Mga Air Quality Sensor – Mouser Philippines

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SGX-4x Electrochemical Sensors

Amphenol SGX Sensortech SGX-4x Electrochemical Sensors are available in a broad range of sensing types for industrial and commercial gas applications. These air quality sensors allow instrument manufacturers a greater choice when selecting sensors for carbon monoxide (CO), hydrogen sulfide (H₂S), oxygen (O₂), ammonia (NH₃), chlorine (Cl₂), multi-gas nitric oxide (NO), nitrogen dioxide (NO₂), and sulfur dioxide (SO₂). These sensors have a minimum operating temperature of -40°C, -30°C, or -20°C, and a maximum operating temperature of +50°C or +60°C. Amphenol SGX Sensortech SGX-4x Electrochemical Sensors are available in 20mm industrial standard packages and act as drop-in replacements for existing sensor types in this size.

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Mga Resulta: 25

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Saklaw ng Pagsukat - Min

Saklaw ng Pagsukat - Max

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Supply Voltage - Max

Minimum na Operating Temperature

Maximum na Operating Temperature

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May Stock

Karaniwang May Stock

Aktibo

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Sumusunod sa RoHS

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# ng Piyesa

Air Quality Sensors 4 Series Electrochemical Ozone Sensor 20ppm

SGX-4O3-20
Amphenol SGX Sensortech
1: ₱5,830.16
8May Stock

Mfr. # ng Piyesa
SGX-4O3-20

# ng Piyesa ng Mouser
523-SGX-4O3-20

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Ozone Sensor 20ppm

Alamin Pa

Datasheet

8May Stock

₱5,830.16

₱4,917.24

₱4,570.40

₱3,995.04

Tingnan

Min.: 1
Mult.: 1

Gas Sensor

Ozone (O3)

- 30 C

+ 50 C

Air Quality Sensors 4 Series Electrochemical Fluorine 5ppm

SGX-F2-5
Amphenol SGX Sensortech
1: ₱14,401.98
9May Stock

Mfr. # ng Piyesa
SGX-F2-5

# ng Piyesa ng Mouser
523-SGX-F2-5

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Fluorine 5ppm

Alamin Pa

Datasheet

9May Stock

₱14,401.98

₱12,151.00

₱11,292.02

₱10,351.84

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Fluorine

0 PPM

5 PPM

Analog

- 20 C

+ 40 C

Electro-Chemical

Air Quality Sensors 4 Series Electrochemical Bromine 5ppm

SGX-BR2-5
Amphenol SGX Sensortech
1: ₱14,401.40
23May Stock

Mfr. # ng Piyesa
SGX-BR2-5

# ng Piyesa ng Mouser
523-SGX-BR2-5

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Bromine 5ppm

Alamin Pa

Datasheet

23May Stock

₱14,401.40

₱12,150.42

₱11,291.44

₱10,351.84

₱10,208.00

Min.: 1
Mult.: 1

Gas Sensor

Multi-Gas

- 20 C

+ 40 C

Air Quality Sensors 4 Series Ammonia Sensor - 300ppm

SGX-4NH3-300
Amphenol SGX Sensortech
1: ₱7,815.50
1May Stock

Mfr. # ng Piyesa
SGX-4NH3-300

# ng Piyesa ng Mouser
523-SGX-4NH3-300

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Ammonia Sensor - 300ppm

Alamin Pa

Datasheet

1May Stock

₱7,815.50

₱6,800.50

₱6,454.24

₱6,171.78

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Ammonia

0 PPM

300 PPM

Analog

- 40 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series NO2 Sensor 2 Electrode - 20ppm

SGX-4NO2-2E
Amphenol SGX Sensortech
1: ₱3,919.64
6May Stock

Mfr. # ng Piyesa
SGX-4NO2-2E

# ng Piyesa ng Mouser
523-SGX-4NO2-2E

Amphenol SGX Sensortech

Air Quality Sensors 4 Series NO2 Sensor 2 Electrode - 20ppm

Alamin Pa

Datasheet

6May Stock

₱3,919.64

₱3,306.58

₱3,072.84

₱2,789.22

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Nitrogen Dioxide

0 PPM

20 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series CO Sensor - 1,000ppm

