.hide-partial { max-height: none; } .show-more { display: none; }

Environmental Sensors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Environmental Sensors

List Images

Results: 1,471

Applied Filters:

Manufacturer

Product Type

Interface Type

Operating Supply Voltage

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Smoke Detectors Smoke Sensor Moldule(Mq2)

SRAQ-G004
L-Com
1: ¥2,199.2
4In Stock
New At Mouser

Mfr. Part #
SRAQ-G004

Mouser Part #
17-SRAQ-G004

New At Mouser

L-Com

Smoke Detectors Smoke Sensor Moldule(Mq2)

4In Stock

¥2,199.2

¥1,833.7

¥1,783.9

¥1,669.3

View

Min.: 1
Mult.: 1

Smoke Detectors

Air Quality Sensors H2 Sensor Module(Mq8), 50- 10000Ppm,

SRAQ-G013
L-Com
1: ¥2,435
4In Stock
New At Mouser

Mfr. Part #
SRAQ-G013

Mouser Part #
17-SRAQ-G013

New At Mouser

L-Com

Air Quality Sensors H2 Sensor Module(Mq8), 50- 10000Ppm,

4In Stock

¥2,435

¥2,053

¥1,908.5

¥1,730.8

View

Min.: 1
Mult.: 1

Air Quality Sensors

Smoke Detectors Smoke Transmitter With Cover

SRAQ-G107
L-Com
1: ¥5,262
3In Stock
New At Mouser

Mfr. Part #
SRAQ-G107

Mouser Part #
17-SRAQ-G107

New At Mouser

L-Com

Smoke Detectors Smoke Transmitter With Cover

3In Stock

¥5,262

¥4,825.2

¥4,662.4

¥4,468.1

View

Min.: 1
Mult.: 1

Smoke Detectors

Air Quality Sensors Oxygen Transmitter

OXY-FLEX-0-H
SST Sensing
1: ¥211,123.1
3In Stock
10Expected 9/21/2026

Mfr. Part #
OXY-FLEX-0-H

Mouser Part #
231-OXY-FLEX-0-H

SST Sensing

Air Quality Sensors Oxygen Transmitter

Learn More

Datasheet

3In Stock

10Expected 9/21/2026

¥211,123.1

¥193,857

Min.: 1
Mult.: 1

Air Quality Sensors

24 V

Humidity Sensors - Industrial Sentrius RS1xx 868MHz Temp / Humidity Sensor including LoRa & BLE

455-0002
Ezurio
1: ¥13,205
7In Stock
100Expected 11/4/2026

Mfr. Part #
455-0002

Mouser Part #
239-455-0002

Ezurio

Humidity Sensors - Industrial Sentrius RS1xx 868MHz Temp / Humidity Sensor including LoRa & BLE

Learn More

Datasheet

7In Stock

100Expected 11/4/2026

¥13,205

¥11,972.5

Min.: 1
Mult.: 1

Industrial Humidity Sensors

Board Mount Humidity Sensors High Accuracy, Industrial-grade digital relative humidity and temperature sensor, 2.5k

SHT41I-AD1B-R2
Sensirion
1: ¥546.5
312In Stock
5,000Expected 9/30/2026

Mfr. Part #
SHT41I-AD1B-R2

Mouser Part #
403-SHT41I-AD1B-R2

Sensirion

Board Mount Humidity Sensors High Accuracy, Industrial-grade digital relative humidity and temperature sensor, 2.5k

Learn More

Datasheet

312In Stock

5,000Expected 9/30/2026

Cut Tape

¥546.5

¥488.3

¥441.8

¥423.6

Reel

¥348.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Board Mount Humidity Sensors

I2C

Board Mount Humidity Sensors Humidity and Temperature Sensor

SHTC3
Sensirion
1: ¥450.1
19,105In Stock
19,800Expected 8/28/2026

Mfr. Part #
SHTC3

Mouser Part #
403-SHTC3

Sensirion

Board Mount Humidity Sensors Humidity and Temperature Sensor

Learn More

Datasheet

19,105In Stock

19,800Expected 8/28/2026

Cut Tape

¥450.1

¥378.7

¥358.8

¥297.3

View

Reel

¥209.3

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Board Mount Humidity Sensors

I2C

Humidity Sensors - Industrial Digital Temperature & Humidity Sensor (With Stainless Steel Probe)

SEN0148
DFRobot
1: ¥4,900
5In Stock

Mfr. Part #
SEN0148

Mouser Part #
426-SEN0148

DFRobot

Humidity Sensors - Industrial Digital Temperature & Humidity Sensor (With Stainless Steel Probe)

5In Stock

¥4,900

Min.: 1
Mult.: 1

Industrial Humidity Sensors

Air Quality Sensors Fermion: SGP40 VOC Air Quality Sensor - Smart IAQ Monitoring (Breakout)

