EC4 Electrochemical Gas Sensors

Amphenol SGX Sensortech EC4 Electrochemical Gas Sensors feature 20mm and 20.2mm package sizes and act as drop-in replacements for existing same-size sensors. The EC4 series is available in a broad range of sensing types to detect toxic gases: sulfur dioxide (SO2), carbon monoxide (CO), hydrogen (H2), chlorine (Cl2), hydrogen sulfide (H2S), chlorine dioxide (ClO2), nitric oxide (NO), nitrogen dioxide (NO2), ethylene oxide (C2H4O), and phosphine (PH3). Amphenol SGX Sensortech EC4 Electrochemical Gas Sensors are low power and show good responses to various gas concentrations over a wide range of ambient conditions.

Results: 15
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Type Sensor Type Measuring Range - Min Measuring Range - Max Output Type Minimum Operating Temperature Maximum Operating Temperature Mounting Style Series
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Chlorine Dioxide 1ppm 5In Stock
105,29 €
91,29 €
84,84 €
83,39 €
Min.: 1
Mult.: 1
Electrochemical 4-series Chlorine Dioxide 0 PPM 1 PPM Analog - 20 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series SO2 Gas Sensor - 20ppm 29In Stock
79,79 €
74,02 €
71,87 €
71,80 €
Min.: 1
Mult.: 1
Electrochemical 4-series Sulfur Dioxide 0 PPM 20 PPM Analog - 30 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series SO2 Gas Sensor 2000ppm 5In Stock
128,66 €
110,36 €
94,06 €
90,50 €
Min.: 1
Mult.: 1
Electrochemical 4-series Sulfur Dioxide 0 PPM 2000 PPM Analog - 20 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Hydrogen Sensor 1000ppm 3In Stock
68,55 €
63,49 €
61,60 €
57,62 €
Min.: 1
Mult.: 1
Electrochemical 4-series Hydrogen 0 PPM 1000 PPM Analog - 30 C + 50 C Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Nitrogen Dioxide 50ppm 16In Stock
136,87 €
120,12 €
113,79 €
Min.: 1
Mult.: 1
Solid Polymer 4-series Nitrogen Dioxide 0 PPM 50 PPM Analog - 40 C + 55 C Through Hole PS4 Series
Amphenol SGX Sensortech Air Quality Sensors 4 Series H2S Sensor - 100ppm 6In Stock
20Expected 11/26/2026
33,34 €
30,64 €
Min.: 1
Mult.: 1
Electrochemical 4-series Hydrogen Sulfide 0 PPM 100 PPM Analog - 30 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series NO Gas Sensor 2000ppm 5In Stock
120,62 €
112,38 €
112,37 €
107,07 €
Min.: 1
Mult.: 1
Electrochemical 4-series Nitric Oxide 0 PPM 2000 PPM Analog - 20 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series CO Sensor 1,000ppm
10Expected 12/24/2026
34,51 €
31,52 €
29,67 €
28,83 €
Min.: 1
Mult.: 1
Electrochemical 4-series Carbon Monoxide 0 PPM 2000 PPM Analog - 30 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors ELECTROCHEMICAL 4-SERIES
12Expected 12/24/2026
34,44 €
31,75 €
30,51 €
27,53 €
Min.: 1
Mult.: 1
Electrochemical 4-series Hydrogen Sulfide 0 PPM 1000 PPM Analog - 200 C + 500 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series PH3 Gas Sensor 20ppm Non-Stocked
192,70 €
160,86 €
153,23 €
149,90 €
147,36 €
Min.: 1
Mult.: 1
Electrochemical 4-series Phosphine 0 PPM 20 PPM Analog - 20 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4Series CL O2 Gas Sensor 50ppm Non-Stocked
154,03 €
126,73 €
121,05 €
118,16 €
Min.: 1
Mult.: 1
Electrochemical 4-series Chlorine Dioxide 0 PPM 50 PPM Analog - 20 C + 50 C Through Hole Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Chlorine 50ppm Non-Stocked
195,13 €
175,12 €
166,82 €
162,93 €
Min.: 1
Mult.: 1
Gas Sensor Chlorine (Cl2) - 20 C + 40 C Panel Mount PS4 Series
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ethylene Oxide 10ppm Non-Stocked
176,32 €
174,93 €
154,38 €
Min.: 1
Mult.: 1
Solid Polymer 4-series Ethylene Oxide 0 PPM 10 PPM Analog - 40 C + 55 C Panel Mount PS4 Series
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ethylene Oxide 1000ppm Non-Stocked
141,02 €
138,60 €
121,29 €
Min.: 1
Mult.: 1
Solid Polymer 4-series Ethylene Oxide 0 PPM 1000 PPM Analog - 40 C + 55 C Panel Mount PS4 Series
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ethylene Oxide 200ppm Non-Stocked
141,02 €
138,60 €
121,29 €
Min.: 1
Mult.: 1
Solid Polymer 4-series Ethylene Oxide 0 PPM 200 PPM Analog - 40 C + 55 C Panel Mount PS4 Series