SGX-4CO-LC
Amphenol SGX Sensortech
1: ₱2,768.92
10May Stock

Mfr. # ng Piyesa
SGX-4CO-LC

# ng Piyesa ng Mouser
523-SGX-4CO-LC

Amphenol SGX Sensortech

Air Quality Sensors 4 Series CO Sensor - 1,000ppm

Alamin Pa

Datasheet

10May Stock

₱2,768.92

₱2,334.50

₱2,169.78

₱1,969.68

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Carbon Monoxide

0 PPM

1000 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series High Conc CO Sensor - 10000ppm

SGX-4CO-10K
Amphenol SGX Sensortech
1: ₱5,338.90
6May Stock

Mfr. # ng Piyesa
SGX-4CO-10K

# ng Piyesa ng Mouser
523-SGX-4CO-10K

Amphenol SGX Sensortech

Air Quality Sensors 4 Series High Conc CO Sensor - 10000ppm

Alamin Pa

Datasheet

6May Stock

₱5,338.90

₱4,503.70

₱4,185.28

₱3,799.58

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Carbon Monoxide

0 PPM

10000 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Dual-Tox Sensor-500ppm/200ppm

SGX-4DT
Amphenol SGX Sensortech
1: ₱4,666.68
2May Stock

Mfr. # ng Piyesa
SGX-4DT

# ng Piyesa ng Mouser
523-SGX-4DT

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Dual-Tox Sensor-500ppm/200ppm

Alamin Pa

Datasheet

2May Stock

₱4,666.68

₱3,936.46

₱3,658.06

₱3,320.50

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Carbon Monoxide + Hydrogen Sulfide

0 PPM

500 PPM, 200 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series ETO Gas Sensor 20ppm

SGX-4ETO
Amphenol SGX Sensortech
1: ₱4,674.22
14May Stock

Mfr. # ng Piyesa
SGX-4ETO

# ng Piyesa ng Mouser
523-SGX-4ETO

Amphenol SGX Sensortech

Air Quality Sensors 4 Series ETO Gas Sensor 20ppm

Alamin Pa

Datasheet

14May Stock

₱4,674.22

₱4,284.46

₱2,498.06

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Ethylene Oxide

0 PPM

20 PPM

Analog

- 20 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Electrochemical Hydrogen Fluoride 10ppm

