Infrared Temperature Sensors

What are Infrared Temperature Sensors?

Infrared Temperature Sensors, also known as IR sensors or Infrared Sensors, commonly feature a lens that focuses the infrared energy onto the detector which converts energy into an electric signal.

This simple process of emission and detection of IR radiation help with heat and motion sensing to detect certain objects/obstacles within its range.

They are a key component of thermal imaging cameras, are vital in energy conservation & maintenance and are also used in medical applications such as IR thermometers.

How Do Infrared Temperature Sensors Work?

Infrared (IR) temperature sensors emit an infrared energy beam focused by a lens onto a surface to detect the surface or object temperature. The reflected beam is received back in the sensor which converts the energy to an electrical signal that can be displayed in units of temperature. The sensor compensates for ambient temperature variation to give an accurate temperature reading.

Measuring Different Surface Materials

With different temperature ranges, sensor types and outputs available, it is important to choose the infrared temperature sensor that is appropriate for your application. Painted surfaces, paper, thick plastics, food, water, asphalt, rubber, wood and other non-metals all have a high emissivity.

These materials can be measured easily using general-purpose sensors with a fixed emissivity setting. Sensors with an adjustable emissivity setting allow fine-tuning of the measurement accuracy for use on partially reflective materials such as metals.

Applications of Infrared Sensors

  • Gas Warning Devices
  • Gas Analysers
  • Flame Detectors
  • Human Body Detection
  • Item Counters

Browse the broad range of Infrared Temperature Sensors RS have to offer and order today for next day delivery


