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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/1K-2W-PO-12" 1,000 Ohm (Two Wires), Probe Only, 12" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-0-1cp-po-4_190a8e69-8dc5-487a-b6e9-87a361088482_medium.jpg?v=1719981581)
A / 1K-2W-PO-12" | 1, 000 Ohm (Two Wires), Probe Only, 12" | ACI
Brand: ACI
SKU: A/1K-2W-PO-12"
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![ACI A/TT100-R-4-LCD Transmitter w/ 100 Ohm RTD, Room (R), 4-20mA LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-r-2-lcd_1ce66b7a-55b1-45c9-9bdd-2436897490e5_medium.png?v=1719982662)
A / TT100-R-4-LCD | Transmitter w / 100 Ohm RTD, Room (R), 4-20mA LCD | ACI
Brand: ACI
SKU: A/TT100-R-4-LCD
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![ACI A/TT1K-D-18"-4-GD DUCT 18", GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_9ba581e0-943b-4de0-b96a-e9673251fcff_medium.png?v=1719982682)
A / TT1K-D-18"-4-GD | DUCT 18", GD | ACI
Brand: ACI
SKU: A/TT1K-D-18"-4-GD
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![ACI CO-R CO Sensor NO2 Sensor | Room Zone Wall CO NO2 Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-co-r_medium.jpg?v=1720808660)
CO-R | CO Sensor NO2 Sensor | Room Zone Wall CO NO2 Sensor | ACI
Brand: ACI
SKU: CO-R
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![ACI A/RH3-TT1K-D-BB-2 DUCT, 2G BB, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh1-ttm1k-d-bb-2_bbeaf5d2-4634-48ae-b04d-cf4567585c2a_medium.jpg?v=1719982523)
A / RH3-TT1K-D-BB-2 | DUCT, 2G BB, 3% | ACI
Brand: ACI
SKU: A/RH3-TT1K-D-BB-2
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![ACI A/RH3-AN-D DUCT, EH, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_0b26aaf5-59bd-4d7b-86a8-64d01545e859_medium.jpg?v=1719982498)
A / RH3-AN-D | DUCT, EH, 3% | ACI
Brand: ACI
SKU: A/RH3-AN-D
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![ACI A/FLS-20-A Freeze Stat Auto 20ft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-fls-06-a_8bc01dea-0f9d-4da0-bf16-e096b9ed5954_medium.jpg?v=1719982281)
A / FLS-20-A | Freeze Stat Auto 20ft | ACI
Brand: ACI
SKU: A/FLS-20-A
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![ACI A/4" Stainless Thermowell | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-2-5_medium.png?v=1719981776)
A / 4" | Stainless Thermowell | ACI
Brand: ACI
SKU: A/4"
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![ACI A/10KS-R2 10K ohm | Room Zone Wall Temperature Sensor | Modern Housing Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_5d451a98-46b4-4085-aed3-08ff1503db01_medium.png?v=1720808211)
A / 10KS-R2 | 10K ohm | Room Zone Wall Temperature Sensor | Modern Housing Enclosure | ACI
Brand: ACI
SKU: A/10KS-R2
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![ACI 6N1-ISO Analog Input to Analog Output Interface Module | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-6n1-iso-stg_14aec42c-5573-48e4-a335-02a11dc3ad19_medium.png?v=1719981275)
6N1-ISO | Analog Input to Analog Output Interface Module | ACI
Brand: ACI
SKU: 6N1-ISO
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![ACI A/TB-2.0-XXY-BO Thermal Buffer, Empty 2 oz Nalgene Bottle, 1 Sensing Point, Rated to -40C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tb-2-0-xxy-bo_c480f652-a4ad-4318-83f9-f82d676c9dfd_medium.png?v=1719982575)
A / TB-2.0-XXY-BO | Thermal Buffer, Empty 2 oz Nalgene Bottle, 1 Sensing Point, Rated to -40C | ACI
Brand: ACI
SKU: A/TB-2.0-XXY-BO
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![ACI 55000-328APO REPLACEMENT HEAD FOR SL-2000-P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_9f58f3ef-1a03-4c77-b5b7-522401e59ca9_medium.png?v=1719981258)
55000-328APO | REPLACEMENT HEAD FOR SL-2000-P | ACI
Brand: ACI
SKU: 55000-328APO
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![ACI A/100-3W-BP-20'-CL2P 100 Ohm Platinum RTD (Two Wires), Bullet Probes, 100 Ohm (Three Wires), 20' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp-10-cl2p_99e2a02a-2dec-4433-9275-9700185d90d9_medium.png?v=1719981320)
A / 100-3W-BP-20'-CL2P | 100 Ohm Platinum RTD (Two Wires), Bullet Probes, 100 Ohm (Three Wires), 20' Plenum Cable | ACI
Brand: ACI
SKU: A/100-3W-BP-20'-CL2P
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![ACI Q5-H2-100L-O-X HYDROGEN,100% LEL,CATLYTC,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_96777988-9416-4c26-afbc-90cd07e50299_medium.jpg?v=1719983133)
Q5-H2-100L-O-X | HYDROGEN, 100% LEL, CATLYTC, ETL | ACI
Brand: ACI
SKU: Q5-H2-100L-O-X
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![ACI PT 7.5" Pressure Sensor Transducer Pitot Tubes | 7.5 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pt-7-5_c23451e9-499a-456c-bbca-a01f5ab475a1_medium.png?v=1719983071)
PT 7.5" | Pressure Sensor Transducer Pitot Tubes | 7.5 inch | ACI
Brand: ACI
SKU: PT 7.5"
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![ACI PT 3" Pressure Sensor Transducer Pitot Tubes | 3 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pt-3_4da46677-390d-4f4a-a4a0-4b682ee2b646_medium.jpg?v=1719983058)
PT 3" | Pressure Sensor Transducer Pitot Tubes | 3 inch | ACI
Brand: ACI
SKU: PT 3"
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![ACI PT 5.2" Pressure Sensor Transducer Pitot Tubes | 5.2 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pt-5-2_3a9fee7f-1ec7-48ec-a6af-a0a210656980_medium.jpg?v=1719983071)
PT 5.2" | Pressure Sensor Transducer Pitot Tubes | 5.2 inch | ACI
Brand: ACI
SKU: PT 5.2"
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Brand: Veris
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Brand: Veris
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Brand: Siemens
SKU: 147-2000