SEN0392
DFRobot
1: ¥2,408.5
30In Stock

Mfr. Part #
SEN0392

Mouser Part #
426-SEN0392

DFRobot

Air Quality Sensors Fermion: SGP40 VOC Air Quality Sensor - Smart IAQ Monitoring (Breakout)

Learn More

Datasheet

30In Stock

¥2,408.5

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 5 V

Air Quality Sensors Gravity: SGP40 Air Quality Sensor

SEN0394
DFRobot
1: ¥2,308.8
6In Stock

Mfr. Part #
SEN0394

Mouser Part #
426-SEN0394

DFRobot

Air Quality Sensors Gravity: SGP40 Air Quality Sensor

Learn More

Datasheet

6In Stock

¥2,308.8

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 5 V

Air Quality Sensors Indoor ENS160 Air Quality Sensor - I2C

SEN0537
DFRobot
1: ¥4,966.4
1In Stock
4On Order

Mfr. Part #
SEN0537

Mouser Part #
426-SEN0537

DFRobot

Air Quality Sensors Indoor ENS160 Air Quality Sensor - I2C

1In Stock

4On Order

¥4,966.4

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)

SEN0563
DFRobot
1: ¥813.9
28In Stock

Mfr. Part #
SEN0563

Mouser Part #
426-SEN0563

DFRobot

Air Quality Sensors Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)

28In Stock

¥813.9

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)

SEN0564
DFRobot
1: ¥813.9
9In Stock
50Expected 10/6/2026

Mfr. Part #
SEN0564

Mouser Part #
426-SEN0564

DFRobot

Air Quality Sensors Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)

9In Stock

50Expected 10/6/2026

¥813.9

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors Fermion: VOC Gas Sensor Volatile Organic Compounds Detector (Breakout, 1-500ppm, MEMS)

SEN0566
DFRobot
1: ¥813.9
13In Stock

Mfr. Part #
SEN0566

Mouser Part #
426-SEN0566

DFRobot

Air Quality Sensors Fermion: VOC Gas Sensor Volatile Organic Compounds Detector (Breakout, 1-500ppm, MEMS)

13In Stock

¥813.9

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor (Breakout, 0.1-10ppm)

SEN0574
DFRobot
1: ¥1,245.8
2In Stock
24Expected 9/9/2026

Mfr. Part #
SEN0574

Mouser Part #
426-SEN0574

DFRobot

Air Quality Sensors Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor (Breakout, 0.1-10ppm)

2In Stock

24Expected 9/9/2026

¥1,245.8

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors PM2.5 Air Quality Sensor with I2C Interface - PMSA003I

4505
Adafruit
1: ¥6,635.7
6In Stock

Mfr. Part #
4505

Mouser Part #
485-4505

Adafruit

Air Quality Sensors PM2.5 Air Quality Sensor with I2C Interface - PMSA003I

6In Stock

¥6,635.7

Min.: 1
Mult.: 1

Air Quality Sensors

5 V

Air Quality Sensors HYDROGEN LEAK DETECT SENSOR

SGX-BLD1
Amphenol SGX Sensortech
1: ¥5,793.6
33In Stock
38Expected 10/21/2026

Mfr. Part #
SGX-BLD1

Mouser Part #
523-BLD01

Amphenol SGX Sensortech

Air Quality Sensors HYDROGEN LEAK DETECT SENSOR

Learn More

Datasheet

33In Stock

38Expected 10/21/2026

¥5,793.6

¥5,320.2

¥5,142.5

¥4,931.5

View

Min.: 1
Mult.: 1

Air Quality Sensors

9 V to 18 V

Air Quality Sensors Hydrogen and Carbon Monoxide leak detection sensor - CAN - 9-18V supply - IP6K7 Waterproof housing. Without Delphi clip. 0-16% H2 range

SGX-BLD2
Amphenol SGX Sensortech
1: ¥5,918.1
28In Stock

Mfr. Part #
SGX-BLD2

Mouser Part #
523-BLD02

Amphenol SGX Sensortech

Air Quality Sensors Hydrogen and Carbon Monoxide leak detection sensor - CAN - 9-18V supply - IP6K7 Waterproof housing. Without Delphi clip. 0-16% H2 range

Learn More

Datasheet

28In Stock

¥5,918.1

¥5,433.1

¥5,252.1

¥5,036.2

View

Min.: 1
Mult.: 1

Air Quality Sensors

9 V to 18 V

Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Butane (R600) - 0-1.8%(EX-d)

INIR2-BU1.8
Amphenol SGX Sensortech
1: ¥30,369.7
3In Stock

Mfr. Part #
INIR2-BU1.8

Mouser Part #
523-INIR2-BU1.8

Amphenol SGX Sensortech

Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Butane (R600) - 0-1.8%(EX-d)