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Beskrivning Pris Sensor Type Response Time Accuracy Cable Length Supply Voltage Minimum Temperature Sensed Output Type Communication Protocol Light Source Maximum Temperature Sensed Housing Material Interface Mounting Type Diameter
RS-artikelnummer 161-8103
VarumärkeRS PRO
2 239,01 kr
Each
Enheter
V Output Signal 250 ms ±1.5°C or ±1.5% of reading 1m 24 V dc 0°C Alarm, Analogue - Infrared +1000°C ABS, Aluminium - 2 x holes, M3 x 0.5 mm thread, depth 7 mm 31 mm
Nytt
RS-artikelnummer 238-7241
VarumärkeRS PRO
1 496,69 kr
Each
Enheter
V Output Signal 250 ms ±1.5°C or ±1.5% of reading 1m 24 V dc 0°C Alarm, Analogue - Infrared +1000°C ABS, Aluminium UART, USB 2 x holes, M3 x 0.5 mm thread, depth 7 mm 31 mm
RS-artikelnummer 382-911
Tillv. art.nrRSCCSLT15SFCB1K
VarumärkeOptris
2 185,37 kr
Each
Enheter
V Output Signal 25 ms (adjustable up to 999 s) 1.5 % 1m - -20°C Analogue - - +350°C - - - 12 mm
RS-artikelnummer 553-349
Tillv. art.nrPC21MT-0
VarumärkeCalex
2 139,24 kr
Each
Enheter
mA Output Signal 240 ms ±1°C or ±1% of reading 1m 6 → 28 V dc 0°C 4-20 mA - Infrared +250°C Stainless Steel 316 - M16 x 1 mm Thread 18 mm
RS-artikelnummer 822-6421
Tillv. art.nrD6T8L06
VarumärkeOmron
525,16 kr
Each
Enheter
MEMS Thermal - ±3 °C - - +5°C Serial - - +50°C - - - 8.3 mm
RS-artikelnummer 100-0153
Tillv. art.nrPN151-K
VarumärkeCalex
2 217,93 kr
Each
Enheter
Type K Thermocouple 125 ms ±1.5°C or ±1.5% of reading 1m 6 → 28 V dc 0°C Type K Thermocouple, Alarm NFC Infrared +1000°C ABS, Aluminium NFC 2 x holes, M3 x 0.5 mm thread, depth 7 mm 31 mm
RS-artikelnummer 905-8768
Tillv. art.nrPN151
VarumärkeCalex
2 139,24 kr
Each
Enheter
V Output Signal 125 ms ±1.5°C or ±1.5% of reading 1m - 0°C 0-5 V DC, 1-5 V DC, 0-10 V DC, Alarm NFC Infrared +1000°C ABS, Aluminium NFC 2 x holes, M3 x 0.5 mm thread, depth 7 mm 31 mm
RS-artikelnummer 785-8474
Tillv. art.nrES1CA40
VarumärkeOmron
10 262,60 kr
Each
Enheter
mA Output Signal 100 ms ±1 % 2m - 0°C Analogue - - +400°C - - - 18 mm
RS-artikelnummer 905-8774
Tillv. art.nrPMU21
VarumärkeCalex
2 738,56 kr
Each
Enheter
- 125 ms ±1°C or ±1% of reading 1.45m - -20°C Modbus, USB MODBUS Infrared +1000°C Stainless Steel 316 USB M16 x 1 mm Thread 18 mm
RS-artikelnummer 905-8783
Tillv. art.nrPMU201
VarumärkeCalex
3 108,86 kr
Each
Enheter
- 125 ms ±1°C or ±1% of reading 1.45m via USB -20°C Modbus, USB MODBUS Infrared +1000°C Stainless Steel 316 USB M16 x 1 mm Thread 18 mm
RS-artikelnummer 220-5851
Tillv. art.nrEX-151-MT-C-25
VarumärkeCalex
8 106,85 kr
Each
Enheter
mA Output Signal 0.24 s ±1°C or ±1% of reading 25m 12 → 24 V dc 0°C 4-20 mA - Infrared +250°C Stainless Steel 316 - M20 x 1.5 mm Thread 20 mm
RS-artikelnummer 553-337
Tillv. art.nrPC21MT-4
VarumärkeCalex
2 333,49 kr
Each
Enheter
Type K Thermocouple 240 ms ±1°C or ±1% of reading 1m 6 → 28 V dc 0°C Type K Thermocouple - Infrared +250°C Stainless Steel 316 - M16 x 1 mm Thread 18 mm
RS-artikelnummer 205-3248
Tillv. art.nrPMO-151-HT-C
VarumärkeCalex
2 195,09 kr
Each
Enheter
- 240 ms ±1°C or ±1% of reading 1m 8 → 28 V dc 0°C 4-20 mA - Infrared +500°C Stainless Steel 316, Aluminium - M16 x 1 mm Thread 18 mm
RS-artikelnummer 220-5852
Tillv. art.nrEX-151-MT-C-5
VarumärkeCalex
6 797,28 kr
Each
Enheter
mA Output Signal 0.24 s ±1°C or ±1% of reading 5m 12 → 24 V dc 0°C 4-20 mA - Infrared +250°C Stainless Steel 316 - M20 x 1.5 mm Thread 20 mm
RS-artikelnummer 553-327
Tillv. art.nrPC21MT-0WJ
VarumärkeCalex
4 628,47 kr
Each
Enheter
mA Output Signal 240 ms ±1°C or ±1% of reading 1m 6 → 28 V dc 0°C 4-20 mA - Infrared +250°C Stainless Steel 316, Aluminium - M16 x 1 mm Thread 40 mm
RS-artikelnummer 133-6338
Tillv. art.nrPCAN201
VarumärkeCalex
5 092,25 kr
Each
Enheter
mA Output Signal 200 ms ±1°C or ±1% of reading 1m 12 → 24 V dc -20°C CAN-Bus CAN-BUS Infrared +1000°C Stainless Steel 316 - M16 x 1 mm Thread 16 mm
RS-artikelnummer 214-7284
Tillv. art.nrES1B 10-70C
VarumärkeOmron
6 890,00 kr
Each
Enheter
- 300 ms 2 % 3m 12 V dc - - - - - - - - -
Nytt
RS-artikelnummer 241-0167
Tillv. art.nrCATCSLLTSFCK
VarumärkeOptris
6 843,09 kr
Each
Enheter
Two Point Laser 0.15 s ±1 % 3m 5 → 30 V dc -30°C - - - +1000°C - USB - -
RS-artikelnummer 220-5858
Tillv. art.nrEX-301-LT-C-5
VarumärkeCalex
7 545,61 kr
Each
Enheter
mA Output Signal 0.24 s ±1°C or ±1% of reading 5m 12 → 24 V dc -20°C 4-20 mA - Infrared +100°C Stainless Steel 316 - M20 x 1.5 mm Thread 20 mm
RS-artikelnummer 220-5855
Tillv. art.nrEX-21-MT-C-25
VarumärkeCalex
7 857,41 kr
Each
Enheter
mA Output Signal 0.24 s ±1°C or ±1% of reading 25m 12 → 24 V dc 0°C 4-20 mA - Infrared +250°C Stainless Steel 316 - M20 x 1.5 mm Thread 20 mm