Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm
SGX-4SO2
Amphenol SGX Sensortech
1:
$91.99
32 In Stock
Mouser Part No
523-SGX-4SO2
Amphenol SGX Sensortech
Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm
32 In Stock
1
$91.99
5
$86.07
10
$80.64
25
$80.58
50
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50
$78.49
100
$75.74
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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 High Conc CO Sensor - 10000ppm
SGX-4CO-10K
Amphenol SGX Sensortech
1:
$92.05
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
$92.05
5
$91.74
10
$58.62
250
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250
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Electrochemical 4-series
Carbon Monoxide
0 PPM
10000 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series CO Sensor - 1,000ppm
SGX-4CO-LC
Amphenol SGX Sensortech
1:
$58.11
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
$58.11
5
$55.80
10
$29.61
100
$27.22
250
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250
$27.05
500
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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 Ammonia Sensor - 300ppm
SGX-4NH3-300
Amphenol SGX Sensortech
1:
$136.47
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
$136.47
5
$116.12
10
$86.70
100
$83.34
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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:
$67.58
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
$67.58
5
$66.04
10
$43.15
100
$42.03
250
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250
$41.72
500
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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 ETO Gas Sensor 20ppm
SGX-4ETO
Amphenol SGX Sensortech
1:
$110.21
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
$110.21
5
$101.82
10
$85.81
50
$81.16
100
$80.59
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Min.: 1
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Electrochemical 4-series
Ethylene Oxide
0 PPM
20 PPM
Analog
- 20 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:
$43.24
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
1
$43.24
5
$40.75
10
$40.14
20
$36.78
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Min.: 1
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MEMS Pellistor
Flammable
0 %
5 %
Analog
1.6 V
3.2 V
- 20 C
+ 60 C
MPEL
Air Quality Sensors 4 Series Nitrogen Dioxide Sensor-30ppm
360°
+3 images
SGX-4NO2
Amphenol SGX Sensortech
1:
$47.10
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
$47.10
5
$43.38
10
$41.99
20
$40.05
50
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50
$36.97
100
$36.07
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Electrochemical 4-series
Nitrogen Dioxide
0 PPM
30 PPM
Analog
1.3 V
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series Electrochemical Fluorine 5ppm
SGX-F2-5
Amphenol SGX Sensortech
1:
$262.78
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
$262.78
5
$246.43
10
$241.54
20
$176.70
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:
$262.63
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
$262.63
5
$246.02
10
$240.22
20
$240.20
100
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Gas Sensor
Multi-Gas
- 20 C
+ 40 C
Electro-Chemical
Air Quality Sensors 4 Series Ammonia Sensor - 100ppm
SGX-4NH3-100
Amphenol SGX Sensortech
1:
$75.59
51 In Stock
Mouser Part No
523-SGX-4NH3-100
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Ammonia Sensor - 100ppm
51 In Stock
1
$75.59
5
$69.97
10
$67.88
100
$62.66
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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:
$97.82
40 In Stock
Mouser Part No
523-SGX-4NH3-1000
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Ammonia Sensor - 1000ppm
40 In Stock
1
$97.82
5
$90.80
10
$88.18
50
$83.34
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Min.: 1
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 ser O2 sens 0-25% 3 year life
SGX-4OX-EL
Amphenol SGX Sensortech
1:
$60.27
44 In Stock
Mouser Part No
523-SGX-4OX-EL
Amphenol SGX Sensortech
Air Quality Sensors 4 ser O2 sens 0-25% 3 year life
44 In Stock
1
$60.27
5
$55.68
10
$53.96
25
$51.90
50
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50
$50.49
100
$47.94
500
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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:
$127.32
5 In Stock
Mouser Part No
523-SGX-4CL2
Amphenol SGX Sensortech
Air Quality Sensors 4 Series CL2 Gas Sensor - 10ppm
5 In Stock
1
$127.32
5
$115.11
10
$86.70
100
$83.34
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Min.: 1
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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:
$37.86
7 In Stock
Mouser Part No
523-SGX-4CO
Amphenol SGX Sensortech
Air Quality Sensors 4 Series CO Sensor 1,000ppm
7 In Stock
1
$37.86
5
$34.79
10
$34.78
20
$31.62
50
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50
$31.10
100
$30.47
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Mult.: 1
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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:
$83.72
1 In Stock
Mouser Part No
523-SGX-4DT
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Dual-Tox Sensor-500ppm/200ppm
1 In Stock
1
$83.72
5
$69.69
10
$50.75
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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:
$38.77
22 In Stock
Mouser Part No
523-SGX-4H2S-100
Amphenol SGX Sensortech
Air Quality Sensors 4 Series H2S Sensor - 100ppm
22 In Stock
1
$38.77
5
$35.63
10
$34.46
25
$33.06
250
$32.66
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Min.: 1
Mult.: 1
Details
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:
$47.18
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
$47.18
5
$43.45
10
$42.07
25
$40.40
50
View
50
$39.27
100
$34.40
250
$34.24
500
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Mult.: 1
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Electro-Chemical
H2S
0 PPM
300 PPM
Analog
- 30 C
+ 50 C
Electro-Chemical
Air Quality Sensors 4 Series NO Gas Sensor - 250ppm
SGX-4NO-250
Amphenol SGX Sensortech
1:
$94.61
9 In Stock
Mouser Part No
523-SGX-4NO-250
Amphenol SGX Sensortech
Air Quality Sensors 4 Series NO Gas Sensor - 250ppm
9 In Stock
1
$94.61
5
$87.78
25
$83.34
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Min.: 1
Mult.: 1
Details
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:
$56.15
2 In Stock
Mouser Part No
523-SGX-4OX-ROHS
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Lead free O2 Sensor,>5years
2 In Stock
1
$56.15
5
$52.13
10
$50.83
50
$47.54
100
$46.61
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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 Fluoride 10ppm
SGX-HF-10
Amphenol SGX Sensortech
1:
$197.32
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
$197.32
5
$176.76
10
$169.00
20
$145.31
60
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60
$143.33
100
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Electrochemical 4-series
Hydrogen Fluoride
0 PPM
10 PPM
Analog
- 20 C
+ 55 C
Electro-Chemical
Air Quality Sensors 4 Series Electrochemical Hydrogen Chloride 30ppm
SGX-HCL-30
Amphenol SGX Sensortech
1:
$269.04
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
$269.04
5
$251.16
20
$251.15
60
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60
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Gas Sensor
Multi-Gas
- 20 C
+ 40 C
Electro-Chemical
Air Quality Sensors 4 Series Oxygen Sensor 25% 2 yr life
360°
+3 images
SGX-4OX
Amphenol SGX Sensortech
1:
$35.59
200 On Order
Mouser Part No
523-SGX-4OX
Amphenol SGX Sensortech
Air Quality Sensors 4 Series Oxygen Sensor 25% 2 yr life
200 On Order
View Dates
On Order:
60 Expected 27/08/2026
140 Expected 18/09/2026
Factory Lead Time:
10 Weeks
1
$35.59
5
$32.68
20
$29.69
50
$29.20
100
View
100
$28.60
500
Quote
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Min.: 1
Mult.: 1
No
Electrochemical 4-series
Oxygen
0 %
25 %
Analog
- 30 C
+ 50 C
Electro-Chemical