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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 A/100-3W-I-4"-BB-NIST 100 Ohm (Three Wires) RTD, Immersion, Welded Well, 4", NEMA 3R Enclosure, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-bb_67e4bd9d-64f7-4cc6-81c3-92d2f841b97b_medium.png?v=1719981363)
A / 100-3W-I-4"-BB-NIST | 100 Ohm (Three Wires) RTD, Immersion, Welded Well, 4", NEMA 3R Enclosure, NIST Cert | ACI
Brand: ACI
SKU: A/100-3W-I-4"-BB-NIST
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![ACI A/3K-D-18"-BB-NIST 3,000 Ohm Thermistor, Duct, 18", NEMA 3R Enclosure, NIST cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-8-1-bb_b0a933ce-cc2e-4649-b456-e4a20a153622_medium.png?v=1719981746)
A / 3K-D-18"-BB-NIST | 3, 000 Ohm Thermistor, Duct, 18", NEMA 3R Enclosure, NIST cert | ACI
Brand: ACI
SKU: A/3K-D-18"-BB-NIST
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![ACI A/CP-IM-4"-4X-NIST 10,000 Ohm Thermistor (Type II), Immersion, Machined Well, 4", NEMA 4X Enclosure, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_02a47500-3130-45ba-bb68-b5a4ddeacf6e_medium.jpg?v=1719982093)
A / CP-IM-4"-4X-NIST | 10, 000 Ohm Thermistor (Type II), Immersion, Machined Well, 4", NEMA 4X Enclosure, NIST Cert | ACI
Brand: ACI
SKU: A/CP-IM-4"-4X-NIST
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![ACI A/TTM1K-O-4-4X-POTTED Transmitter w/ 1,000 Ohm RTD (NIST Cert), Outside Air, NEMA 4X Enclosure, 4-20mA Output, Potted Board | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-ttm1k-o-4-bb-potted_d96c2ffe-1feb-42fb-a3d7-07333298e3a6_medium.png?v=1719982889)
A / TTM1K-O-4-4X-POTTED | Transmitter w / 1, 000 Ohm RTD (NIST Cert), Outside Air, NEMA 4X Enclosure, 4-20mA Output, Potted Board | ACI
Brand: ACI
SKU: A/TTM1K-O-4-4X-POTTED
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![ACI BN2110-RA-36-PB BACnet MS/TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 36", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-d-4-pb_c8dfd725-31db-41fb-ab41-e9ed3d3d1a91_medium.png?v=1719983000)
BN2110-RA-36-PB | BACnet MS / TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 36", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-RA-36-PB
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![ACI TUC2-10-F2-1F-C0-S-X-X-X LCD, SET, O/R, DEG F | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-tuc2-cp-f1-1f-zy-c-x-x-x_a49adf97-37aa-4822-a0a0-4a5815da611e_medium.png?v=1719983139)
TUC2-10-F2-1F-C0-S-X-X-X | LCD, SET, O / R, DEG F | ACI
Brand: ACI
SKU: TUC2-10-F2-1F-C0-S-X-X-X
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![ACI BN2110-RA-24-PB BACnet MS/TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 24", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-d-4-pb_4053e70d-700a-4e49-8e0c-5bc994347a11_medium.png?v=1719983005)
BN2110-RA-24-PB | BACnet MS / TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 24", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-RA-24-PB
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![ACI BN2110-RA-18-PB BACnet MS/TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 18", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-d-4-pb_e971bff4-2e30-4faa-97aa-9153e2e1b84f_medium.png?v=1719983004)
BN2110-RA-18-PB | BACnet MS / TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 18", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-RA-18-PB
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![ACI A/CP-INW-6"-BB-NIST 10,000 Ohm Thermistor (Type II), Immersion, no Well, 6", NEMA 3R Enclosure, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_db56754c-d7ce-4a8e-9dd9-019a90435b05_medium.png?v=1719982074)
A / CP-INW-6"-BB-NIST | 10, 000 Ohm Thermistor (Type II), Immersion, no Well, 6", NEMA 3R Enclosure, NIST Cert | ACI
Brand: ACI
SKU: A/CP-INW-6"-BB-NIST
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![ACI BN2110-RA-12-PB BACnet MS/TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 12", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-d-4-pb_f8091ec5-08a5-4428-8951-97290c47c611_medium.png?v=1719983009)
BN2110-RA-12-PB | BACnet MS / TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 12", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-RA-12-PB
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![ACI BN2110-FA-50-PB BACnet MS/TP, Modbus RTU, Temperature, Flexible Cable Averaging, 50', Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-fa-12-pb_491b83ad-be72-4a53-a391-83422a9d35cd_medium.png?v=1719983014)
BN2110-FA-50-PB | BACnet MS / TP, Modbus RTU, Temperature, Flexible Cable Averaging, 50', Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-FA-50-PB
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![ACI BN2110-FA-8-PB BACnet MS/TP, Modbus RTU, Temperature, Flexible Cable Averaging, 8', Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-fa-12-pb_medium.png?v=1719983010)
