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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/RH1-CP-R ROOM, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_e7d85be5-8d8a-4a73-a4fa-c6877aae212b_medium.png?v=1719982354)
A / RH1-CP-R | ROOM, 1% | ACI
Brand: ACI
SKU: A/RH1-CP-R
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![ACI A/RH1-CP-O OUTSIDE, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_27c5f364-b970-4fc7-a2da-bf3dbd8f5aa1_medium.png?v=1719982360)
A / RH1-CP-O | OUTSIDE, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-CP-O
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![ACI A/RH1-1K-2W-D DUCT, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_ea847238-3fc0-4435-848c-93eb1fd502ac_medium.jpg?v=1719982353)
A / RH1-1K-2W-D | DUCT, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-1K-2W-D
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![ACI A/RH1-10KS-R2 ROOM, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_e787c30c-7239-41f5-aaf2-3e40220ef478_medium.png?v=1719982378)
A / RH1-10KS-R2 | ROOM, 1% | ACI
Brand: ACI
SKU: A/RH1-10KS-R2
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![ACI A/RH1-100-3W-R ROOM, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_89510d2f-d8c8-44c3-80a5-d8d2af00b4eb_medium.png?v=1719982349)
A / RH1-100-3W-R | ROOM, 1% | ACI
Brand: ACI
SKU: A/RH1-100-3W-R
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![ACI A/RH1-AN-O OUTSIDE, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_e789572d-4447-4ba7-8c5a-b3f36eb6f7b9_medium.png?v=1719982392)
A / RH1-AN-O | OUTSIDE, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-AN-O
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![ACI A/RH1-100-3W-D DUCT, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_529c4414-9974-4e32-a731-bed6cd4774e5_medium.jpg?v=1719982285)
A / RH1-100-3W-D | DUCT, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-100-3W-D
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![ACI A/RH1-100-2W-R ROOM, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_b51f4b7a-ef2b-4de6-ad13-86bed9d8a8bf_medium.png?v=1719982335)
A / RH1-100-2W-R | ROOM, 1% | ACI
Brand: ACI
SKU: A/RH1-100-2W-R
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![ACI A/RH1-20K-R ROOM, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_56b54cbd-9952-457d-b653-dd5503809147_medium.png?v=1719982344)
A / RH1-20K-R | ROOM, 1% | ACI
Brand: ACI
SKU: A/RH1-20K-R
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![ACI A/RH1-100-2W-O OUTSIDE, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_b6973e4d-4669-4b1c-835a-bad6357a9da8_medium.png?v=1719982280)
A / RH1-100-2W-O | OUTSIDE, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-100-2W-O
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![ACI A/RH1-100-2W-D DUCT, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_b7c5e781-474a-4a55-b3ce-b80b83d92138_medium.jpg?v=1719982295)
A / RH1-100-2W-D | DUCT, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-100-2W-D
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![ACI A/RH1-20K-D DUCT, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_a0aa66fb-ce3c-4408-bf7c-bb7d94192362_medium.jpg?v=1719982309)
A / RH1-20K-D | DUCT, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-20K-D
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![ACI A/RH1-1.8K-D DUCT, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_3e05c061-7cc6-4981-9838-916cabd9a11c_medium.jpg?v=1719982329)
A / RH1-1.8K-D | DUCT, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-1.8K-D
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![ACI A/RH1-1K-NI-R ROOM, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_2dc2cfd5-432c-423f-bd10-211234564ae2_medium.png?v=1719982300)
A / RH1-1K-NI-R | ROOM, 1% | ACI
Brand: ACI
SKU: A/RH1-1K-NI-R
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![ACI A/RH1-1K-NI-O OUTSIDE, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_5c8abe64-28e2-4706-9199-6da50ea3f458_medium.png?v=1719982325)
A / RH1-1K-NI-O | OUTSIDE, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-1K-NI-O
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![ACI A/RH1-1K-2W-O OUTSIDE, EH, 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_dac1f8d3-e192-4034-86df-2c99e388daa5_medium.png?v=1719982301)
A / RH1-1K-2W-O | OUTSIDE, EH, 1% | ACI
Brand: ACI
SKU: A/RH1-1K-2W-O
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![ACI A/MOUNTING PLATE WHITE R PLASTIC, WHITE, INIFNITY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-mounting-plate-beige_medium.jpg?v=1719982363)
A / MOUNTING PLATE WHITE R | PLASTIC, WHITE, INIFNITY | ACI
Brand: ACI
SKU: A/MOUNTING PLATE WHITE R
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![ACI A/RH1-10K-E1-D DUCT, EH 1% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_79f3f4e5-7b9f-4bc1-98c6-1b7fd4d13ada_medium.jpg?v=1719982334)
A / RH1-10K-E1-D | DUCT, EH 1% | ACI
Brand: ACI
SKU: A/RH1-10K-E1-D
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![ACI A/MOUNTING PLATE BEIGE R PLASTIC, BEIGE, INFINITY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_ae383c93-ba6c-4c99-b9d5-c060721bbcb1_medium.png?v=1720007049)
A / MOUNTING PLATE BEIGE R | PLASTIC, BEIGE, INFINITY | ACI
Brand: ACI
SKU: A/MOUNTING PLATE BEIGE R
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![ACI A/MOUNTING CLIP-1/4" BP 1/4" Mounting Clip | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-mounting-clip-1-4_medium.jpg?v=1718738984)
A / MOUNTING CLIP-1 / 4" | BP 1 / 4" Mounting Clip | ACI
Brand: ACI
SKU: A/MOUNTING CLIP-1/4"
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![ACI A/MLP2-D50-W-U-A-C-0P 0-0.5" W.C., 0-10VDC OUT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-mlp2-005-w-u-a-a-0p_b50c93a3-ff15-43cc-96f8-e9d017a1f144_medium.png?v=1719982310)
A / MLP2-D50-W-U-A-C-0P | 0-0.5" W.C., 0-10VDC OUT | ACI
Brand: ACI
SKU: A/MLP2-D50-W-U-A-C-0P
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![ACI A/MLP2-D50-W-U-A-B-0P 0-0.5" W.C., 0-5VDC OUT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-mlp2-005-w-u-a-a-0p_5ddec84b-311d-45b8-a5df-1bbdee57448c_medium.png?v=1719982286)
A / MLP2-D50-W-U-A-B-0P | 0-0.5" W.C., 0-5VDC OUT | ACI
Brand: ACI
SKU: A/MLP2-D50-W-U-A-B-0P
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![ACI A/MLP2-D50-W-U-A-A-0P 0-0.5" W.C., 4-20MA OUT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-mlp2-005-w-u-a-a-0p_9813e3f0-ae40-4aeb-8b4d-aea2d21c971f_medium.png?v=1719982291)
A / MLP2-D50-W-U-A-A-0P | 0-0.5" W.C., 4-20MA OUT | ACI
Brand: ACI
SKU: A/MLP2-D50-W-U-A-A-0P
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![ACI A/MLP2-D50-W-B-A-A-0P Differential Pressure Sensor Transducer Bidirectional | +/- 0.5" w.c. | 4-20 mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-mlp2-005-w-u-a-a-0p_3eaecfa3-f7ee-4e07-9a09-e610d7c80855_medium.png?v=1719982339)
A / MLP2-D50-W-B-A-A-0P | Differential Pressure Sensor Transducer Bidirectional | + / - 0.5" w.c. | 4-20 mA | ACI
Brand: ACI
SKU: A/MLP2-D50-W-B-A-A-0P
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