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Gas Sensors

(443)
 
Gas Sensors
Choose from category Gas Sensors. Our offer includes 443 types from 5 manufacturers.
SOS electronic is a specialized distributor of SGX SENSORTECH, SENSIRION, NISSHA FIS, FIGARO.

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Hydrogen (H2) Sensor 10...2 000ppm
More info SB-19-00.pdf
Ord. No. 227978
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- 0,6-1,2 D7,6 x 8,4 mm - Hydrogen (H2) 10...2 000ppm - - ΔR Sensor -10...+60°C - MOS - mA - Pins for socket - -
18 pcs in stock
-
1 pcs+
14,30 €
5 pcs+
13,10 €
25 pcs+
12,20 €
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Freon (R134A, R407A) Gas Sensor 10 to 600ppm
More info SB-42A-00.pdf
Ord. No. 227983
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- - D13,4 x 7,6 mm - Refrigerants (R410a, R407c, R134a) 10...1 000ppm - - ΔR Sensor -10...+60°C - MOS - mA - Pins for socket - -
95 pcs in stock
-
1 pcs+
8,3800 €
2 pcs+
7,8000 €
10 pcs+
7,1500 €
50 pcs+
6,4800 €
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Gas sensor: refrigerants (R410A, R407C, R32, HFO1234yf) 600-3 000ppm
More info SB-43A-00.pdf
Ord. No. 312101
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- 0,4-0,7 D20 x 10 mm - Refrigerants ( R410A, R407C, R32, HFO1234yf) 600...3 000ppm - - ΔR Sensor -10...+50°C - MOS - mA - Pins for socket - -
15 pcs in stock
-
1 pcs+
12,40 €
5 pcs+
11,30 €
30 pcs+
10,20 €
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Carbon monoxide (CO) Gas Sensor 30 to 600ppm
More info SB-500-12.pdf
Ord. No. 228008
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- 1,05-2,1 at 30-100ppm D20 x 10 mm - Carbon monoxide (CO) 30...500ppm - - ΔR Sensor -10...+60°C - MOS - mA - Pins for socket - -
999 pcs in stock
-
1 pcs+
5,3400 €
2 pcs+
5,1700 €
20 pcs+
4,3400 €
80 pcs+
4,0400 €
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Ammonnia (NH3) Gas Sensor 0.1 to 100ppm
More info SB-53-01.pdf
Ord. No. 322397
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- - D13,4 x 7,6 mm - Ammonia (NH3) 0,1...100ppm - - ΔR Sensor -10...+50°C - MOS - mA - Pins for socket - -
0 pcs (available soon)
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1 pcs+
16,40 €
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Methane (CH4)/Carbon monoxide (CO) Gas Sensor 100 to 5000ppm/30 to 600ppm
More info SB-95-12.pdf
Ord. No. 228009
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- 1,05-2,1 at 30-100ppm D20 x 10 mm - Carbon monoxide (CO), Methane (CH4) CH4: 300...7 000ppm, CO: 30...700ppm - - ΔR Sensor -10...+60°C - MOS - mA - Pins for socket - -
67 pcs in stock
-
1 pcs+
9,9000 €
2 pcs+
9,2100 €
10 pcs+
8,4500 €
40 pcs+
7,7300 €
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Calibrated NDIR CO2, Temperature and RH Sensor Module
Ord. No. 290529
S
Manufacturer SENSIRION

