Infrared Temperature Sensors

Infrared temperature sensors have a variety of applications. As they have no need to 'touch' the surface they are measuring, they are a highly efficient solution to temperature measurement in all kinds of environments, and in particular high-temperature measurements in challenging conditions. They are a key component of thermal imaging cameras and are so vital in energy conservation and maintenance, and are also used in medical applications in 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.


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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庫存編號 553-321
製造零件編號PC151MT-0
BrandCalex
TWD8,466.00
單位
MA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS庫存編號 822-6421
製造零件編號D6T8L06
BrandOmron
TWD1,245.00
單位
MEMS Thermal - ±3 °C - - +5°C Serial - - +50°C - - - 8.3 mm
RS庫存編號 553-349
製造零件編號PC21MT-0
BrandCalex
TWD7,355.00
單位
MA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS庫存編號 779-4314
製造零件編號CIRSPMHA201CTCRTMSD
BrandCalex
TWD20,083.00
單位
MA Output Signal 240 ms 1 % 1m - -20°C Alarm, Analogue - - +1000°C - - - 16 mm
RS庫存編號 100-0153
製造零件編號PN151-K
BrandCalex
TWD6,089.00
單位
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庫存編號 133-6338
製造零件編號PCAN201
BrandCalex
TWD11,696.00
單位
MA Output Signal 200 ms ±1°C or ±1% of reading 1m - -20°C CAN-Bus - - +1000°C - - - 16 mm
RS庫存編號 553-343
製造零件編號PC21MT-1
BrandCalex
TWD7,839.00
單位
MA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS庫存編號 382-911
製造零件編號RSCCSTCLT15K
BrandOptris
TWD7,935.00
單位
V Output Signal 25 ms (adjustable up to 999 s) 1.5 % 1m - -20°C Analogue - - +350°C - - - 12 mm
全新
RS庫存編號 214-4075
製造零件編號07300.0-00
BrandSTEGO
TWD1,333.00
單位
- 1.5 minutes s, 7 seconds s 2 % 2m - -40°C - - - +80°C - IO-Link - -
全新
RS庫存編號 214-4076
製造零件編號07301.0-00
BrandSTEGO
TWD1,234.00
單位
- 2.5 minutes s, 5 seconds s - - - -40°C - - - +70°C - IO-Link - -
RS庫存編號 839-0724
製造零件編號PM2.2-251-HT-CRT-MSD
BrandCalex
TWD18,284.00
單位
MA Output Signal ≥240 ms - 1m - 0°C Current, Relay - Infrared, Laser 2000°C Stainless Steel 316 - - 18 mm
RS庫存編號 133-6336
製造零件編號PUA8-301
BrandCalex
TWD16,340.00
單位
MA Output Signal 240 ms ±1°C or ±1% of reading 1m - -40°C Analogue - - +1000°C - USB - 16 mm
RS庫存編號 553-311
製造零件編號PC151MT-0WJ
BrandCalex
TWD16,618.00
單位
MA Output Signal 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 16 mm
RS庫存編號 134-8550
製造零件編號TW7000
TWD28,168.00
單位
MA Output Signal <100 ms <±1 % - - +50°C Analogue - - +500°C - - - 30 mm
全新
RS庫存編號 205-3248
製造零件編號PMO-151-HT-C
BrandCalex
TWD7,495.00
單位
- 0.24 s 1 % 1m 24 V dc 0°C - - - +500°C - - - -
RS庫存編號 553-337
製造零件編號PC21MT-4
BrandCalex
TWD7,839.00
單位
Type K Thermocouple 240 ms 1 % 1m - 0°C Analogue - - +250°C - - - 18 mm
RS庫存編號 553-327
製造零件編號PC21MT-0WJ
BrandCalex
TWD15,363.00
單位
MA Output Signal 240 ms 1 % 1m - 0°C Alarm, Analogue - - +250°C - - - 16 mm
全新
RS庫存編號 204-9686
製造零件編號TW7011
TWD39,856.00
單位
V Output Signal 2 ms < ± 1 % - 34 V dc +350°C - - - +1350°C - - - -
RS庫存編號 839-0705
製造零件編號PC151LT-0
BrandCalex
TWD7,116.00
單位
MA Output Signal 240 ms - 1m - 0°C Current - Laser Light +100°C Stainless Steel - - 18 mm
RS庫存編號 779-4301
製造零件編號PM-MA-21-CT-CRT-MSD
BrandCalex
TWD15,339.00
單位
MA Output Signal 240 ms 1 % 1m - -20°C Alarm, Analogue - - +1000°C - - - 16 mm