range: 80 to 90 degrees
  • Operating Temperature: -20C to 100C
  • Thermopile and thermistor both in a single package.
  • The thermistor is used for ambient temperature sensing for compensation.
  • As the temperature of the object being sensed increases, the voltage from the thermopile increases (mV)
  • As the ambient temperature increases the resistance from the thermistor increases (kΩ)
  • Consists of thermo-elements, flat IR filter, a thermistor for temperature compensation in a hermetically sealed package
  • Package: TO-46

 

Click here to download the datasheet.

What is the actual distance it can read from ?

I\'m looking to detect the ambient temperature of a room, however the device is being designed to sit on an AC vent, meaning the temperature local to the sensor is going to be much colder / warmer then the rest of the actual room
In a thermopile-based room temperature measurement, the "hot" junctions of the thermocouples are exposed to the IR radiation emitted by the room\'s objects. The "cold" junctions, mounted on a cooler surface, act as a reference. The temperature difference between the "hot" and "cold" junctions creates a voltage, which is directly proportional to the room\'s temperature.
Default User Icon Alex · 09/28/2024
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