About Environmental Sensors

Environmental Sensors

Environmental sensors are electronic components designed to monitor and measure various environmental factors such as temperature, humidity, air quality, light intensity, and sound levels. They are used to collect data about the surrounding environment which is then processed and analyzed to provide valuable insights and make informed decisions.These sensors play a crucial role in ensuring the optimum performance and longevity of electronic components. For instance, temperature sensors detect any changes in the temperature, which is vital in preventing overheating and potential damage to the electronic components.Similarly, humidity sensors monitor the level of moisture in the air, preventing corrosion and other damage to the electronic parts. Light sensors adjust the brightness of display screens, while sound sensors detect noise pollution and prevent damage to sensitive components.Overall, environmental sensors are essential in maintaining the reliability, efficiency, and safety of electronic components, making them vital in various industries such as manufacturing, healthcare, and transportation.

Environmental Sensors

Air Quality Sensors

Board Mount Humidity Sensors

Industrial Humidity Sensors

Smoke Detectors

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Image	Stock Code(▲▼)	Description	Manufacturer	Global Stock ⓘ (▲▼)	Price(USD) (Ex. GST)(▲▼)	Enter Qty

SY1B

100ppm~10000ppm Volatile gas Plugin Gas Sensors ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Saiya Sensor

Availability : 88
Ship by Fri. 29 Aug to Wed. 03 Sep

September 2025

September 2025
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USD 1.0706

Multiples of: 1

CHTA30IW

Humidity Sensors Through Hole,12.13x5.8x15.13mm RoHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

CYBERSEN

Availability : 0
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USD 0.9471

Multiples of: 1

RE46C152E16F

Smoke Detectors ION SMOKE DET IC W/TEMP OR CONT TIMER

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 0.9545

Multiples of: 775

OKY3456

Sensor: humidity; analog, digital; 3.3÷5VDC; IC: HR202,LM393

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OKYSTAR

Availability : 0
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USD 1.0149

Multiples of: 1

RE46C145E16F

Smoke Detectors PHOTO SMOKE DET IC W/TEMP TIMER

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.0149

Multiples of: 810

RE46C145S16F

Smoke Detectors PHOTO SMOKE DET IC W/TEMP TIMER

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.0149

Multiples of: 850

RE46C162E16F

Smoke Detectors Ion S.D. IC w/Alarm Mem Temp.

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.0213

Multiples of: 750

OKY3056

Sensor: flame; infrared; analog, digital; 3.3÷5VDC; IC: LM393; 60°

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OKYSTAR

Availability : 0
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USD 1.0607

Multiples of: 1

RE46C127E16F

Smoke Detectors ION SMOKE DET IC W/CONT INTRCONN TIMR

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.0679

Multiples of: 700

OKY3105-1

Sensor: ambient light; resistance; analog, digital; 3.3÷5VDC

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OKYSTAR

Availability : 0
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USD 1.105

Multiples of: 1

RE46C165SW16F

Smoke Detectors PHOTO SMOKE DET IC w/Alarm Mem Temp.

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.139

Multiples of: 47

RE46C166S16F

Microchip Technology Smoke Detectors Photo S.D IC wAlarm Mem Cont.

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.1474

Multiples of: 650

RE46C180S16TF

Smoke Detectors E-CAL ION S.D.

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.1556

Multiples of: 1

RE46C140SW16F

Smoke Detectors PHOTO SMOKE DET IC W/TEMP TIMER

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip

Availability : 0
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USD 1.2224

Multiples of: 705

1-101484-01

Sensor: temperature and humidity; Range: 0÷100% RH; 1.62÷1.98VDC

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Sensirion

Availability : 0
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USD 1.2902

Multiples of: 5

10142048-02

Board Mount Humidity Sensors HTU31D I.C 31D RHT DIGITAL R5000

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TE Connectivity

Availability : 0
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USD 1.3359

Multiples of: 1

DHT22

Plugin Temperature and Humidity Sensor ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

HAIGU

Availability : 0
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USD 1.3386

Multiples of: 1

DHT21

Plugin Temperature and Humidity Sensor ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

HAIGU

Availability : 0
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USD 1.3386

Multiples of: 1

SI7022-A10-IM

Board Mount Humidity Sensors Digital RH ( 4% max) & temperature sensor, industrial grade, PWM output

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Silicon Labs

Availability : 0
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USD 1.3471

Multiples of: 1

SI7007-A20-IMR

Board Mount Humidity Sensors Digital RH ( 5% max) & temperature sensor, industrial grade, PWM output

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Silicon Labs

Availability : 0
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USD 1.4496

Multiples of: 2500