Learn More

Datasheet

3In Stock

¥30,369.7

¥28,368.2

¥27,622.4

¥26,728.8

¥26,117.6

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V

Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-100%(Ex-d)

INIR2-CD100
Amphenol SGX Sensortech
1: ¥27,730.4
8In Stock

Mfr. Part #
INIR2-CD100

Mouser Part #
523-INIR2-CD100

Amphenol SGX Sensortech

Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-100%(Ex-d)

Learn More

Datasheet

8In Stock

¥27,730.4

¥25,880

¥25,190.7

¥24,729

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V

Air Quality Sensors 19mm 100% volume CO2 Infrared Gas Sensor

IR11BR
Amphenol SGX Sensortech
1: ¥33,406
2In Stock

Mfr. Part #
IR11BR

Mouser Part #
523-IR11BR

Amphenol SGX Sensortech

Air Quality Sensors 19mm 100% volume CO2 Infrared Gas Sensor

Learn More

Datasheet

2In Stock

¥33,406

¥31,020.8

¥29,745.2

¥29,741.9

Min.: 1
Mult.: 1

Air Quality Sensors

3 V to 5 V

Air Quality Sensors 19mmHydCarInfrGasSen 0-5%/0-100%VTempIC

IR12GJ
Amphenol SGX Sensortech
1: ¥37,271.2
2In Stock

Mfr. Part #
IR12GJ

Mouser Part #
523-IR12GJ

Amphenol SGX Sensortech

Air Quality Sensors 19mmHydCarInfrGasSen 0-5%/0-100%VTempIC

Learn More

Datasheet

2In Stock

¥37,271.2

¥28,105.8

¥26,687.3

¥26,061.1

View

Min.: 1
Mult.: 1

Air Quality Sensors

3 V to 5 V

Air Quality Sensors Srs 2 19mm 0-2%CO2 0-5%/100%BB IRSensor

IR25TT
Amphenol SGX Sensortech
1: ¥58,277.8
22In Stock

Mfr. Part #
IR25TT

Mouser Part #
523-IR25TT

Amphenol SGX Sensortech

Air Quality Sensors Srs 2 19mm 0-2%CO2 0-5%/100%BB IRSensor

Learn More

Datasheet

22In Stock

¥58,277.8

¥51,301.6

¥45,699.1

¥41,729.3

Quote

Min.: 1
Mult.: 1

Air Quality Sensors

3 V to 5 V

Air Quality Sensors MOS Oxidizing Gases

MICS-2714
Amphenol SGX Sensortech
1: ¥1,285.6
74In Stock

Mfr. Part #
MICS-2714

Mouser Part #
523-MICS-2714

Amphenol SGX Sensortech

Air Quality Sensors MOS Oxidizing Gases

Learn More

Datasheet

74In Stock

¥1,285.6

¥1,159.4

¥1,112.9

¥1,056.4

View

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors MOS Ammonia Sensor

MICS-5914
Amphenol SGX Sensortech
1: ¥1,380.3
114In Stock

Mfr. Part #
MICS-5914

Mouser Part #
523-MICS-5914

Amphenol SGX Sensortech

Air Quality Sensors MOS Ammonia Sensor

Learn More

Datasheet

114In Stock

¥1,380.3

¥1,247.4

¥1,197.6

¥1,137.8

View

Min.: 1
Mult.: 1

Air Quality Sensors

Adafruit
Advantech
Allegro MicroSystems
Alps Alpine
Amphenol
AMSECO
Analog Devices Inc.
Asahi Kasei Microdevices
Banner Engineering
Bosch
Bourns
Bridgetek
Carlo Gavazzi
DFRobot
Dynament
Eaton
Extech
Ezurio
Hammond
Honeywell
Infineon
Innovative Sensor Technology
KEMET
L-Com
M5Stack
Microchip
Mikroe
Monnit
MSA Safety
MultiTech
Murata
Omron
Renesas Electronics
Schneider Electric
ScioSense
Seeed Studio
Sensata
Senseair
Sensirion
Sensore Electronic
Sharp Microelectronics
Silicon Labs
Soldered
SparkFun Electronics
SST Sensing
TDK
TE Connectivity
Terabee
Texas Instruments
Tripp Lite
Vishay
Wurth Elektronik

- 10 uV to 10 uV
750 mV
900 mV
1.03 V to 1.82 V
1.3 V
1.48 V to 2.05 V
1.7 V to 3.6 V
1.71 V to 3.6 V
1.75 V to 3.6 V
1.8 V
1.8 V to 3.6 V
2 V
2 V to 3.6 V
2 V to 3.8 V
2 VDC to 3.8 VDC
2.1 V to 3.6 V
2.4 V to 2.6 V
2.5 V
2.7 V to 5.5 V, 6 V to 12 V
2.9 V to 3.1 V