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Gas Sensors

(444)
 
Gas Sensors
Choose from category Gas Sensors. Our offer includes 444 types from 5 manufacturers.
SOS electronic is a specialized distributor of SGX SENSORTECH, SENSIRION, NISSHA FIS, FIGARO.

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LPG Gas Sensor 10 to 500ppm
More info SB-15-00.pdf
Ord. No. 227975
S
Manufacturer NISSHA FIS

Manufacturer NISSHA FIS

- Sensor MOS LPG 100...10 000ppm - 0,55-0,75 ΔR - - - - mA Pins for socket -10...+50°C D13,4 x 7,6 mm - - -
0 pcs (available soon)
(11. Sep 2026: 1000 pcs)
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1 pcs+
4,0900 €
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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

- Sensor MOS Hydrogen (H2) 10...2 000ppm - 0,6-1,2 ΔR - - - - mA Pins for socket -10...+60°C D7,6 x 8,4 mm - - -
9 pcs in stock
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1 pcs+
14,30 €
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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

- Sensor MOS Refrigerants (R410a, R407c, R134a) 10...1 000ppm - - ΔR - - - - mA Pins for socket -10...+60°C D13,4 x 7,6 mm - - -
0 pcs (available soon)
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1 pcs+
8,3200 €
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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

- Sensor MOS Refrigerants ( R410A, R407C, R32, HFO1234yf) 600...3 000ppm - 0,4-0,7 ΔR - - - - mA Pins for socket -10...+50°C D20 x 10 mm - - -
13 pcs in stock
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1 pcs+
12,40 €
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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

- Sensor MOS Carbon monoxide (CO) 30...500ppm - 1,05-2,1 at 30-100ppm ΔR - - - - mA Pins for socket -10...+60°C D20 x 10 mm - - -
1000 pcs in stock
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1 pcs+
5,3400 €
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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

- Sensor MOS Ammonia (NH3) 0,1...100ppm - - ΔR - - - - mA Pins for socket -10...+50°C D13,4 x 7,6 mm - - -
5 pcs in stock
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1 pcs+
13,80 €
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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

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

Manufacturer SENSIRION

- Module NDIR Carbon dioxide (CO2) 0...40 000ppm at I2C, UART, 0...5 00ppm at PWM ±(30 ppm + 3%) at 400...10 000ppm - UART/I2C, PWM - - 3,3...5,5V 19 (Avg. Typ.) mA SMD 0...+50°C 35 x 23 x 7 mm - RH and T measurement CO2 output range: 0...40 000ppm I2C, UART, 0...5 000ppm PWM
255 pcs in stock
(27. Nov 2026: 200 pcs)
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1 pcs+
37,70 €
10 pcs+
36,70 €
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Calibrated CO2 Sensor
More info SCD4x.pdf
Ord. No. 347334
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x Sensor NDIR Carbon dioxide (CO2) 0...40 000ppm ±(50 ppm + 5 %) at 400...2 000ppm - I2C - - 2,4...5,5V 15mA, 3,2mA *1 (Typ., Avg.) @ 3,3V mA SMD -10...+60°C 10,1 x 10,1 x 6,3 mm 1 RH and T measurement, low power mode *1: low power mode
864 pcs in stock
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1 pcs+
15,60 €
10 pcs+
13,60 €
50 pcs+
12,60 €
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Calibrated CO2 Sensor
More info SCD4x.pdf
Ord. No. 347342
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x Sensor NDIR Carbon dioxide (CO2) 0...40 000ppm ±(50 ppm + 3 %) at 400...2 000ppm - I2C - - 2,4...5,5V 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA SMD -10...+60°C 10,1 x 10,1 x 6,3 mm 1 RH and T meas., low power mode, single shot mode *1: low power mode, *2: sinngle shot mode
1349 pcs in stock
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1 pcs+
18,40 €
10 pcs+
16,30 €
50 pcs+
15,40 €
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Calibrated CO2 Sensor
Ord. No. 417814
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SCD4x Sensor NDIR Carbon dioxide (CO2) 0...40 000ppm ±(30 ppm + 3 %) at 400...5 000ppm - I2C - - 2,4...5,5V 15mA, 3,2mA *1, 0,45mA *2 (Typ., Avg.) @ 3,3V mA mA SMD -10...+60°C 10,1 x 10,1 x 6,3 mm 1 RH and T meas., low power mode, single shot mode *1: low power mode, *2: sinngle shot mode
468 pcs in stock
(4. Sep 2026: 600 pcs)
(We are checking the delivery date: 600 pcs)
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1 pcs+
16,00 €
10 pcs+
14,80 €
50 pcs+
13,80 €
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Formaldehyde sensor 0...1 000 ppb I2C
Ord. No. 413429
S
Manufacturer SENSIRION

Manufacturer SENSIRION

- Sensor Electrochemical Formaldehyde (H2CO) 0...2 000 ppb ±20 ppb or ±20% m.v @ 0...200 ppb *1 - I2C - - 1,62...3,6V 0,08 (Avg. Typ.) mA SMD 0...+50°C 13 x 10 x 2,4 mm 1 - *1: whichever is larger
0 pcs (available soon)
(25. Sep 2026: 250 pcs)
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1 pcs+
19,44 €
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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 Module Thermal Conductivity R-32 and R-454B in Air - ±2.5 %LFL - RS-485/MODBUS NO contact x2 11% LFL (R32), 12% LFL (R-454B) 24 VDC ±10%, 18...30 VAC RMS 70 mA Typ. @ DC, 120 mA RMS Typ. @ AC mA 8-pin sealable connector, mating part TE 794821-1 -40...+85°C 90 x 55 x 24 mm - Refrigerant sensor: UL 60335-2-40, refrigerant detection: UL 60335-2-89 LFL: lower flammability limit
20 pcs in stock
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1 pcs+
45,00 €
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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 Module Thermal Conductivity R-454A, R-454C and R-455A in Air - ±2.5 %LFL - RS-485/MODBUS NO contact x2 14% LFL (R-454A, C), 10% LFL (R-455A) 24 VDC ±10%, 18...30 VAC RMS 70 mA Typ. @ DC, 120 mA RMS Typ. @ AC mA 8-pin sealable connector, mating part TE 794821-1 -40...+85°C 90 x 55 x 24 mm - Refrigerant sensor: UL 60335-2-40, refrigerant detection: UL 60335-2-89 LFL: lower flammability limit
18 pcs in stock
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45,00 €
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Volatile Organic Compounds (VOC) sensor
Ord. No. 341780
S
Manufacturer SENSIRION

