GAS SENSORS FOR SALE
Shop gas sensors at Blackhawk Supply! We offer over 300 different options, including CO, CO2, NO2, combustible and toxic gas sensors from ACI, Belimo, Dwyer, and other top manufacturers!
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![Johnson Controls ECO-D-B-42 AMMONIA (NH3) 0-100 PPM; AMMONIA (NH3) 0-100 PPM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ECO-D-B-42_48103fbc-bf05-4310-b901-922875bde42b_medium.png?v=1719992891)
ECO-D-B-42 | AMMONIA (NH3) 0-100 PPM; AMMONIA (NH3) 0-100 PPM | Johnson Controls
Brand: Johnson Controls
SKU: ECO-D-B-42
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![Johnson Controls ECO-D-B-12-41 CH4 0-100LEL +CO 0-500PPM; CH4 0-100LEL +CO 0-500PPM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ECO-D-B-12-41_c40de07b-2952-4ea1-9bd3-baeb7b1ebc7a_medium.png?v=1719992891)
ECO-D-B-12-41 | CH4 0-100LEL +CO 0-500PPM; CH4 0-100LEL +CO 0-500PPM | Johnson Controls
Brand: Johnson Controls
SKU: ECO-D-B-12-41
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![Johnson Controls ECO-D-B-11-EX HYDROGEN (H2) 0-100% LEL; HYDROGEN (H2) 0-100% LEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ECO-D-B-11-EX_5bc2fe25-df2e-4d2d-b40f-d0e0ad84faf6_medium.png?v=1719992891)
ECO-D-B-11-EX | HYDROGEN (H2) 0-100% LEL; HYDROGEN (H2) 0-100% LEL | Johnson Controls
Brand: Johnson Controls
SKU: ECO-D-B-11-EX
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![Johnson Controls ECO-D-B-13-EX PROPANE (C3H8) 0-100% LEL; PROPANE (C3H8) 0-100% LEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ECO-D-B-13-EX_3bb23dca-a18e-4c4b-8b61-70eda19f5844_medium.png?v=1719992887)
ECO-D-B-13-EX | PROPANE (C3H8) 0-100% LEL; PROPANE (C3H8) 0-100% LEL | Johnson Controls
Brand: Johnson Controls
SKU: ECO-D-B-13-EX
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![Johnson Controls ECO-D-B-20 ALCOHOL VAPOR 0-100% LEL; ALCOHOL VAPOR 0-100% LEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ECO-D-B-20_a8acb2a9-88cc-4c6b-8d42-c99fb6c8c783_medium.png?v=1719992886)
ECO-D-B-20 | ALCOHOL VAPOR 0-100% LEL; ALCOHOL VAPOR 0-100% LEL | Johnson Controls
Brand: Johnson Controls
SKU: ECO-D-B-20
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![Johnson Controls ECO-D-B-42-EX AMMONIA (NH3) 0-100 PPM; AMMONIA (NH3) 0-100 PPM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ECO-D-B-42-EX_5d6d2e1f-007c-421e-980c-5b3be0dd7441_medium.png?v=1719992886)
ECO-D-B-42-EX | AMMONIA (NH3) 0-100 PPM; AMMONIA (NH3) 0-100 PPM | Johnson Controls
Brand: Johnson Controls
SKU: ECO-D-B-42-EX
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![Belimo EXT-OP-6014-B EXT-OP-6014-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_Opera_6000-NO2-product_retina_2f144b86-cafd-4238-b46e-ebd166bb3500_medium.jpg?v=1723860023)
EXT-OP-6014-B | EXT-OP-6014-B | Belimo (OBSOLETE)
Brand: Belimo
SKU: EXT-OP-6014-B
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![Belimo EXT-OP-5514 Replacement Sensor Module, NO2 (0…10ppm) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_EXT-OP-5514-product_fe061c8e-5f05-414e-a19f-9805446e7004_medium.jpg?v=1723859998)
EXT-OP-5514 | Replacement Sensor Module, NO2 (0…10ppm) | Belimo (OBSOLETE)
Brand: Belimo
SKU: EXT-OP-5514
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![Belimo EXT-6002-250-14-B EXT-6002-250-14-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_Opera_Monitor_no_display-product_retina_5364f0ce-feb7-4455-bc53-7bd2d60dd7f9_medium.jpg?v=1723859991)
EXT-6002-250-14-B | EXT-6002-250-14-B | Belimo (OBSOLETE)
Brand: Belimo
SKU: EXT-6002-250-14-B
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![Belimo EXT-6002-250-14-C EXT-6002-250-14-C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_Opera_Monitor_no_display-product_retina_48f633c9-29da-4806-b208-f7b511ae7235_medium.jpg?v=1723859985)
EXT-6002-250-14-C | EXT-6002-250-14-C | Belimo (OBSOLETE)
Brand: Belimo
SKU: EXT-6002-250-14-C