SGX-HF-10
Amphenol SGX Sensortech
1: ₱8,836.30
9May Stock

Mfr. # ng Piyesa
SGX-HF-10

# ng Piyesa ng Mouser
523-SGX-HF-10

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Hydrogen Fluoride 10ppm

Alamin Pa

Datasheet

9May Stock

₱8,836.30

₱8,835.14

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Hydrogen Fluoride

0 PPM

10 PPM

Analog

- 20 C

+ 55 C

Electro-Chemical

Air Quality Sensors 4 Series Ammonia Sensor - 1000ppm

SGX-4NH3-1000
Amphenol SGX Sensortech
1: ₱7,815.50
45May Stock

Mfr. # ng Piyesa
SGX-4NH3-1000

# ng Piyesa ng Mouser
523-SGX-4NH3-1000

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Ammonia Sensor - 1000ppm

Alamin Pa

Datasheet

45May Stock

₱7,815.50

₱6,591.70

₱6,127.12

₱5,562.20

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Ammonia

0 PPM

1000 PPM

Analog

- 40 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm

SGX-4SO2
Amphenol SGX Sensortech
1: ₱6,992.48
37May Stock

Mfr. # ng Piyesa
SGX-4SO2

# ng Piyesa ng Mouser
523-SGX-4SO2

Amphenol SGX Sensortech

Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm

Alamin Pa

Datasheet

37May Stock

₱6,992.48

₱5,898.02

₱5,482.16

₱4,976.40

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Sulfur Dioxide

0 PPM

20 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm

SGX-HCL-30
Amphenol SGX Sensortech
1: ₱17,364.62
2May Stock

Mfr. # ng Piyesa
SGX-HCL-30

# ng Piyesa ng Mouser
523-SGX-HCL-30

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm

Alamin Pa

Datasheet

2May Stock

₱17,364.62

₱16,300.32

₱14,604.40

₱14,464.62

Tingnan

Min.: 1
Mult.: 1

Gas Sensor

Multi-Gas

- 20 C

+ 40 C

Air Quality Sensors 4 Series CL2 Gas Sensor - 10ppm

SGX-4CL2
Amphenol SGX Sensortech
1: ₱7,815.50
5May Stock

Mfr. # ng Piyesa
SGX-4CL2

# ng Piyesa ng Mouser
523-SGX-4CL2

Amphenol SGX Sensortech

Air Quality Sensors 4 Series CL2 Gas Sensor - 10ppm

Alamin Pa

Datasheet

5May Stock

₱7,815.50

₱6,591.70

₱6,127.12

₱5,562.20

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Chlorine

0 PPM

10 PPM

Analog

- 20 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series CO Sensor 1,000ppm

SGX-4CO
Amphenol SGX Sensortech
1: ₱2,082.78
10May Stock

Mfr. # ng Piyesa
SGX-4CO

# ng Piyesa ng Mouser
523-SGX-4CO

Amphenol SGX Sensortech

Air Quality Sensors 4 Series CO Sensor 1,000ppm

Alamin Pa

10May Stock

₱2,082.78

₱1,913.42

₱1,912.84

₱1,738.84

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Carbon Monoxide

0 PPM

2000 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series H2S Sensor - 100ppm

SGX-4H2S-100
Amphenol SGX Sensortech
1: ₱2,517.20
33May Stock

Mfr. # ng Piyesa
SGX-4H2S-100

# ng Piyesa ng Mouser
523-SGX-4H2S-100

Amphenol SGX Sensortech

Air Quality Sensors 4 Series H2S Sensor - 100ppm

Alamin Pa

Datasheet

33May Stock

₱2,517.20

₱2,317.10

₱2,242.86

₱2,153.54

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Hydrogen Sulfide

0 PPM

100 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series NO Gas Sensor - 250ppm

SGX-4NO-250
Amphenol SGX Sensortech
1: ₱7,815.50
5May Stock

Mfr. # ng Piyesa
SGX-4NO-250

# ng Piyesa ng Mouser
523-SGX-4NO-250

Amphenol SGX Sensortech

Air Quality Sensors 4 Series NO Gas Sensor - 250ppm

Alamin Pa

Datasheet

5May Stock

₱7,815.50

₱6,591.70

₱6,127.12

₱5,562.20

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Nitric Oxide

0 PPM

250 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Lead free O2 Sensor,>5years

SGX-4OX-ROHS
Amphenol SGX Sensortech
1: ₱3,063.56
12May Stock

Mfr. # ng Piyesa
SGX-4OX-ROHS

# ng Piyesa ng Mouser
523-SGX-4OX-ROHS

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Lead free O2 Sensor,>5years

Alamin Pa

Datasheet

12May Stock

₱3,063.56

₱2,877.96

₱2,824.02

₱2,661.62

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Oxygen

0 %

25 %

Analog

- 40 C

+ 60 C

Electro-Chemical

Air Quality Sensors MEMS Pellistor Gas Sensor, 0-5% volume Flammable Gases, Hazardous Area safe (ATEX certified), Flameproof enclosure Sensing(EX-da certified), with pins

MP7227-R
Amphenol SGX Sensortech
1: ₱3,295.56
1May Stock

Mfr. # ng Piyesa
MP7227-R

# ng Piyesa ng Mouser
523-MP7227-R

Amphenol SGX Sensortech

Air Quality Sensors MEMS Pellistor Gas Sensor, 0-5% volume Flammable Gases, Hazardous Area safe (ATEX certified), Flameproof enclosure Sensing(EX-da certified), with pins

