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SparkFun Electronics will be closed on November 26, 2020 and November 27, 2020 for the Thanksgiving holiday. We will begin normal operations at 9:00 AM Mountain Time on November 30, 2020.

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Please see all COVID-19 updates here as some shipments may be delayed due to CDC safety and staffing guidelines. If you have an order or shipping question please refer to our Customer Support page. For technical questions please check out our Forums. Thank you for your continued support.

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LPG Gas Sensor - MQ-6

LPG Gas Sensor - MQ-6

SEN-09405
$4.95
Hydrogen Sulfide Gas Sensor - MQ-136

Hydrogen Sulfide Gas Sensor - MQ-136

SEN-17052
$34.95
SparkX Refrigeration Gas Sensor - ZMOD4450 (Qwiic)

SparkX Refrigeration Gas Sensor - ZMOD4450 (Qwiic)

SPX-16677
$39.95
Low Concentration Ozone Gas Sensor - MQ-131

Low Concentration Ozone Gas Sensor - MQ-131

SEN-17051
$34.95
Ammonia Gas Sensor - MQ-137

Ammonia Gas Sensor - MQ-137

SEN-17053
$34.95
Smoke Sensor - MQ-2

Smoke Sensor - MQ-2

SEN-17049
$4.95
Methane CNG Gas Sensor - MQ-4

Methane CNG Gas Sensor - MQ-4

SEN-09404
$4.95
1
Hydrogen Gas Sensor - MQ-8

Hydrogen Gas Sensor - MQ-8

SEN-10916
$4.95
Dual Gas CO and CH4 Detection Sensor - MQ-9B

Dual Gas CO and CH4 Detection Sensor - MQ-9B

SEN-17050
$5.95
SparkFun Gas Sensor Breakout

SparkFun Gas Sensor Breakout

BOB-08891
$0.95
2
Carbon Monoxide Sensor - MQ-7

Carbon Monoxide Sensor - MQ-7

SEN-09403
$4.95
Alcohol Gas Sensor - MQ-3

Alcohol Gas Sensor - MQ-3

SEN-08880
$4.95
2
Vernier Sensor -  Gas Pressure Sensor

Vernier Sensor - Gas Pressure Sensor

SEN-12874
$82.95
Industrial Nitrogen Dioxide (NO2) Sensor - 20ppm

Industrial Nitrogen Dioxide (NO2) Sensor - 20ppm

SEN-16958
$100.95
Industrial Hydrogen Sulphide (H2S) Sensor - 100ppm

Industrial Hydrogen Sulphide (H2S) Sensor - 100ppm

SEN-16957
$60.95
Mikroe Ammonia Click

Mikroe Ammonia Click

SEN-17184
$57.95
Industrial Hydrogen Sulphide (H2S) Sensor - 200ppm

Industrial Hydrogen Sulphide (H2S) Sensor - 200ppm

SEN-16956
$66.95
Industrial Chlorine (CL2) Sensor - 20ppm

Industrial Chlorine (CL2) Sensor - 20ppm

SEN-16959
$114.95
Industrial Sulfur Dioxide (SO2) Sensor - 100ppm

Industrial Sulfur Dioxide (SO2) Sensor - 100ppm

SEN-16960
$114.95
Gas Plasma Arrestors 4kV 20% 3kA EHV63-H40B2

Gas Plasma Arrestors 4kV 20% 3kA EHV63-H40B2

COM-16153
$3.95
Industrial Nitric Oxide (NO) Sensor - 100ppm

Industrial Nitric Oxide (NO) Sensor - 100ppm

SEN-16961
$114.95
Industrial Ammonia (NH3) Sensor - 100ppm

Industrial Ammonia (NH3) Sensor - 100ppm

SEN-16962
$115.95
Industrial Ammonia (NH3) Sensor - 1000ppm

Industrial Ammonia (NH3) Sensor - 1000ppm

SEN-16963
$115.95
Industrial Ethylene Oxide Sensor - 20ppm

Industrial Ethylene Oxide Sensor - 20ppm

SEN-16964
$117.95
Industrial Oxygen Sensor

Industrial Oxygen Sensor

SEN-16965
$52.95
Industrial Carbon Monoxide Sensor

Industrial Carbon Monoxide Sensor

SEN-16966
$66.95
Pyroelectric Dual Channel Sensor - Fat A

Pyroelectric Dual Channel Sensor - Fat A

SEN-16967
$277.95
Pyroelectric Dual Channel Sensor - Protein (9.61m/150nm)

Pyroelectric Dual Channel Sensor - Protein (9.61m/150nm)

SEN-16968
$277.95
Pyroelectric Dual Channel Sensor - Protein (6.46m/130nm)

Pyroelectric Dual Channel Sensor - Protein (6.46m/130nm)

SEN-16969
$277.95
Pyroelectric Dual Channel Sensor - Lactose

Pyroelectric Dual Channel Sensor - Lactose

SEN-16970
$277.95
Gas Plasma Arrestors 3.6kV 20% 3kA EHV62-H36B2

Gas Plasma Arrestors 3.6kV 20% 3kA EHV62-H36B2

COM-16148
$3.95
Four Channel Pyroelectric Sensor - Anaesthetic Gases

Four Channel Pyroelectric Sensor - Anaesthetic Gases

SEN-16971
$392.95
Gas Plasma Arrestors 4kV 20% 3kA EHV63-H40B1

Gas Plasma Arrestors 4kV 20% 3kA EHV63-H40B1

COM-16149
$3.95
Four Channel Pyroelectric Sensor - Exhaust Environmental

Four Channel Pyroelectric Sensor - Exhaust Environmental

SEN-16972
$321.95
Gas Plasma Arrestors 3kV 20% 3kA EHV63-H30B7

Gas Plasma Arrestors 3kV 20% 3kA EHV63-H30B7

COM-16150
$3.95
Infrared Detector for HC, CO, CO2

Infrared Detector for HC, CO, CO2

SEN-16973
$321.95
Gas Plasma Arrestors 2.5kV 20% 3kA EHV63-H25B1

Gas Plasma Arrestors 2.5kV 20% 3kA EHV63-H25B1

COM-16151
$3.95
Four Channel Pyroelectric Sensor - Anaesthesia

Four Channel Pyroelectric Sensor - Anaesthesia

SEN-16974
$392.95
 Gas Plasma Arrestors 4.5kV 20% 3kA EHV63-H45B2

Gas Plasma Arrestors 4.5kV 20% 3kA EHV63-H45B2

COM-16152
$3.95