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Environmental Sensors

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Types of Environmental Sensors

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Part #

Air Quality Sensors RS485 Fluorescence Dissolved Oxygen Sensor (Freshwater)

SEN0680
DFRobot
1: $258.70
18In Stock
22On Order
New Product

Mfr. Part #
SEN0680

Mouser Part #
426-SEN0680

New Product

DFRobot

Air Quality Sensors RS485 Fluorescence Dissolved Oxygen Sensor (Freshwater)

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18In Stock

22On Order

$258.70

Min.: 1
Mult.: 1

Air Quality Sensors

10 VDC to 30 VDC

Air Quality Sensors 10.6eV - 0-100ppm detection range, 25ppb resolution - CE Certified Sensors

PID-10.6eV-100
Amphenol SGX Sensortech
1: $815.75
2In Stock
New Product

Mfr. Part #
PID-10.6eV-100

Mouser Part #
523-PID-10.6EV-100

New Product

Amphenol SGX Sensortech

Air Quality Sensors 10.6eV - 0-100ppm detection range, 25ppb resolution - CE Certified Sensors

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2In Stock

$815.75

$667.85

$649.14

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Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors 10.6eV - 0-10000ppm detection range, 2ppm resolution - ATEX and IECEx Certified Sensors

PID-10.6eV-10K-C
Amphenol SGX Sensortech
1: $791.82
1In Stock
New Product

Mfr. Part #
PID-10.6eV-10K-C

Mouser Part #
523-PID-10.6EV-10K-C

New Product

Amphenol SGX Sensortech

Air Quality Sensors 10.6eV - 0-10000ppm detection range, 2ppm resolution - ATEX and IECEx Certified Sensors

1In Stock

$791.82

$713.00

$667.03

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Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors Digital Infrared Gas Sensor - R290 (Propane) - Modbus RS485 5-24V with 230V relay

INIR7-R290-RS485-RL
Amphenol SGX Sensortech
1: $107.59
18In Stock
New Product

Mfr. Part #
INIR7-R290-RS485-RL

Mouser Part #
523-INIR7R290RS485RL

New Product

Amphenol SGX Sensortech

Air Quality Sensors Digital Infrared Gas Sensor - R290 (Propane) - Modbus RS485 5-24V with 230V relay

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Datasheet

18In Stock

$107.59

$97.46

$89.69

$82.06

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Min.: 1
Mult.: 1

Air Quality Sensors

11.4 VDC to 25.2 VDC

Air Quality Sensors PSD4-UART USB with 1m cable

PSD4-UART-USB
Amphenol SGX Sensortech
1: $192.65
3In Stock
New Product

Mfr. Part #
PSD4-UART-USB

Mouser Part #
523-PSD4-UART-USB

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4-UART USB with 1m cable

3In Stock

$192.65

$156.85

$151.72

$144.98

View

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors PSD4 Series Digital Solid Polymer Sensor CO 1000ppm

PSD4-CO-1000
Amphenol SGX Sensortech
1: $257.95
4In Stock
New Product

Mfr. Part #
PSD4-CO-1000

Mouser Part #
523-PSD4-CO-1000

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Digital Solid Polymer Sensor CO 1000ppm

Datasheet

4In Stock

$257.95

$220.36

$210.95

$205.04

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Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 12 V

Air Quality Sensors PSD4 Series Hydrogen Sulfide Digital Solid Polymer Sensor 100ppm

PSD4-H2S-100
Amphenol SGX Sensortech
1: $282.61
5In Stock
New Product

Mfr. Part #
PSD4-H2S-100

Mouser Part #
523-PSD4-H2S-100

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Hydrogen Sulfide Digital Solid Polymer Sensor 100ppm

Datasheet

5In Stock

$282.61

$238.42

$229.19

$222.79

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Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 12 V

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

SGX-C2H2-100
Amphenol SGX Sensortech
1: $202.38
3In Stock
New Product

Mfr. Part #
SGX-C2H2-100

Mouser Part #
523-SGX-C2H2-100

New Product

Amphenol SGX Sensortech

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

3In Stock

$202.38

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Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors 4 Series Electrochemical Ethylene Sensor 100ppm

SGX-C2H4-100
Amphenol SGX Sensortech
1: $202.38
2In Stock
1On Order
New Product

Mfr. Part #
SGX-C2H4-100

Mouser Part #
523-SGX-C2H4-100

New Product

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Ethylene Sensor 100ppm

Datasheet

2In Stock

1On Order

$202.38

$200.94

$199.77

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Min.: 1
Mult.: 1

Air Quality Sensors

5 V

Air Quality Sensors PCB board level Hydrogen + Carbon Monoxide leak detection sensor - I2C Output

BLD2-I2C-COMPACT
Amphenol SGX Sensortech
1: $60.23
10In Stock
New Product

Mfr. Part #
BLD2-I2C-COMPACT

Mouser Part #
523-BLD2-I2C-COMPACT

New Product

Amphenol SGX Sensortech

Air Quality Sensors PCB board level Hydrogen + Carbon Monoxide leak detection sensor - I2C Output

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Datasheet

10In Stock

$60.23

$51.81

$48.15

$42.85

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Min.: 1
Mult.: 1

Air Quality Sensors

4.5 V to 5.5 V

Air Quality Sensors PSD4 Series Nitrogen Dioxide Digital Solid Polymer Sensor 50ppm

PSD4-NO2-50
Amphenol SGX Sensortech
1: $289.39
5In Stock
New Product

Mfr. Part #
PSD4-NO2-50

Mouser Part #
523-PSD4-NO2-50

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Nitrogen Dioxide Digital Solid Polymer Sensor 50ppm

Datasheet

5In Stock

$289.39

$275.90

$270.28

$269.43

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Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 12 V

Air Quality Sensors PSD4 Series Ozone Digital Solid Polymer Sensor 100ppm

PSD4-O3-100
Amphenol SGX Sensortech
1: $278.11
4In Stock
New Product

Mfr. Part #
PSD4-O3-100

Mouser Part #
523-PSD4-O3-100

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Ozone Digital Solid Polymer Sensor 100ppm

Datasheet

4In Stock

$278.11

$278.10

View

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 12 V

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

SGX-PH3-20
Amphenol SGX Sensortech
1: $128.25
3In Stock
New Product

Mfr. Part #
SGX-PH3-20

Mouser Part #
523-SGX-PH3-20

New Product

Amphenol SGX Sensortech

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

Datasheet

3In Stock

$128.25

$121.94

$121.75

$120.67

View

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors PSD4 Series Oxygen Digital Solid Polymer Sensor 0-25%

PSD4-O2
Amphenol SGX Sensortech
1: $235.79
2In Stock
1Expected 8/20/2026
New Product

Mfr. Part #
PSD4-O2

Mouser Part #
523-PSD4-O2

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Oxygen Digital Solid Polymer Sensor 0-25%

Datasheet

2In Stock

1Expected 8/20/2026

$235.79

$228.50

$222.11

$220.34

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Min.: 1
Mult.: 1

Air Quality Sensors

5 V

Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Phosphine 2000ppm - UART

PS1-PH3-2000-MOD
Amphenol SGX Sensortech
1: $363.42
1In Stock
New Product

Mfr. Part #
PS1-PH3-2000-MOD

Mouser Part #
523-PS1-PH3-2000-MOD

New Product

Amphenol SGX Sensortech

Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Phosphine 2000ppm - UART

Datasheet

1In Stock

$363.42

$296.01

$282.59

$276.54

View

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 VDC to 5.5 VDC

Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm

PS4-H2-50K
Amphenol SGX Sensortech
1: $265.12
1In Stock
4Expected 8/26/2026
New Product

Mfr. Part #
PS4-H2-50K

Mouser Part #
523-PS4-H2-50K

New Product

Amphenol SGX Sensortech

Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm

Learn More

Datasheet

1In Stock

4Expected 8/26/2026

$265.12

$265.06

$240.45

$235.59

View

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors PSD4 Series Ammonia Digital Solid Polymer Sensor 100ppm

PSD4-NH3-100
Amphenol SGX Sensortech
1: $282.61
6In Stock
New Product

Mfr. Part #
PSD4-NH3-100

Mouser Part #
523-PSD4-NH3-100

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Ammonia Digital Solid Polymer Sensor 100ppm

