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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/20K-DO-6"-10'CMP 20,000 Ohm Thermistor, Duct, Without Box, 6", 10' Plenum PVC Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_469d5391-6ede-47cc-841e-823a3f2c18d2_medium.png?v=1720033530)
A / 20K-DO-6"-10'CMP | 20, 000 Ohm Thermistor, Duct, Without Box, 6", 10' Plenum PVC Cable | ACI
Brand: ACI
SKU: A/20K-DO-6"-10'CMP
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![ACI A/20K-DO-12"-20'CMP 20,000 Ohm Thermistor, Duct, Without Box, 12", 20' Plenum PVC Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_c44ad411-7022-4f1b-bd23-89eae2d9c445_medium.png?v=1720033533)
A / 20K-DO-12"-20'CMP | 20, 000 Ohm Thermistor, Duct, Without Box, 12", 20' Plenum PVC Cable | ACI
Brand: ACI
SKU: A/20K-DO-12"-20'CMP
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![ACI A/1K-NI-R2S-A10-C5 1,000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 1K Ohms, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2s-a06-g5_6929ca12-a9d3-4e43-98d2-38058203c203_medium.png?v=1720033530)
A / 1K-NI-R2S-A10-C5 | 1, 000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 1K Ohms, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/1K-NI-R2S-A10-C5
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![ACI A/1K-NI-INW-1"-PB 1,000 Ohm Nickel RTD, Immersion, No Well, 1.25", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-4-pb_6669f49f-e4b2-4f86-a2ca-32b5c9811859_medium.png?v=1720033530)
A / 1K-NI-INW-1"-PB | 1, 000 Ohm Nickel RTD, Immersion, No Well, 1.25", Plastic Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-INW-1"-PB
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![ACI A/1K-NI-R2S-A09-D3 1,000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 2K Ohms, Warm/Cool Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_b1d84683-0c19-497a-8304-5da5bbf9a1c3_medium.png?v=1720033532)
A / 1K-NI-R2S-A09-D3 | 1, 000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 2K Ohms, Warm / Cool Sticker | ACI
Brand: ACI
SKU: A/1K-NI-R2S-A09-D3
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![ACI A/1K-NI-IM-6"-4X 1,000 Ohm Nickel RTD, Immersion, Machined Well, 6", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_bbb79fc9-a1c3-4cab-bb58-f13d70e2f179_medium.jpg?v=1720033530)
A / 1K-NI-IM-6"-4X | 1, 000 Ohm Nickel RTD, Immersion, Machined Well, 6", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-IM-6"-4X
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![ACI A/1K-NI-INW-12"-PB 1,000 Ohm Nickel RTD, Immersion, No Well, 12", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-4-pb_a258acaa-b389-48c7-a499-93ed32d6250a_medium.png?v=1720033532)
A / 1K-NI-INW-12"-PB | 1, 000 Ohm Nickel RTD, Immersion, No Well, 12", Plastic Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-INW-12"-PB
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![ACI A/1K-NI-INW-8"-4X 1,000 Ohm Nickel RTD, Immersion, No Well, 8", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-inw-6-4-4x-potted_3e6d1e39-fa1d-4d8b-95e2-d2f107a26f8f_medium.jpg?v=1720033530)
A / 1K-NI-INW-8"-4X | 1, 000 Ohm Nickel RTD, Immersion, No Well, 8", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-INW-8"-4X
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![ACI A/1K-NI-R2-RJ6 1,000 Ohm Nickel RTD, Room (R2), Comm Jack (6 Pin/6 Conductor) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_00be7260-14d2-4450-9618-8873b55ccda6_medium.png?v=1720033528)
A / 1K-NI-R2-RJ6 | 1, 000 Ohm Nickel RTD, Room (R2), Comm Jack (6 Pin / 6 Conductor) | ACI
Brand: ACI
SKU: A/1K-NI-R2-RJ6
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![ACI A/1K-NI-R2S-A09-B4 1,000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 2K Ohms, 55-85 Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_5f0a5635-41ee-4464-8319-acc8a2e5f1ef_medium.png?v=1720033535)
A / 1K-NI-R2S-A09-B4 | 1, 000 Ohm Nickel RTD, Room (R2), Setpoint 0 to 2K Ohms, 55-85 Sticker | ACI
Brand: ACI
SKU: A/1K-NI-R2S-A09-B4
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![ACI 85930-017-019-VOC Smart Sensor replacement, VOC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_4fcab833-e275-406b-9474-44b380b21afd_medium.jpg?v=1720033526)
85930-017-019-VOC | Smart Sensor replacement, VOC | ACI
Brand: ACI
SKU: 85930-017-019-VOC
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![ACI A/1K-3W-INW-8"-4X 1,000 Ohm (Three Wires) RTD, Immersion, No Well, 8", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-inw-6-4-4x-potted_2a71d171-6e1f-4ade-b379-dd5976e2023e_medium.jpg?v=1720033529)
A / 1K-3W-INW-8"-4X | 1, 000 Ohm (Three Wires) RTD, Immersion, No Well, 8", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1K-3W-INW-8"-4X