BN2110-FA-8-PB | BACnet MS / TP, Modbus RTU, Temperature, Flexible Cable Averaging, 8', Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-FA-8-PB
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![ACI BN2110-FA-24-PB BACnet MS/TP, Modbus RTU, Temperature Flexible Cable Averaging, 24', Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-fa-12-pb_5883dd77-edb2-436b-beda-600615a110f3_medium.png?v=1719983024)
BN2110-FA-24-PB | BACnet MS / TP, Modbus RTU, Temperature Flexible Cable Averaging, 24', Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-FA-24-PB
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![ACI A/20K-A-12'-PB-NIST 20,000 Ohm Thermistor, Copper Averaging, 12', Plastic Enclosure, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-a-12-bb_e08017e9-e83e-4f9e-84b4-0bd74e3dbbd0_medium.png?v=1719981673)
A / 20K-A-12'-PB-NIST | 20, 000 Ohm Thermistor, Copper Averaging, 12', Plastic Enclosure, NIST Cert | ACI
Brand: ACI
SKU: A/20K-A-12'-PB-NIST
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![ACI A/20K-IM-1"-GD-NIST 20,000 Ohm Thermistor, Immersion, Machined Well, 1", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-im-4-gd_a2a74c73-44ed-4ceb-a23f-5a76b62aebcd_medium.jpg?v=1719981687)
A / 20K-IM-1"-GD-NIST | 20, 000 Ohm Thermistor, Immersion, Machined Well, 1", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/20K-IM-1"-GD-NIST
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![ACI BN2110-A-24-PB BACnet MS/TP, Modbus RTU, Temperature, Copper Averaging, 24', Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-a-50-pb_234e1618-881a-4533-af14-27c7eba259a1_medium.png?v=1719983009)
BN2110-A-24-PB | BACnet MS / TP, Modbus RTU, Temperature, Copper Averaging, 24', Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-A-24-PB
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![ACI BN2110-A-12-PB BACnet MS/TP, Modbus RTU, Temperature, Copper Averaging, 12', Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-a-50-pb_medium.png?v=1719983009)
BN2110-A-12-PB | BACnet MS / TP, Modbus RTU, Temperature, Copper Averaging, 12', Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-A-12-PB
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![ACI A/1K-NI-RA-24"-4X 1,000 Ohm Nickel RTD, Rigid Probe Averaging, 24", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_4d9a5d4b-9714-463b-bc7f-de5c791b4eb5_medium.png?v=1719981644)
A / 1K-NI-RA-24"-4X | 1, 000 Ohm Nickel RTD, Rigid Probe Averaging, 24", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-RA-24"-4X
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![ACI A/100-3W-HT-BP-NIST 100 Ohm (Three Wires) RTD, High Temperature Bullet Probe, 1" 316SS, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-ht-bp-8_95967c91-4d2d-4ac9-b463-0260867b321c_medium.png?v=1719981349)
A / 100-3W-HT-BP-NIST | 100 Ohm (Three Wires) RTD, High Temperature Bullet Probe, 1" 316SS, NIST Cert | ACI
Brand: ACI
SKU: A/100-3W-HT-BP-NIST
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![ACI BN2110-RA-48-PB BACnet MS/TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 48", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-d-4-pb_9998caac-c3a4-4a3e-8523-fe02588f9862_medium.png?v=1719983004)
BN2110-RA-48-PB | BACnet MS / TP, Modbus RTU, Temperature, Rigid Probe Averaging, SS, 48", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-RA-48-PB
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![ACI BN2110-INW-6-PB BACnet MS/TP, Modbus RTU, Temperature, Immersion No Well, 6", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-inw-2-5-pb_medium.png?v=1719983009)
BN2110-INW-6-PB | BACnet MS / TP, Modbus RTU, Temperature, Immersion No Well, 6", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-INW-6-PB
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![ACI BN2110-INW-2.5-PB BACnet MS/TP, Modbus RTU, Temperature, Immersion No Well, 2.5", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-inw-2-5-pb_2683320b-4ea7-4591-9ecc-cd406971dcf8_medium.png?v=1719983004)
BN2110-INW-2.5-PB | BACnet MS / TP, Modbus RTU, Temperature, Immersion No Well, 2.5", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-INW-2.5-PB
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![ACI BN2110-O BACnet MS/TP, Modbus RTU, Temperature, Outside, Euro Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh1-o_80035851-92cb-43e2-9086-26d99812774c_medium.png?v=1719983015)
BN2110-O | BACnet MS / TP, Modbus RTU, Temperature, Outside, Euro Enclosure | ACI
Brand: ACI
SKU: BN2110-O
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![ACI BN2110-D-18-PB BACnet MS/TP, Modbus RTU, Temperature, Duct, SS, 18", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-bn2110-d-4-pb_899c8f82-3058-4df1-9a73-0f9d4e19f153_medium.png?v=1719983014)
BN2110-D-18-PB | BACnet MS / TP, Modbus RTU, Temperature, Duct, SS, 18", Plastic Enclosure | ACI
Brand: ACI
SKU: BN2110-D-18-PB
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