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![Belimo EXT-6002-250-14-A EXT-6002-250-14-A | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_Opera_Monitor_no_display-product_retina_medium.jpg?v=1723859978)
EXT-6002-250-14-A | EXT-6002-250-14-A | Belimo (OBSOLETE)
Brand: Belimo
SKU: EXT-6002-250-14-A
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![ACI Q5-SO2-6P-O-X SULPHUR DIOXIDE, 0-6 PPM, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_28f5ce8f-d7da-407b-9041-0ae7550d0748_medium.jpg?v=1719983198)
Q5-SO2-6P-O-X | SULPHUR DIOXIDE, 0-6 PPM, ETL | ACI
Brand: ACI
SKU: Q5-SO2-6P-O-X
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![ACI Q5-GENL-100L-O-X-GASOLINE COMBUSTIBLE GASOLINE, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_e232fe1f-efce-40c4-b2db-ac1e89ce27fe_medium.jpg?v=1719983185)
Q5-GENL-100L-O-X-GASOLINE | COMBUSTIBLE GASOLINE, ETL | ACI
Brand: ACI
SKU: Q5-GENL-100L-O-X-GASOLINE
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![ACI Q8-C3H8-100L-O-X PROPANE GAS SENSOR QEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_af2b9020-a254-42d1-8b22-48af5d9b73a8_medium.png?v=1719983180)
Q8-C3H8-100L-O-X | PROPANE GAS SENSOR QEL | ACI
Brand: ACI
SKU: Q8-C3H8-100L-O-X
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![ACI QTS-17171X-S000000 Expl Proof Sensor, Hydrogen, 0-100% LEL, 3-wire 4-20mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_6a83d00d-83eb-480a-9575-259c027d705a_medium.png?v=1719983176)
QTS-17171X-S000000 | Expl Proof Sensor, Hydrogen, 0-100% LEL, 3-wire 4-20mA | ACI
Brand: ACI
SKU: QTS-17171X-S000000
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![ACI Q8-CH4-100L-R-X METHANE, CATALYTIC, REMOTE SEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_e2bc909f-dd5a-4f99-aa89-17cb5ef6bf0d_medium.png?v=1719983167)
Q8-CH4-100L-R-X | METHANE, CATALYTIC, REMOTE SEN | ACI
Brand: ACI
SKU: Q8-CH4-100L-R-X
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![ACI Q8-CL2-5P-0-A Q8-CL2/ Chlorine Electrochemical 0-5PPM, Explosion Proof Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_8ad28f61-4470-49fa-b1bd-9ed120535cac_medium.png?v=1719983170)
Q8-CL2-5P-0-A | Q8-CL2 / Chlorine Electrochemical 0-5PPM, Explosion Proof Enclosure | ACI (OBSOLETE)
Brand: ACI
SKU: Q8-CL2-5P-0-A
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![ACI Q5-C6H6-100L-O-X BENZENE, 0-100% LEL, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_57059404-6897-4bbf-80d0-b13cd8dd5eb1_medium.jpg?v=1719983166)
Q5-C6H6-100L-O-X | BENZENE, 0-100% LEL, ETL | ACI
Brand: ACI
SKU: Q5-C6H6-100L-O-X
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![ACI Q5-NO2-10P-O-X NO2, 0-10PPM, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_260f01c0-d323-4530-badd-933ba4fd087b_medium.jpg?v=1719983161)
Q5-NO2-10P-O-X | NO2, 0-10PPM, ETL | ACI
Brand: ACI
SKU: Q5-NO2-10P-O-X
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![ACI Q6R-CH4-100L Smart Sensor, Remote, Methane, 0-100% LEL, NEMA 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_106134b2-8cd3-45f5-afc9-363f7e211249_medium.png?v=1719983152)
Q6R-CH4-100L | Smart Sensor, Remote, Methane, 0-100% LEL, NEMA 4X | ACI (OBSOLETE)
Brand: ACI
SKU: Q6R-CH4-100L
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![ACI Q8-GENL-100L-O-X XYLENE Combustible Catalytic Bead 0-100% LEL, Explosion proof enclosure, Xylene | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_7cfd3d28-e79b-4a6e-a70f-86cd89e8399c_medium.png?v=1719983153)
Q8-GENL-100L-O-X XYLENE | Combustible Catalytic Bead 0-100% LEL, Explosion proof enclosure, Xylene | ACI
Brand: ACI
SKU: Q8-GENL-100L-O-X XYLENE
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![ACI QTS-17181X-S000000 Expl Proof Sensor, Gasoline, 0-100% LEL, 3-wire 4-20mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_b0a20a20-cc2a-485a-bcc8-b0e68df24b3d_medium.png?v=1719983152)
QTS-17181X-S000000 | Expl Proof Sensor, Gasoline, 0-100% LEL, 3-wire 4-20mA | ACI
Brand: ACI
SKU: QTS-17181X-S000000
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