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庫存編號 165-5485
製造零件編號LM235Z
HK$8.603
個 (以毎袋:1000)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 → +125 °C +125 °C 5 V 40 V TO-92 - 5.33mm
RS庫存編號 110-6598
製造零件編號HTS221TR
HK$23.645
/個 (每包:2個)
單位
Temperature & Humidity Digital Analogue ± 0.5 (Temperature) °C, ± 3.5 (Humidity) % Surface Mount 6 -40 °C -40 → +120 °C +120 °C 1.7 V 3.6 V HLGA 2mm 0.9mm
RS庫存編號 877-2744
製造零件編號LM235Z
HK$9.22
/個 (每包:10個)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 → +125 °C +125 °C 5 V 40 V TO-92 - 5.33mm
RS庫存編號 166-0935
製造零件編號HTS221TR
HK$19.105
個 (在毎卷:8000)
單位
Temperature & Humidity Digital Analogue ± 0.5 (Temperature) °C, ± 3.5 (Humidity) % Surface Mount 6 -40 °C -40 → +120 °C +120 °C 1.7 V 3.6 V HLGA 2mm 0.9mm
RS庫存編號 578-825
製造零件編號STLM20W87F
HK$5.724
/個 (每包:5個)
單位
Temperature Voltage Analogue ±1.5°C Surface Mount 5 -55 °C -55 → +130 °C +130 °C 2.4 V 5.5 V SOT-323 2.2mm 1mm
RS庫存編號 686-4986
製造零件編號STLM75DS2F
HK$6.158
/個 (每包:5個)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 168-6406
製造零件編號STLM20DD9F
HK$4.513
個 (在毎卷:3000)
單位
Temperature Voltage Analogue ±1.5°C Surface Mount 4 -40 °C -40 → +85 °C +85 °C 2.4 V 5.5 V UDFN 1.3mm 0.48mm
RS庫存編號 168-6408
製造零件編號STLM75DS2F
HK$5.066
個 (在毎卷:1000)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 168-6407
製造零件編號STDS75DS2F
HK$5.654
個 (在毎卷:1000)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 686-4973
製造零件編號STLM20DD9F
HK$4.27
/個 (每包:5個)
單位
Temperature Voltage Analogue ±1.5°C Surface Mount 4 -40 °C -40 → +85 °C +85 °C 2.4 V 5.5 V UDFN 1.3mm 0.48mm
RS庫存編號 159-4685
製造零件編號LM335Z
HK$15.43
單位
Temperature Voltage Analogue ±5°C Through Hole 3 -40 °C -40 → +100 °C +100 °C 2.92 V 3.04 V TO-92 5mm 5.03mm
RS庫存編號 168-6042
製造零件編號LM335Z
HK$4.563
個 (以毎袋:2500)
單位
Temperature Voltage Analogue ±5°C Through Hole 3 -40 °C -40 → +100 °C +100 °C 2.92 V 3.04 V TO-92 5mm 5.03mm
RS庫存編號 103-1583
製造零件編號LM335AZ
HK$4.50
個 (以毎袋:2500)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 → +100 °C +100 °C 2.95 V 3.91 V TO-92 5mm 5mm
RS庫存編號 168-5835
製造零件編號STLM20W87F
HK$4.513
個 (在毎卷:3000)
單位
Temperature Voltage Analogue ±1.5°C Surface Mount 5 -55 °C -55 → +130 °C +130 °C 2.4 V 5.5 V SOT-323 2.2mm 1mm
RS庫存編號 168-5843
製造零件編號STTS75M2F
HK$6.691
個 (在毎卷:2500)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V SOIC 5mm 1.25mm
RS庫存編號 681-0406
製造零件編號STCN75DS2F
HK$9.72
/個 (每包:5個)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 165-7777
製造零件編號STCN75DS2F
HK$4.916
個 (在毎卷:1000)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 578-944
製造零件編號STTS75M2F
HK$9.106
/個 (每包:5個)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V SOIC 5mm 1.25mm
RS庫存編號 686-4982
製造零件編號STDS75DS2F
HK$6.144
/個 (每包:5個)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 714-7917
製造零件編號LM335AZ
HK$11.46
/個 (每包:5個)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 → +100 °C +100 °C 2.95 V 3.91 V TO-92 5mm 5mm