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Welcome to ACI Products! We offer over 6000 products, such as CO and NO2 sensors, current switches, temperature and humidity monitors, and more.
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![ACI Q8-CH4-100L-O-X METHANE,CATALYTIC BEAD, 0-100% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_4af5df97-b034-4779-9bc4-9c07f257bc1e_medium.png?v=1719983071)
Q8-CH4-100L-O-X | METHANE, CATALYTIC BEAD, 0-100% | ACI
Brand: ACI
SKU: Q8-CH4-100L-O-X
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![ACI Q8-C3H8-100L-R-X PROPANE,CATALYTIC,REMOTE SENSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_d3fe5120-6685-410e-8bd5-b12d76aa38a6_medium.png?v=1719983147)
Q8-C3H8-100L-R-X | PROPANE, CATALYTIC, REMOTE SENSR | ACI
Brand: ACI
SKU: Q8-C3H8-100L-R-X
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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 Q-CONTROLLERA-000 Controller, 4 RS-485 ports, 4 SPDT Relays, 7" LCD touchscreen | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q-controllera-000_medium.png?v=1719983125)
Q-CONTROLLERA-000 | Controller, 4 RS-485 ports, 4 SPDT Relays, 7" LCD touchscreen | ACI
Brand: ACI
SKU: Q-CONTROLLERA-000
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![ACI Q5-O3-1P-O-X Q5, OZONE, 1P, STNDRD ENC, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_80d386a0-e06d-4614-be1f-62ca194a84ff_medium.jpg?v=1719983063)
Q5-O3-1P-O-X | Q5, OZONE, 1P, STNDRD ENC, ETL | ACI
Brand: ACI
SKU: Q5-O3-1P-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 Q5-NH3-100P-O-X AMMONIA, 0-100 PPM, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_24be74ec-5f02-4f2b-93f3-a2dd7117aff0_medium.jpg?v=1719983138)
Q5-NH3-100P-O-X | AMMONIA, 0-100 PPM, ETL | ACI
Brand: ACI
SKU: Q5-NH3-100P-O-X
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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 Q5-NH3-1000P-O-X AMMONIA, 0-1000 PPM,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_a49c9b45-fc12-4f08-803d-5c25866bfc45_medium.jpg?v=1719983053)
Q5-NH3-1000P-O-X | AMMONIA, 0-1000 PPM, ETL | ACI
Brand: ACI
SKU: Q5-NH3-1000P-O-X
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![ACI Q5-H2-2000P-O-X HYDROGEN, ELECT.MECH, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_3819ec39-43c9-4160-b6bd-2d5bd0095922_medium.jpg?v=1719983115)
Q5-H2-2000P-O-X | HYDROGEN, ELECT.MECH, ETL | ACI
Brand: ACI
SKU: Q5-H2-2000P-O-X
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![ACI Q5-NO-100P-O-X NITRIC OXIDE, 0-100 PPM, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_53e8370a-9dec-43e9-9f8f-213834ec1feb_medium.jpg?v=1719983139)
Q5-NO-100P-O-X | NITRIC OXIDE, 0-100 PPM, ETL | ACI
Brand: ACI
SKU: Q5-NO-100P-O-X
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![ACI Q5-GENL-100L-O-X-VOC COMBUSTIBLE VOC, CATALYTIC,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_5c9994fb-ca8e-44ec-bfb2-d03d86e70243_medium.jpg?v=1719983143)
Q5-GENL-100L-O-X-VOC | COMBUSTIBLE VOC, CATALYTIC, ETL | ACI
Brand: ACI
SKU: Q5-GENL-100L-O-X-VOC
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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 Q5-GENL-100L-O-X-DIESEL COMBUSTIBLE DIESEL, CATALYTC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_53571dec-b007-48e1-acda-f22017845fab_medium.jpg?v=1719983067)
Q5-GENL-100L-O-X-DIESEL | COMBUSTIBLE DIESEL, CATALYTC | ACI
Brand: ACI
SKU: Q5-GENL-100L-O-X-DIESEL
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![ACI Q5-HCL-30P-O-X HYDROGEN CHLORIDE, 0-30PPM,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_f7c1ca71-0845-4f15-ac59-78bfcd5f9f44_medium.jpg?v=1719983114)
Q5-HCL-30P-O-X | HYDROGEN CHLORIDE, 0-30PPM, ETL | ACI
Brand: ACI
SKU: Q5-HCL-30P-O-X
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![ACI Q5-GENL-100L-O-X-ACETLYENE COMBUSTIBLE ACETYLENE,CATALYTC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_4956f0f5-3bbd-44dc-b5ae-346d07a5c069_medium.jpg?v=1719983142)
Q5-GENL-100L-O-X-ACETLYENE | COMBUSTIBLE ACETYLENE, CATALYTC | ACI
Brand: ACI
SKU: Q5-GENL-100L-O-X-ACETLYENE
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![ACI Q5-H2S-25P-O-X HYDROGEN SULPHIDE,0-25 PPM,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_28a78a27-235b-4451-9874-f3dcad7afcc7_medium.jpg?v=1719983087)
Q5-H2S-25P-O-X | HYDROGEN SULPHIDE, 0-25 PPM, ETL | ACI
Brand: ACI
SKU: Q5-H2S-25P-O-X
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![ACI Q5-ETO-20P-O-X ETHYLENE OXIDE, 0-20PPM, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_efc02a54-22d6-40c0-85d2-d584029341c2_medium.jpg?v=1719983138)
Q5-ETO-20P-O-X | ETHYLENE OXIDE, 0-20PPM, ETL | ACI
Brand: ACI
SKU: Q5-ETO-20P-O-X
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![ACI Q5-H2S-100P-O-X HYDROGEN SULPHDE,0-100 PPM,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_7740cdbb-5de4-4338-a83a-20bfedd8ec82_medium.jpg?v=1719983176)
Q5-H2S-100P-O-X | HYDROGEN SULPHDE, 0-100 PPM, ETL | ACI
Brand: ACI
SKU: Q5-H2S-100P-O-X
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![ACI Q5-CO2-20V-O-X CO2 SENSOR, 0-20% VOL,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_d5d4320f-63c5-4f76-ab1b-bec882e6eeac_medium.jpg?v=1719983053)
Q5-CO2-20V-O-X | CO2 SENSOR, 0-20% VOL, ETL | ACI
Brand: ACI
SKU: Q5-CO2-20V-O-X
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![ACI Q5-CL2-5P-O-X CHLORINE, 0-5 PPM, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_008cc644-adb4-4a96-9879-83420534f9c2_medium.jpg?v=1719983062)
Q5-CL2-5P-O-X | CHLORINE, 0-5 PPM, ETL | ACI
Brand: ACI
SKU: Q5-CL2-5P-O-X
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![ACI Q5-H2-1000P-O-X HYDROGEN,ELECT.MECH, ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_25c4a1e6-449d-4af7-8c4c-148fc07cda4b_medium.jpg?v=1719983054)
Q5-H2-1000P-O-X | HYDROGEN, ELECT.MECH, ETL | ACI
Brand: ACI
SKU: Q5-H2-1000P-O-X
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MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418-500![Schneider Electric MA-418 Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_c6d3be61-0ef2-433b-830d-9bec9e29b3e0_large.jpg?v=1719925296)
MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418![Veris PW2XX05S Pressure | Wet | NEMA 4 | 0-250PSID | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PW2XX05S_large.jpg?v=1720029918)
PW2XX05S | Pressure | Wet | NEMA 4 | 0-250PSID | Veris
Brand: Veris
SKU: PW2XX05S