Alamin Pa

Datasheet

1May Stock

₱3,295.56

₱2,775.30

₱2,665.68

₱2,665.10

Tingnan

Min.: 1
Mult.: 1

MEMS Pellistor

Flammable

0 %

5 %

Analog

1.6 V

3.2 V

- 20 C

+ 60 C

MP7227 Series

Air Quality Sensors 4 Series Oxygen Sensor 25% 2 yr life

SGX-4OX
Amphenol SGX Sensortech
1: ₱1,897.18
6May Stock
100Inaasahan 3/19/2026

Mfr. # ng Piyesa
SGX-4OX

# ng Piyesa ng Mouser
523-SGX-4OX

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Oxygen Sensor 25% 2 yr life

Alamin Pa

Datasheet

6May Stock

100Inaasahan 3/19/2026

₱1,897.18

₱1,741.16

₱1,580.50

₱1,553.82

Tingnan

Min.: 1
Mult.: 1

Hindi

Electrochemical 4-series

Oxygen

0 %

25 %

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 ser O2 sens 0-25% 3 year life

SGX-4OX-EL
Amphenol SGX Sensortech
1: ₱3,215.52
15May Stock

Mfr. # ng Piyesa
SGX-4OX-EL

# ng Piyesa ng Mouser
523-SGX-4OX-EL

Amphenol SGX Sensortech

Air Quality Sensors 4 ser O2 sens 0-25% 3 year life

Alamin Pa

Datasheet

15May Stock

₱3,215.52

₱2,967.86

₱2,765.44

₱2,690.04

Tingnan

Min.: 1
Mult.: 1

Hindi

Electrochemical 4-series

Oxygen

0 %

25 %

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Ammonia Sensor - 100ppm

SGX-4NH3-100
Amphenol SGX Sensortech
1: ₱4,216.02
27Inaasahan 2/18/2026

Mfr. # ng Piyesa
SGX-4NH3-100

# ng Piyesa ng Mouser
523-SGX-4NH3-100

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Ammonia Sensor - 100ppm

Alamin Pa

Datasheet

27Inaasahan 2/18/2026

₱4,216.02

₱3,902.24

₱3,785.66

₱3,645.88

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Ammonia

0 PPM

100 PPM

Analog

- 40 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Electrochemical Hydrogen Sulfide sensor 300ppm

SGX-4H2S-300
Amphenol SGX Sensortech
1: ₱3,053.70
5Inaasahan 2/18/2026

Mfr. # ng Piyesa
SGX-4H2S-300

# ng Piyesa ng Mouser
523-SGX-4H2S-300

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Electrochemical Hydrogen Sulfide sensor 300ppm

Alamin Pa

Datasheet

5Inaasahan 2/18/2026

₱3,053.70

₱2,630.88

₱2,274.76

₱2,219.08

Tingnan

Min.: 1
Mult.: 1

Electro-Chemical

H2S

0 PPM

300 PPM

Analog

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series Nitrogen Dioxide Sensor-30ppm

SGX-4NO2
Amphenol SGX Sensortech
1: ₱3,703.30
Lead-Time para sa Hindi Naka-stock 4 (na) Linggo

Mfr. # ng Piyesa
SGX-4NO2

# ng Piyesa ng Mouser
523-SGX-4NO2

Amphenol SGX Sensortech

Air Quality Sensors 4 Series Nitrogen Dioxide Sensor-30ppm

Alamin Pa

Datasheet

Lead-Time para sa Hindi Naka-stock 4 (na) Linggo

₱3,703.30

₱3,218.42

₱2,758.48

₱2,567.66

Tingnan

Min.: 1
Mult.: 1

Electrochemical 4-series

Nitrogen Dioxide

0 PPM

30 PPM

Analog

1.3 V

- 30 C

+ 50 C

Electro-Chemical

Air Quality Sensors 4 Series H2S sensor - 100ppm

SGX-4H2S
Amphenol SGX Sensortech
1: ₱2,888.40
N/A

Mfr. # ng Piyesa
SGX-4H2S

# ng Piyesa ng Mouser
523-SGX-4H2S

Amphenol SGX Sensortech

Air Quality Sensors 4 Series H2S sensor - 100ppm

Alamin Pa

Datasheet

N/A

₱2,888.40

₱2,435.42

₱2,132.08

₱2,089.16

Tingnan

Min.: 1
Mult.: 1

Gas Sensor

Hydrogen Sulfide (H2S)

- 30 C

+ 50 C

SGX-4x Electrochemical Sensors

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