Datasheet

6In Stock

$282.61

$235.79

$229.19

$222.79

View

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 12 V

Air Quality Sensors 4 Series Electrochemical Chlorine Dioxide 1ppm

SGX-CLO2-1
Amphenol SGX Sensortech
1: $155.91
5In Stock
New Product

Mfr. Part #
SGX-CLO2-1

Mouser Part #
523-SGX-CLO2-1

New Product

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Chlorine Dioxide 1ppm

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Datasheet

5In Stock

$155.91

$136.98

$127.82

$115.53

View

Min.: 1
Mult.: 1

Air Quality Sensors

5 V

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

SGX-H2S-1000
Amphenol SGX Sensortech
1: $46.84
9In Stock
New Product

Mfr. Part #
SGX-H2S-1000

Mouser Part #
523-SGX-H2S-1000

New Product

Amphenol SGX Sensortech

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

Learn More

Datasheet

9In Stock

$46.84

$41.55

$41.42

View

Min.: 1
Mult.: 1

Air Quality Sensors

2.5 V

Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen 50Kppm

PS1-H2-50K
Amphenol SGX Sensortech
1: $215.84
3In Stock
New Product

Mfr. Part #
PS1-H2-50K

Mouser Part #
523-PS1-H2-50K

New Product

Amphenol SGX Sensortech

Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen 50Kppm

3In Stock

$215.84

$176.29

$156.21

$152.57

View

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors PSD4 Series Hydrogen Digital Solid Polymer Sensor 1000ppm

PSD4-H2-1000
Amphenol SGX Sensortech
1: $341.04
5In Stock
New Product

Mfr. Part #
PSD4-H2-1000

Mouser Part #
523-PSD4-H2-1000

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Hydrogen Digital Solid Polymer Sensor 1000ppm

Datasheet

5In Stock

$341.04

$290.49

$278.10

$270.62

View

Min.: 1
Mult.: 1

Air Quality Sensors

3.3 V to 12 V

Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 5ppm

PSD4-HCHO-5
Amphenol SGX Sensortech
1: $370.80
5In Stock
New Product

Mfr. Part #
PSD4-HCHO-5

Mouser Part #
523-PSD4-HCHO-5

New Product

Amphenol SGX Sensortech

Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 5ppm

Datasheet

5In Stock

$370.80

$315.59

$300.16

$290.16

View

Min.: 1
Mult.: 1

Air Quality Sensors

5 V

Air Quality Sensors 4 Series Electrochemical Ozone sensor 5ppm

SGX-4O3-5
Amphenol SGX Sensortech
1: $143.16
2In Stock
New Product

Mfr. Part #
SGX-4O3-5

Mouser Part #
523-SGX-4O3-5

New Product

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Ozone sensor 5ppm

Learn More

Datasheet

2In Stock

$143.16

$118.89

$112.37

$109.93

View

Min.: 1
Mult.: 1

Air Quality Sensors

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

SGX-CH2O-50
Amphenol SGX Sensortech
1: $175.24
2In Stock
New Product

Mfr. Part #
SGX-CH2O-50

Mouser Part #
523-SGX-CH2O-50

New Product

Amphenol SGX Sensortech

Air Quality Sensors ELECTROCHEMICAL 4-SERIES

Datasheet

2In Stock

$175.24

$144.59

$141.67

$141.64

View

Min.: 1
Mult.: 1

Air Quality Sensors

2.5 V

Air Quality Sensors Digital Infrared Gas Sensor - CO2 - Modbus RS485 5-24V

INIR7-CO2-RS485
Amphenol SGX Sensortech
1: $100.79
5In Stock
New Product

Mfr. Part #
INIR7-CO2-RS485

Mouser Part #
523-INIR7-CO2-RS485

New Product

Amphenol SGX Sensortech

Air Quality Sensors Digital Infrared Gas Sensor - CO2 - Modbus RS485 5-24V

Datasheet

5In Stock

$100.79

$90.31

$83.99

$74.65

View

Min.: 1
Mult.: 1

Air Quality Sensors

4.5 VDC to 30 VDC

Environmental Sensors

Types of Environmental Sensors

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- 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