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![ACI A/1K-NI-IM-4"-BB 1,000 Ohm Nickel RTD, Immersion, Machined Well, 4", NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-3w-ht-im-4-bb_5397c94f-255e-4286-b4ec-7a1400f73282_medium.png?v=1720033529)
A / 1K-NI-IM-4"-BB | 1, 000 Ohm Nickel RTD, Immersion, Machined Well, 4", NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-IM-4"-BB
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![ACI A/1K-NI-FA-50'-GD 1,000 Ohm Nickel RTD, Flexible Cable Averaging, 50', Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100ks-fa-12-gd_d2022d04-573d-478d-886c-489e7faf1b13_medium.png?v=1720033528)
A / 1K-NI-FA-50'-GD | 1, 000 Ohm Nickel RTD, Flexible Cable Averaging, 50', Galvanized Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-FA-50'-GD
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![ACI A/1K-NI-IM-1"-PB 1,000 Ohm Nickel RTD, Immersion, Machined Well, 1.25", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-im-2-5-pb_96aeb5e5-a70b-4c60-9698-9024bd16680b_medium.jpg?v=1720033529)
A / 1K-NI-IM-1"-PB | 1, 000 Ohm Nickel RTD, Immersion, Machined Well, 1.25", Plastic Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-IM-1"-PB
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![ACI A/1K-3W-PO-6"-NIST 1,000 Ohm (Three Wires) RTD, Duct, Without Box, 6", NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-0-1cp-po-4_161f428a-1782-4194-8c33-cec18c37e4b0_medium.jpg?v=1720033529)
A / 1K-3W-PO-6"-NIST | 1, 000 Ohm (Three Wires) RTD, Duct, Without Box, 6", NIST Cert | ACI
Brand: ACI
SKU: A/1K-3W-PO-6"-NIST
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![ACI A/1K-NI-DO-12"-10'CL2P 1,000 Ohm Nickel RTD, Duct, Without Box, 12", 10' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_4f944725-65c0-4dfb-8487-d988a8caf303_medium.png?v=1720033528)
A / 1K-NI-DO-12"-10'CL2P | 1, 000 Ohm Nickel RTD, Duct, Without Box, 12", 10' Plenum Cable | ACI
Brand: ACI
SKU: A/1K-NI-DO-12"-10'CL2P
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![ACI A/100-2W-RSO-A12-C5 100 Ohm (Two Wires) RTD, Room (R), Setpoint 0 to 400 Ohms, Override, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-csi-rso-rj6-a29-c5_205709a6-0832-4421-9c05-1828c036c153_medium.png?v=1720033528)
A / 100-2W-RSO-A12-C5 | 100 Ohm (Two Wires) RTD, Room (R), Setpoint 0 to 400 Ohms, Override, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/100-2W-RSO-A12-C5
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![ACI A/100-2W-S10-4X 100 Ohm Thermistor (Two Witres) RTD, Strap On, 10" Strap, NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-s10-4x-nist_5242eae9-5462-4cb2-a43d-caa65840ffc5_medium.jpg?v=1720033528)
A / 100-2W-S10-4X | 100 Ohm Thermistor (Two Witres) RTD, Strap On, 10" Strap, NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/100-2W-S10-4X
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![ACI A/100KS-FA-12'-GD 100,000 Ohm Thermistor, Flexible Cable Averaging, 12', Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100ks-fa-12-gd_230c5500-912d-4d6a-844b-2f8b0b92834b_medium.png?v=1720033517)
A / 100KS-FA-12'-GD | 100, 000 Ohm Thermistor, Flexible Cable Averaging, 12', Galvanized Enclosure | ACI
Brand: ACI
SKU: A/100KS-FA-12'-GD
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![ACI A/0.1AN-INW-6"-GD High Accuracy, 10,000 Ohm Thermistor (Type III), Immersion, No Well, 6", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_82f2f23f-f146-4a90-95e8-c570f51f7557_medium.png?v=1720033525)
A / 0.1AN-INW-6"-GD | High Accuracy, 10, 000 Ohm Thermistor (Type III), Immersion, No Well, 6", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/0.1AN-INW-6"-GD
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![ACI A/1K-3W-IM-8"-4X 1,000 Ohm (Three Wires) RTD, Immersion, Machined Well, 8", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_3ffbb107-61f0-41cf-98e3-6e32f099423a_medium.jpg?v=1720033526)
A / 1K-3W-IM-8"-4X | 1, 000 Ohm (Three Wires) RTD, Immersion, Machined Well, 8", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1K-3W-IM-8"-4X
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![ACI A/1K-3W-A-24'-GD-NIST 1,000 Ohm (Three Wires) RTD, Copper Averaging, 24', Galvanized Enclosure, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-a-12-gd_f7781930-59d5-484c-8d64-f00ae8b4c1a1_medium.png?v=1720033527)
A / 1K-3W-A-24'-GD-NIST | 1, 000 Ohm (Three Wires) RTD, Copper Averaging, 24', Galvanized Enclosure, NIST Cert | ACI
Brand: ACI
SKU: A/1K-3W-A-24'-GD-NIST
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![ACI A/10KS-DO-4"-6'CMP 10,000 Ohm Thermistor, Duct, Without Box, 4", 6' Plenum PVC Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_1e7443a6-5a80-4f40-a10f-2134e03202b8_medium.png?v=1720033521)
A / 10KS-DO-4"-6'CMP | 10, 000 Ohm Thermistor, Duct, Without Box, 4", 6' Plenum PVC Cable | ACI
Brand: ACI
SKU: A/10KS-DO-4"-6'CMP
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