Temperature Sensors & Humidity Sensors

Temperature sensors are components that directly translate physical temperature into digital information. Likewise, humidity sensors are able to measure atmospheric moisture levels and translate that into digital information. As such, temperature and humidity sensors are essential for environmental monitoring in and around sensitive electronic equipment.

These capabilities make temperature and humidity sensors suitable for a number of applications, such as to maintain environmental conditions in laboratory test and measurement. They might also be used to trigger a shut-down of equipment that might be compromised by over-heat, or moisture exposure such as condensation.

The RS components range offers temperature sensors and humidity sensors from trusted brands, suitable for a variety of applications and calibrations.

Types of Temperature Sensor

• Thermostats and thermocouples are temperature sensors which measure heat generation via voltage output. They are typically robust and inexpensive, and can be used over a wide range of temperatures.

• PT100 sensors measure the resistance deviation of the medium to determine its temperature, and are sometimes called resistance temperature detectors, or RTDs. These sensors are known for their high accuracy and reliability.

• Infrared temperature sensors and thermographic cameras convert thermal radiation to an electrical signal to monitor temperature levels. These are ideal for circumstances where contact sensors cannot be used.

Types of Humidity Sensor

• Capacitive humidity sensors use humidity-dependent condensers to determine moisture output. These sensors are often used to measure relative humidity in air conditioning units and HVAC systems.

• Resistive humidity sensors measure the electrical variation in conductive polymers and treated substrates. Low cost and small of size, these sensors are used in a variety of applications and appliances.

• Thermal conductor humidity sensors calibrate the deviation between the thermal conductivity of dry air versus moist air. Due to their long-term durability and high temperature resistance, these sensors are often used in clothes dryers and ovens.

