Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm
SGX-4SO2
Amphenol SGX Sensortech
1:
€78.07
33 In Stock
Mouser Part No
523-SGX-4SO2
Amphenol SGX Sensortech
Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm
33 In Stock
1
€78.07
5
€74.02
10
€71.87
25
€71.80
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Sulfur Dioxide
0 PPM
20 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Electrochemical Ozone Sensor 20ppm
SGX-4O3-20
Amphenol SGX Sensortech
1:
€99.20
2 In Stock
20 Expected 23/07/2026
Mouser Part No
523-SGX-4O3-20
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Ozone Sensor 20ppm
2 In Stock
20 Expected 23/07/2026
1
€99.20
5
€88.18
10
€71.23
20
€67.91
60
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60
€65.28
100
€62.91
260
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Min.: 1
Mult.: 1
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Gas Sensor
Ozone (O3)
- 30 C
+ 50 C
Air Quality Sensors 4 Series High Conc CO Sensor - 10000ppm
SGX-4CO-10K
Amphenol SGX Sensortech
1:
€79.16
6 In Stock
Mouser Part No
523-SGX-4CO-10K
Amphenol SGX Sensortech
Air Quality Sensors 4 Series High Conc CO Sensor - 10000ppm
6 In Stock
1
€79.16
5
€66.78
10
€50.41
100
€50.27
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Min.: 1
Mult.: 1
Details
Electrochemical 4-series
Carbon Monoxide
0 PPM
10000 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Ammonia Sensor - 300ppm
SGX-4NH3-300
Amphenol SGX Sensortech
1:
€117.36
1 In Stock
Mouser Part No
523-SGX-4NH3-300
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Ammonia Sensor - 300ppm
1 In Stock
1
€117.36
5
€98.93
10
€76.40
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Min.: 1
Mult.: 1
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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
360°
+3 images
SGX-4NO2-2E
Amphenol SGX Sensortech
1:
€58.12
6 In Stock
Mouser Part No
523-SGX-4NO2-2E
Amphenol SGX Sensortech
Air Quality Sensors 4 Series NO2 Sensor 2 Electrode - 20ppm
6 In Stock
1
€58.12
5
€56.80
10
€37.11
100
€36.19
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Min.: 1
Mult.: 1
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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:
€49.97
9 In Stock
Mouser Part No
523-SGX-4CO-LC
Amphenol SGX Sensortech
Air Quality Sensors 4 Series CO Sensor - 1,000ppm
9 In Stock
1
€49.97
5
€47.99
10
€25.46
100
€24.13
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Carbon Monoxide
0 PPM
1000 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series ETO Gas Sensor 20ppm
SGX-4ETO
Amphenol SGX Sensortech
1:
€95.38
14 In Stock
Mouser Part No
523-SGX-4ETO
Amphenol SGX Sensortech
Air Quality Sensors 4 Series ETO Gas Sensor 20ppm
14 In Stock
1
€95.38
5
€87.61
10
€76.40
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Ethylene Oxide
0 PPM
20 PPM
Analog
- 20 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Nitrogen Dioxide Sensor-30ppm
360°
+3 images
SGX-4NO2
Amphenol SGX Sensortech
1:
€38.99
29 In Stock
Mouser Part No
523-SGX-4NO2
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Nitrogen Dioxide Sensor-30ppm
29 In Stock
1
€38.99
5
€35.91
10
€34.72
20
€34.19
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Min.: 1
Mult.: 1
Details
Electrochemical 4-series
Nitrogen Dioxide
0 PPM
30 PPM
Analog
1.3 V
- 30 C
+ 50 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:
€40.02
19 In Stock
Mouser Part No
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
19 In Stock
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Mult.: 1
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MEMS Pellistor
Flammable
0 %
5 %
Analog
1.6 V
3.2 V
- 20 C
+ 60 C
MP7227 Series
Air Quality Sensors 4 Series Electrochemical Fluorine 5ppm
SGX-F2-5
Amphenol SGX Sensortech
1:
€225.95
9 In Stock
Mouser Part No
523-SGX-F2-5
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Fluorine 5ppm
9 In Stock
1
€225.95
5
€211.89
10
€207.42
20
€181.93
60
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60
€181.59
100
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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:
€225.86
23 In Stock
Mouser Part No
523-SGX-BR2-5
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Bromine 5ppm
23 In Stock
1
€225.86
5
€211.58
10
€206.59
20
€206.57
100
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100
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Gas Sensor
Multi-Gas
- 20 C
+ 40 C
Air Quality Sensors 4 Series Ammonia Sensor - 100ppm
SGX-4NH3-100
Amphenol SGX Sensortech
1:
€62.51
53 In Stock
Mouser Part No
523-SGX-4NH3-100
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Ammonia Sensor - 100ppm
53 In Stock
1
€62.51
5
€57.59
10
€57.43
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Mult.: 1
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Electrochemical 4-series
Ammonia
0 PPM
100 PPM
Analog
- 40 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Ammonia Sensor - 1000ppm