Manufacturer SENSIRION

- - 35 x 23 x 7 mm CO2 output range: 0...40 000ppm I2C, UART, 0...5 000ppm PWM Carbon dioxide (CO2) 0...40 000ppm at I2C, UART, 0...5 00ppm at PWM - - UART/I2C, PWM Module 0...+50°C 3,3...5,5V NDIR 19 (Avg. Typ.) mA ±(30 ppm + 3%) at 400...10 000ppm SMD RH and T measurement -
272 pcs in stock
(24. Jul 2026: 200 pcs)
-
1 pcs+
37,70 €
10 pcs+
36,70 €
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Calibrated CO2 Sensor
More info SCD4x.pdf
Alternative components
Ord. No. 338284
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x - 10,1 x 10,1 x 6,3 mm *1: low power mode Carbon dioxide (CO2) 0...40 000ppm - - I2C Sensor -10...+60°C 2,4...5,5V NDIR 15mA, 3,2mA *1 (Typ., Avg.) @ 3,3V mA ±(50 ppm + 5 %) at 400...2 000ppm SMD RH and T measurement, low power mode 1
118 pcs in stock
-
1 pcs+
13,70 €
120 pcs+
13,30 €
180 pcs+
13,00 €
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Calibrated CO2 Sensor
More info SCD4x.pdf
Ord. No. 347334
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x - 10,1 x 10,1 x 6,3 mm *1: low power mode Carbon dioxide (CO2) 0...40 000ppm - - I2C Sensor -10...+60°C 2,4...5,5V NDIR 15mA, 3,2mA *1 (Typ., Avg.) @ 3,3V mA ±(50 ppm + 5 %) at 400...2 000ppm SMD RH and T measurement, low power mode 1
875 pcs in stock
-
1 pcs+
15,60 €
10 pcs+
13,60 €
50 pcs+
12,60 €
100 pcs+
12,20 €
300 pcs+
11,80 €
600 pcs+
11,40 €
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Calibrated CO2 Sensor
More info SCD4x.pdf
Ord. No. 347339
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x - 10,1 x 10,1 x 6,3 mm *1: low power mode, *2: single shot mode Carbon dioxide (CO2) 0...40 000ppm - - I2C Sensor -10...+60°C 2,4...5,5V NDIR 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA ±(50 ppm + 3 %) at 400...2 000ppm SMD RH and T meas., low power mode, single shot mode 1
120 pcs in stock
-
1 pcs+
16,50 €
120 pcs+
16,30 €
180 pcs+
16,20 €
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Calibrated CO2 Sensor
More info SCD4x.pdf
Ord. No. 347342
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x - 10,1 x 10,1 x 6,3 mm *1: low power mode, *2: sinngle shot mode Carbon dioxide (CO2) 0...40 000ppm - - I2C Sensor -10...+60°C 2,4...5,5V NDIR 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA ±(50 ppm + 3 %) at 400...2 000ppm SMD RH and T meas., low power mode, single shot mode 1
1074 pcs in stock
(3. Jul 2026: 600 pcs)
-
1 pcs+
18,40 €
10 pcs+
16,30 €
50 pcs+
15,40 €
100 pcs+
14,60 €
300 pcs+
14,00 €
600 pcs+
13,60 €
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Calibrated CO2 Sensor
Ord. No. 417814
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x - 10,1 x 10,1 x 6,3 mm *1: low power mode, *2: sinngle shot mode Carbon dioxide (CO2) 0...40 000ppm - - I2C Sensor -10...+60°C 2,4...5,5V NDIR 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA mA ±(30 ppm + 3 %) at 400...5 000ppm SMD RH and T meas., low power mode, single shot mode 1
1071 pcs in stock
(4. Sep 2026: 600 pcs)
-
1 pcs+
16,00 €
10 pcs+
14,80 €
50 pcs+
13,80 €
100 pcs+
13,10 €
600 pcs+
12,80 €
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Thermal Conductivity Sensor Calibrated for Air, N2 + R-32, R-454B mixture
Ord. No. 416055
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SGD4x - 90 x 55 x 24 mm LFL: lower flammability limit R-32 and R-454B in Air - 11% LFL (R32), 12% LFL (R-454B) NO contact x2 RS-485/MODBUS Module -40...+85°C 24 VDC ±10%, 18...30 VAC RMS Thermal Conductivity 70 mA Typ. @ DC, 120 mA RMS Typ. @ AC mA ±2.5 %LFL 8-pin sealable connector, mating part TE 794821-1 Refrigerant sensor: UL 60335-2-40, refrigerant detection: UL 60335-2-89 -
20 pcs in stock
-
1 pcs+
40,50 €
10 pcs+
38,60 €
50 pcs+
37,10 €
100 pcs+
36,00 €
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Thermal Conductivity Sensor Calibrated for Air, N2 + R-454A, R-454C, R-455A mixture
Ord. No. 416056
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SGD4x - 90 x 55 x 24 mm LFL: lower flammability limit R-454A, R-454C and R-455A in Air - 14% LFL (R-454A, C), 10% LFL (R-455A) NO contact x2 RS-485/MODBUS Module -40...+85°C 24 VDC ±10%, 18...30 VAC RMS Thermal Conductivity 70 mA Typ. @ DC, 120 mA RMS Typ. @ AC mA ±2.5 %LFL 8-pin sealable connector, mating part TE 794821-1 Refrigerant sensor: UL 60335-2-40, refrigerant detection: UL 60335-2-89 -
18 pcs in stock
-
1 pcs+
40,50 €
10 pcs+
38,60 €
50 pcs+
37,10 €
100 pcs+
36,00 €
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Volatile Organic Compounds (VOC) sensor
Ord. No. 341780
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SGP4x 870 at 5-10ppm 2,44 x 2,44 x 0,85 mm MCU that runs Sensirion VOC algorithm is required. Volatile organic compound (VOC) 0...1000 ppm ethanol equiv - - I2C Sensor -10...+50°C 1,7...3,6V MOS 2,6mA (Typ) @ 3,3V mA - Connector VOC Index 1...500 1
1315 pcs in stock
-
1 pcs+
5,3800 €
10 pcs+
4,6300 €
100 pcs+
4,0900 €
500 pcs+
3,7800 €
1000 pcs+
3,6700 €
2500 pcs+
3,5400 €
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Volatile Organic Compounds (VOC) + NOx sensor
Ord. No. 359695
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SGP4x - 2,44 x 2,44 x 0,85 mm MCU that runs Sensirion VOC algorithm is required. Volatile Organic Compound (VOC), NOx 0...1000 ppm ethanol equiv, 0...10 ppm NO2 equiv - - I2C Sensor -10...+50°C 1,7...3,6V MOS 3,2mA (Typ) @ 3,3V mA - SMD VOC Index 1...500, NOx Index 1...500 -
0 pcs (available soon)
(10. Jul 2026: 2500 pcs)
-
1 pcs+
5,7000 €
10 pcs+
5,4200 €
50 pcs+
5,1400 €
100 pcs+
4,9800 €
250 pcs+
4,8300 €
500 pcs+
4,5000 €
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Electrochemical sensor, oxygen (O2), 0...25%
Ord. No. 371805
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

4 series 4,8 ± 1,4 uA/% O2 D20 x 16,5 mm Maximum overload: 30% O2 Oxygen (O2) 0...25% - - Current Sensor -40...+60°C - Electrochemical - mA - Pins for socket - -
9 pcs in stock
-
1 pcs+
43,60 €
10 pcs+
42,35 €
20 pcs+
38,90 €
100 pcs+
35,45 €
500 pcs+
33,57 €
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Battery gases & Hydrogen early leakage detection sensor (H2)
More info BLD1.pdf
Ord. No. 371913
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

- - 39 x 35 x 27 mm - H2 in Air 0...10% - - CAN Module -40...+85°C 9...18V Thermal Conductivity 25mA @12 V mA ± 0,4 vol @ H2 in air ≤ 4% vol, H2 in air ≥ 4% vol ± 10% MV Connector IP6K7 -
4 pcs in stock
-
1 pcs+
25,05 €
10 pcs+
24,33 €
20 pcs+
22,34 €
100 pcs+
20,36 €
500 pcs+
19,28 €
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Battery gases & Hydrogen early leakage detection sensor (H2+CO)
More info BLD2.pdf
Ord. No. 371914
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

- - 39 x 35 x 27 mm - H2 in air, CO 0...4% H2 - - CAN Module -40...+85°C 9...18V Thermal Conductivity (H2), MOS (CO) 50 mA (max.) @ 12V mA ± 0,4% @ (Temp 0...25°C, RH 10...95%) Connector IP6K7 -
5 pcs in stock
-
1 pcs+
30,79 €
10 pcs+
29,02 €
20 pcs+
26,80 €
100 pcs+
24,59 €
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Electrochemical sensor, oxygen (O2), 0...100%, Long Life
More info SGX-EOX.pdf
Ord. No. 422058
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

- 0,6 mV/% O2, typ. D29,3 x 38,2 mm Expected operating lifetime: 8,7 years at 21% O2 Oxygen (O2) 0...100% - - Voltage Sensor -20...+50°C - Electrochemical - mA - Connector - -
9 pcs in stock
-
1 pcs+
46,78 €
10 pcs+
45,43 €
20 pcs+
41,73 €
100 pcs+
38,03 €
500 pcs+
36,01 €
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Electrochemical sensor, carbon monoxide (CO), 0...1000ppm
Ord. No. 372096
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

4 series 45 ± 15 nA/ppm D20 x 16,5 mm - Carbon monoxide (CO) 0...1000ppm - - Current Sensor -20...+50°C - Electrochemical - mA - Pins for socket - -
15 pcs in stock
-
1 pcs+
11,6484 €
10 pcs+
10,9780 €
20 pcs+
10,1400 €
100 pcs+
9,3020 €
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Ozone (O3) Gas Sensor 10 to 250ppb
More info SP3-61-00.pdf
Ord. No. 227999
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- - D18 x 14 mm - Ozone (O3) 10...250ppb - - ΔR Sensor -10...+50°C - MOS - mA - Pins for socket - -
21 pcs in stock
-
1 pcs+
16,70 €
5 pcs+
15,30 €
20 pcs+
14,30 €
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Thermal Conductivity Sensor Calibrated for Air, N2 + CO2 mixture
Ord. No. 411243
S
Manufacturer SENSIRION

Manufacturer SENSIRION

STC 16 bit / 30,5 ppm 3,5 x 3 x 1 mm - CO2 in N2 and CO2 in air 0...40%, 0...100% - - I2C Sensor -20...+85°C 2,7...5,5V Thermal Conductivity 3 (Typ) mA ± (0,2% + 0,02% * ΔC + 0,02% * ΔT + 0,01% * ΔRH + 0,001 * ΔP) SMD - 1
322 pcs in stock
-
1 pcs+
24,20 €
50 pcs+
23,00 €
100 pcs+
22,30 €
250 pcs+
22,00 €
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Thermal Conductivity Sensor Calibrated for Air + CO2 mixture
Ord. No. 410169
S
Manufacturer SENSIRION

Manufacturer SENSIRION

- 1 ppm (Typ.) 4 x 3 x 1,2 mm Requires SHT4x for RH&T compensation CO2 in N2 and CO2 in air 380...32 000 ppm - - I2C Thermal Conductivity 10...40°C 2,7...5,5 V Thermal Conductivity 0,95 mA (Typ., continuous meas. mode) mA ±(100ppm+10% MV) @ 400...5 000 ppm SMD Automatic Self-Calibration 1
784 pcs in stock
-
1 pcs+
6,5500 €
10 pcs+
6,1200 €
50 pcs+
6,0200 €
100 pcs+
5,8500 €
250 pcs+
5,6800 €
500 pcs+
5,5100 €
1000 pcs+
5,3000 €
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Air Contaminants Sensor 1 to 100ppm TO-5
More info TGS2600.pdf
Ord. No. 53100
S
Manufacturer FIGARO

Manufacturer FIGARO

- 0,3-0,6 D17,8 x 9,2 mm - Air contaminants 1...100ppm - - ΔR Sensor -10...+50°C - MOS - mA - Solid legs - -
9 pcs in stock
-
1 pcs+
21,07 €
5 pcs+
19,33 €
20 pcs+
17,71 €
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