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Description Price Sensor Function Output Type Interface Type Accuracy Mounting Type Pin Count Minimum Operating Temperature Operating Temperature Range Maximum Operating Temperature Minimum Operating Supply Voltage Maximum Operating Supply Voltage Package Type Length Height
RS Stock No. 791-9627
Mfr. Part No.ADM1032ARZ-REEL
HK$9.174
Each (In a Pack of 5)
units
Temperature Digital SMBus ±1 °C, ±3 °C Surface Mount 8 - Maximum of +150 °C +150 °C 3 V 5.5 V SOIC 5mm 1.5mm
RS Stock No. 791-9620
Mfr. Part No.ADM1032ARMZ-2R
HK$3.053
Each (On a Tape of 10)
units
Temperature Digital SMBus ±1 °C, ±3 °C Surface Mount 8 - Maximum of +150 °C +150 °C 3 V 5.5 V MSOP 3.1mm 0.95mm
RS Stock No. 121-6324
Mfr. Part No.CAT34TS02VP2GT4C
HK$6.021
Each (On a Reel of 4000)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -20 °C -20 → +125 °C +125 °C - 3.3 V TDFN 3.1mm 0.75mm
RS Stock No. 121-6429
Mfr. Part No.ADT7461ARZ-REEL
HK$16.841
Each (On a Reel of 2500)
units
Temperature Digital SMBus ±1 °C, ±3 °C Surface Mount 8 -40 °C Maximum of +150 °C +150 °C 3 V 5.5 V SOIC 5mm 1.5mm
RS Stock No. 805-7225
Mfr. Part No.NCT72CMNR2G
HK$7.023
Each (In a Pack of 10)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -40 °C Maximum of +150 °C +150 °C 2.8 V 3.6 V DFN 3mm 0.95mm
RS Stock No. 791-9661
Mfr. Part No.ADT7490ARQZ-REEL
HK$9.675
Each (On a Tape of 2)
units
Temperature - - ±2.5°C Surface Mount 24 - Maximum of +150 °C +150 °C 3 V 3.6 V QSOP 8.65mm 1.5mm
RS Stock No. 791-9623
Mfr. Part No.ADM1032ARMZ-REEL
HK$2.674
Each (In a Pack of 10)
units
Temperature Digital SMBus ±1 °C, ±3 °C Surface Mount 8 0 °C Maximum of +150 °C +150 °C 3 V 5.5 V MSOP 3.1mm 0.95mm
RS Stock No. 781-4948
Mfr. Part No.CAT34TS02VP2GT4C
HK$8.122
Each (On a Tape of 5)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -20 °C -20 → +125 °C +125 °C 3.6 V 3.3 V TDFN 3.1mm 0.75mm
RS Stock No. 162-9095
Mfr. Part No.NCT75DR2G
HK$2.318
Each (On a Reel of 2500)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 3 V 5.5 V SOIC 5mm 1.5mm
RS Stock No. 121-6430
Mfr. Part No.ADT7475ARQZ-REEL
HK$11.008
Each (On a Reel of 2500)
units
Temperature Digital Serial-2 Wire ±2.5°C Surface Mount 16 -40 °C -40 → +125 °C +125 °C 3 V 3.6 V QSOP 4.89mm 1.24mm
RS Stock No. 791-9667
Mfr. Part No.ADT7476ARQZ-REEL
HK$12.355
Each (In a Pack of 2)
units
Temperature - - ±2.5°C Surface Mount 24 - Maximum of +150 °C +150 °C 3 V 3.6 V QSOP 8.65mm 1.5mm
RS Stock No. 163-0195
Mfr. Part No.NCT275BFCT2G
HK$3.167
Each (On a Reel of 3000)
units
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 6 -55 °C -55 → +125 °C 125 °C 3 V 5.5 V - 1.36mm 0.6mm
RS Stock No. 791-9664
Mfr. Part No.ADT7476AARQZ-R
HK$18.535
Each (In a Pack of 2)
units
Temperature Digital Serial-2 Wire ±2.5°C Surface Mount 24 - Maximum of +150 °C +150 °C 3 V 3.6 V QSOP 8.65mm 1.5mm
RS Stock No. 163-0193
Mfr. Part No.NCT175DMR2G
HK$3.887
Each (On a Reel of 3000)
units
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 3 V 5.5 V MSOP 3.1mm 0.95mm
RS Stock No. 806-4942
Mfr. Part No.NCT75DMR2G
HK$2.847
Each (In a Pack of 25)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 3 V 5.5 V - 3.1mm 0.95mm
RS Stock No. 791-9655
Mfr. Part No.ADT7475ARQZ-REEL
HK$14.95
Each (In a Pack of 2)
units
Temperature Digital Serial-2 Wire ±2.5°C Surface Mount 16 -40 °C -40 → +125 °C +125 °C 3 V 3.6 V QSOP 4.89mm 1.24mm
RS Stock No. 121-9881
Mfr. Part No.ADT7476ARQZ-REEL
HK$9.753
Each (On a Reel of 2500)
units
Temperature - - ±2.5°C Surface Mount 24 - Maximum of +150 °C +150 °C 3 V 3.6 V QSOP 8.65mm 1.5mm
RS Stock No. 163-0735
Mfr. Part No.NCT75DMR2G
HK$2.401
Each (On a Reel of 3000)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 3 V 5.5 V - 3.1mm 0.95mm
RS Stock No. 170-3533
Mfr. Part No.ADM1032ARMZ-REEL
HK$2.422
Each (On a Reel of 3000)
units
Temperature Digital SMBus ±1 °C, ±3 °C Surface Mount 8 0 °C Maximum of +150 °C +150 °C 3 V 5.5 V MSOP 3.1mm 0.95mm
RS Stock No. 162-9289
Mfr. Part No.ADT7490ARQZ-REEL
HK$12.236
Each (On a Reel of 2500)
units
Temperature - - ±2.5°C Surface Mount 24 - Maximum of +150 °C +150 °C 3 V 3.6 V QSOP 8.65mm 1.5mm