Manufacturer SENSIRION

SGP4x Sensor MOS Volatile organic compound (VOC) 0...1000 ppm ethanol equiv - 870 at 5-10ppm I2C - - 1,7...3,6V 2,6mA (Typ) @ 3,3V mA Connector -10...+50°C 2,44 x 2,44 x 0,85 mm 1 VOC Index 1...500 MCU that runs Sensirion VOC algorithm is required.
1195 pcs in stock
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1 pcs+
5,3800 €
10 pcs+
4,6300 €
100 pcs+
4,0900 €
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Electrochemical sensor, oxygen (O2), 0...25%
Ord. No. 371805
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

4 series Sensor Electrochemical Oxygen (O2) 0...25% - 4,8 ± 1,4 uA/% O2 Current - - - - mA Pins for socket -40...+60°C D20 x 16,5 mm - - Maximum overload: 30% O2
9 pcs in stock
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1 pcs+
43,60 €
10 pcs+
41,09 €
20 pcs+
37,96 €
100 pcs+
34,82 €
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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

- Module Thermal Conductivity H2 in Air 0...10% ± 0,4 vol @ H2 in air ≤ 4% vol, H2 in air ≥ 4% vol ± 10% MV - CAN - - 9...18V 25mA @12 V mA Connector -40...+85°C 39 x 35 x 27 mm - IP6K7 -
4 pcs in stock
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1 pcs+
25,05 €
10 pcs+
23,61 €
20 pcs+
21,80 €
100 pcs+
20,00 €
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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

- Module Thermal Conductivity (H2), MOS (CO) H2 in air, CO 0...4% H2 ± 0,4% @ (Temp 0...25°C, RH 10...95%) - CAN - - 9...18V 50 mA (max.) @ 12V mA Connector -40...+85°C 39 x 35 x 27 mm - IP6K7 -
5 pcs in stock
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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

- Sensor Electrochemical Oxygen (O2) 0...100% - 0,6 mV/% O2, typ. Voltage - - - - mA Connector -20...+50°C D29,3 x 38,2 mm - - Expected operating lifetime: 8,7 years at 21% O2
9 pcs in stock
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1 pcs+
46,78 €
10 pcs+
44,09 €
20 pcs+
40,72 €
100 pcs+
37,36 €
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Electrochemical sensor, carbon monoxide (CO), 0...1000ppm
Ord. No. 372096
S
Manufacturer SGX SENSORTECH

Manufacturer SGX SENSORTECH

4 series Sensor Electrochemical Carbon monoxide (CO) 0...1000ppm - 45 ± 15 nA/ppm Current - - - - mA Pins for socket -20...+50°C D20 x 16,5 mm - - -
0 pcs (available soon)
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1 pcs+
11,6485 €
10 pcs+
10,9781 €
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

- Sensor MOS Ozone (O3) 10...250ppb - - ΔR - - - - mA Pins for socket -10...+50°C D18 x 14 mm - - -
0 pcs (available soon)
(11. Sep 2026: 101 pcs)
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1 pcs+
16,70 €
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Thermal Conductivity Sensor Calibrated for Air, N2 + CO2 mixture
Ord. No. 411243
S
Manufacturer SENSIRION

Manufacturer SENSIRION

STC Sensor Thermal Conductivity CO2 in N2 and CO2 in air 0...40%, 0...100% ± (0,2% + 0,02% * ΔC + 0,02% * ΔT + 0,01% * ΔRH + 0,001 * ΔP) 16 bit / 30,5 ppm I2C - - 2,7...5,5V 3 (Typ) mA SMD -20...+85°C 3,5 x 3 x 1 mm 1 - -
28 pcs in stock
(We are checking the delivery date: 400 pcs)
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1 pcs+
24,20 €
10 pcs+
23,70 €
50 pcs+
23,00 €
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Thermal Conductivity Sensor Calibrated for Air + H2 mixture
Ord. No. 480579
S
Manufacturer SENSIRION

Manufacturer SENSIRION

STC Sensor Thermal Conductivity H2 in air 0...40% - 16 bit I2C - - 3...5,5V 0,073 (Typ, Avg) mA SMD -40...+105°C 3,5 x 3 x 1 mm - - -
0 pcs (available soon)
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1 pcs+
9,2000 €
5 pcs+
8,8000 €
10 pcs+
8,5400 €
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Thermal Conductivity Sensor Calibrated for Air + CO2 mixture
Ord. No. 410169
S
Manufacturer SENSIRION

Manufacturer SENSIRION

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

Manufacturer FIGARO

- Sensor MOS Air contaminants 1...100ppm - 0,3-0,6 ΔR - - - - mA Solid legs -10...+50°C D17,8 x 9,2 mm - - -
9 pcs in stock
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1 pcs+
20,90 €
2 pcs+
19,90 €
4 pcs+
19,40 €
18 pcs+
17,60 €
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