SGX-4NH3-1000
Amphenol SGX Sensortech
1:
€80.89
40 In Stock
Mouser Part No
523-SGX-4NH3-1000
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Ammonia Sensor - 1000ppm
40 In Stock
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Mult.: 1
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Electrochemical 4-series
Ammonia
0 PPM
1000 PPM
Analog
- 40 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Oxygen Sensor 25% 2 yr life
360°
+3 images
SGX-4OX
Amphenol SGX Sensortech
1:
€32.08
85 In Stock
Mouser Part No
523-SGX-4OX
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Oxygen Sensor 25% 2 yr life
85 In Stock
1
€32.08
200
€22.58
500
€22.57
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Min.: 1
Mult.: 1
No
Electrochemical 4-series
Oxygen
0 %
25 %
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series CL2 Gas Sensor - 10ppm
SGX-4CL2
Amphenol SGX Sensortech
1:
€109.50
6 In Stock
Mouser Part No
523-SGX-4CL2
Amphenol SGX Sensortech
Air Quality Sensors 4 Series CL2 Gas Sensor - 10ppm
6 In Stock
1
€109.50
5
€92.37
10
€76.40
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Min.: 1
Mult.: 1
Details
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:
€30.88
8 In Stock
Mouser Part No
523-SGX-4CO
Amphenol SGX Sensortech
Air Quality Sensors 4 Series CO Sensor 1,000ppm
8 In Stock
1
€30.88
5
€28.37
10
€28.36
20
€27.35
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Min.: 1
Mult.: 1
Details
Electrochemical 4-series
Carbon Monoxide
0 PPM
2000 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Dual-Tox Sensor-500ppm/200ppm
SGX-4DT
Amphenol SGX Sensortech
1:
€72.00
2 In Stock
Mouser Part No
523-SGX-4DT
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Dual-Tox Sensor-500ppm/200ppm
2 In Stock
1
€72.00
5
€59.93
10
€43.65
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Min.: 1
Mult.: 1
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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 H2S Sensor - 100ppm
SGX-4H2S-100
Amphenol SGX Sensortech
1:
€33.34
32 In Stock
Mouser Part No
523-SGX-4H2S-100
Amphenol SGX Sensortech
Air Quality Sensors 4 Series H2S Sensor - 100ppm
32 In Stock
1
€33.34
5
€30.64
10
€29.94
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Hydrogen Sulfide
0 PPM
100 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Electrochemical Hydrogen Sulfide sensor 300ppm
SGX-4H2S-300
Amphenol SGX Sensortech
1:
€55.57
2 In Stock
Mouser Part No
523-SGX-4H2S-300
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Hydrogen Sulfide sensor 300ppm
2 In Stock
1
€55.57
5
€44.97
10
€33.73
100
€29.94
Buy
Min.: 1
Mult.: 1
Details
Electro-Chemical
H2S
0 PPM
300 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:
€46.04
9 In Stock
Mouser Part No
523-SGX-4OX-ROHS
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Lead free O2 Sensor,>5years
9 In Stock
1
€46.04
5
€42.75
10
€42.72
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Oxygen
0 %
25 %
Analog
- 40 C
+ 60 C
Electro-Chemical
Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm
SGX-HCL-30
Amphenol SGX Sensortech
1:
€231.37
2 In Stock
Mouser Part No
523-SGX-HCL-30
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm
2 In Stock
1
€231.37
5
€216.00
20
€215.99
60
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60
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Gas Sensor
Multi-Gas
- 20 C
+ 40 C
Air Quality Sensors 4 Series Electrochemical Hydrogen Fluoride 10ppm
SGX-HF-10
Amphenol SGX Sensortech
1:
€169.70
6 In Stock
Mouser Part No
523-SGX-HF-10
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Electrochemical Hydrogen Fluoride 10ppm
6 In Stock
1
€169.70
5
€152.01
10
€145.34
20
€124.97
60
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60
€123.26
100
€118.29
260
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Hydrogen Fluoride
0 PPM
10 PPM
Analog
- 20 C
+ 55 C
Electro-Chemical
Air Quality Sensors 4 ser O2 sens 0-25% 3 year life
SGX-4OX-EL
Amphenol SGX Sensortech
1:
€47.68
25 In Stock
20 Expected 23/07/2026
Mouser Part No
523-SGX-4OX-EL
Amphenol SGX Sensortech
Air Quality Sensors 4 ser O2 sens 0-25% 3 year life
25 In Stock
20 Expected 23/07/2026
1
€47.68
5
€44.01
10
€42.64
25
€41.00
50
View
50
€39.89
100
€39.17
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Min.: 1
Mult.: 1
No
Electrochemical 4-series
Oxygen
0 %
25 %
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series NO Gas Sensor - 250ppm
SGX-4NO-250
Amphenol SGX Sensortech
1:
€78.23
10 On Order
Mouser Part No
523-SGX-4NO-250
Amphenol SGX Sensortech
Air Quality Sensors 4 Series NO Gas Sensor - 250ppm
10 On Order
View Dates
On Order:
5 Expected 16/07/2026
5 Expected 23/07/2026
Factory Lead Time:
4 Weeks
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Min.: 1
Mult.: 1
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Electrochemical 4-series
Nitric Oxide
0 PPM
250 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical