IR (Infrared) Temperature Sensors

Infrared (IR) temperature sensors emit an infrared energy beam focused by a lens on to a surface to detect the surface 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
Painted surfaces, paper, thick plastics, food, water, asphalt, rubber and wood 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.

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Description Price 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 Stock No. 161-8103
BrandRS PRO
$376.82
Each
units
V Output Signal 250 ms ±1.5 % 1m 24 V dc 0°C Alarm, Analogue - Infrared +1000°C ABS, Aluminium - Flange Mount 31 mm
RS Stock No. 893-8489
Mfr. Part No.71201-0101
BrandFLIR
$2,141.46
Each
units
Thermal Image - ±2 % - - -10°C Alarm, Ethernet - - +150°C - - - -
RS Stock No. 905-8783
Mfr. Part No.PMU201
BrandCalex
$522.75
Each
units
- 125 ms ±1 % 1.5m - -20°C Modbus, USB - - +1000°C - USB - 16 mm
RS Stock No. 905-8768
Mfr. Part No.PN151
BrandCalex
$366.53
Each
units
V Output Signal 125 ms ±1.5 % 1m - 0°C Alarm, Analogue NFC - +1000°C - NFC - 31 mm
RS Stock No. 779-4301
Mfr. Part No.PM-MA-21-CT-CRT-MSD
BrandCalex
$834.49
Each
units
mA Output Signal 240 ms 1 % 1m - -20°C Alarm, Analogue - - +1000°C - - - 16 mm
RS Stock No. 779-4314
Mfr. Part No.CIRSPMHA201CTCRTMSD
BrandCalex
$1,092.58
Each
units
mA Output Signal 240 ms 1 % 1m - -20°C Alarm, Analogue - - +1000°C - - - 16 mm
RS Stock No. 553-337
Mfr. Part No.PC21MT-4
BrandCalex
$420.17
Each
units
Type K Thermocouple 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS Stock No. 839-0733
Mfr. Part No.APL
BrandCalex
$128.85
Each
units
- 240 ms - - 24 V dc - - - Infrared - Stainless Steel - - 25 mm
RS Stock No. 779-4305
Mfr. Part No.PM-MA-151-CT-CRT-MSD
BrandCalex
$1,073.87
Each
units
mA Output Signal 240 ms 1 % 1m - -20°C Alarm, Analogue - - +1000°C - - - 16 mm
RS Stock No. 100-0153
Mfr. Part No.PN151-K
BrandCalex
$331.25
Each
units
Type K Thermocouple 125 ms ±1.5 % 1m 6 → 28 V dc 0°C Alarm, Analogue NFC Infrared +1000°C ABS, Aluminium NFC Cable Mount 31 mm
RS Stock No. 839-0724
Mfr. Part No.PM2.2-251-HT-CRT-MSD
BrandCalex
$1,170.80
Each
units
- ≥240 ms - - - - Current, Relay - Infrared, Laser - Stainless Steel 316 - - 18 mm
RS Stock No. 839-0702
Mfr. Part No.PC21LT-0
BrandCalex
$354.29
Each
units
mA Output Signal 240 ms - 1m - - Current - Laser Light +100°C Stainless Steel - - 18 mm
RS Stock No. 553-349
Mfr. Part No.PC21MT-0
BrandCalex
$429.40
Each
units
mA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS Stock No. 553-311
Mfr. Part No.PC151MT-0WJ
BrandCalex
$882.68
Each
units
mA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 16 mm
RS Stock No. 905-8774
Mfr. Part No.PMU21
BrandCalex
$404.01
Each
units
- 125 ms ±1 % 1.5m - -20°C Modbus, USB - - +1000°C - USB - 16 mm
RS Stock No. 839-0708
Mfr. Part No.PC151HT-0
BrandCalex
$390.82
Each
units
mA Output Signal 240 ms - 1m - - Current - Laser Light +500°C Stainless Steel - - 18 mm
RS Stock No. 553-343
Mfr. Part No.PC21MT-1
BrandCalex
$416.38
Each
units
mA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS Stock No. 134-8546
Mfr. Part No.TW2000
$2,007.52
Each
units
mA Output Signal <100 ms <±1 % - - 0°C Analogue - - +999.5°C - - - 30 mm
RS Stock No. 133-6336
Mfr. Part No.PUA8-301
BrandCalex
$881.06
Each
units
mA Output Signal 240 ms ±1°C or ±1% of reading 1m - -40°C Analogue - - +1000°C - USB - 16 mm
RS Stock No. 382-911
Mfr. Part No.RSCCSTCLT15K
BrandOptris
$410.63
Each
units
V Output Signal 25 ms (adjustable up to 999 s) 1.5 % 1m - -20°C Analogue - - +350°C - - - 12 mm