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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 B8-H2-100L-0-X Expl Proof Sensor, BACnet Protocol, Propane, 0-100% LEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_947cb08c-492c-495c-90f8-26b63e82f020_medium.png?v=1719983000)
B8-H2-100L-0-X | Expl Proof Sensor, BACnet Protocol, Propane, 0-100% LEL | ACI (OBSOLETE)
Brand: ACI
SKU: B8-H2-100L-0-X
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![ACI A/RH5-D 5% Accuracy RH Humidity Sensor | Duct Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_5abd821d-08a0-4d7f-aff6-18e8f1ee779b_medium.jpg?v=1719982561)
A / RH5-D | 5% Accuracy RH Humidity Sensor | Duct Humidity Sensor | ACI
Brand: ACI
SKU: A/RH5-D
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![ACI A/CP-FA-24'-EH-NIST NIST CONFIGURATOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-fa-12-eh-nist_5b8ba7c9-94df-49aa-8d84-3382810edb4b_medium.jpg?v=1719982088)
A / CP-FA-24'-EH-NIST | NIST CONFIGURATOR | ACI (OBSOLETE)
Brand: ACI
SKU: A/CP-FA-24'-EH-NIST
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![ACI 84330-621-000 NEMA 4X Enclosure for M-Controller | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_68ca5c99-bb5b-4cba-8cec-33f13341ebdd_medium.png?v=1719981270)
84330-621-000 | NEMA 4X Enclosure for M-Controller | ACI
Brand: ACI
SKU: 84330-621-000
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![ACI A/3K-D-4"-4X 3,000 Ohm Thermistor, Duct, 4", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_6fa7ba65-d342-44c9-8dd6-aaab089324e9_medium.png?v=1719981741)
A / 3K-D-4"-4X | 3, 000 Ohm Thermistor, Duct, 4", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/3K-D-4"-4X
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![ACI A/1.8K-S10-4X 1,800 Ohm Thermistor, Strap On, 10" Strap, NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-s10-4x-nist_cbd02fa4-d18e-4159-9d14-2cdfa9e0d7f6_medium.jpg?v=1719981532)
A / 1.8K-S10-4X | 1, 800 Ohm Thermistor, Strap On, 10" Strap, NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1.8K-S10-4X
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![ACI A/1K-2W-PO-6"-10'CL2P 1K Ohm (Two Wires) RTD, Probe Only, 6", 10' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-10k-e1-po-4-10-cl2p-nist_4666cadd-7ae5-4ffb-8c60-c65b667b1379_medium.png?v=1719981595)
A / 1K-2W-PO-6"-10'CL2P | 1K Ohm (Two Wires) RTD, Probe Only, 6", 10' Plenum Cable | ACI
Brand: ACI
SKU: A/1K-2W-PO-6"-10'CL2P
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![ACI A/CP-R2S-A04-B4 10,000 Ohm Thermistor (Type II), Room (R2), Setpoint 1051.1 to 51.1 Ohms, 55-85 sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2s-a06-g5_203888c1-5655-42f5-ab73-ed971502b4f6_medium.png?v=1719982074)
A / CP-R2S-A04-B4 | 10, 000 Ohm Thermistor (Type II), Room (R2), Setpoint 1051.1 to 51.1 Ohms, 55-85 sticker | ACI
Brand: ACI
SKU: A/CP-R2S-A04-B4
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![ACI A/10KS-DO-12"-10'CL2P 10,000 Ohm Thermistor, Duct, Without Box, 12", 10' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_d4b79f0c-1e98-4ce3-bda0-df83d00fe0e0_medium.png?v=1719981459)
A / 10KS-DO-12"-10'CL2P | 10, 000 Ohm Thermistor, Duct, Without Box, 12", 10' Plenum Cable | ACI
Brand: ACI
SKU: A/10KS-DO-12"-10'CL2P
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![ACI A/1K-2W-A-8'-BB 1,000 Ohm (Two Wires) RTD, Copper Averaging, 8', NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-3w-a-24-bb_ac26cb17-3c73-45ce-99c1-30e8e59cd303_medium.png?v=1719981556)
A / 1K-2W-A-8'-BB | 1, 000 Ohm (Two Wires) RTD, Copper Averaging, 8', NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/1K-2W-A-8'-BB
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![ACI A/TT1K-BP-2-GD-6'CL2P Transmitter w/ 1,000 Ohm RTD, Bullet Probe, 1", Galvanized Enclosure, 6' Plenum Cable, 2-10VDC Output | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-bp-2-gd-6-cl2p_bc9fabd2-0931-414f-b5e9-b5e4fa6923d9_medium.png?v=1719982696)
A / TT1K-BP-2-GD-6'CL2P | Transmitter w / 1, 000 Ohm RTD, Bullet Probe, 1", Galvanized Enclosure, 6' Plenum Cable, 2-10VDC Output | ACI
Brand: ACI
SKU: A/TT1K-BP-2-GD-6'CL2P
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![ACI A/CP-RSO-A29-C5 10,000 Ohm Thermistor (Type II), Room (R), w/Setpoint 7.87K to 27.87K and Override | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-csi-rso-rj6-a29-c5_64fbb999-a2ad-4a18-b91a-90a68eccd203_medium.png?v=1719982069)
A / CP-RSO-A29-C5 | 10, 000 Ohm Thermistor (Type II), Room (R), w / Setpoint 7.87K to 27.87K and Override | ACI
Brand: ACI
SKU: A/CP-RSO-A29-C5
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![ACI A/CP-R2S-A01-G5 10,000 Ohm Thermistor (Type II), Room (R2), Setpoint 0 to 100K Ohms, Blue/Red Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2s-a06-g5_e02d4fbf-9aac-48b6-8c7e-f612731deb68_medium.png?v=1719982049)
A / CP-R2S-A01-G5 | 10, 000 Ohm Thermistor (Type II), Room (R2), Setpoint 0 to 100K Ohms, Blue / Red Sticker | ACI
Brand: ACI
SKU: A/CP-R2S-A01-G5
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![ACI A/1K-3W-A-100'-4X 1,000 Ohm (Three Wires) RTD, Copper Averaging, 100', NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100ks-a-24-4x_e86a9111-3603-4ab9-8ef1-cd1028d7b6ca_medium.png?v=1719981581)
A / 1K-3W-A-100'-4X | 1, 000 Ohm (Three Wires) RTD, Copper Averaging, 100', NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/1K-3W-A-100'-4X
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![ACI A/1K-NI-INW-8"-GD 1,000 Ohm Nickel RTD, Immersion, No Well, 8", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_3b615bec-3754-4ac9-92fc-23ba642ae7cc_medium.png?v=1719981682)
A / 1K-NI-INW-8"-GD | 1, 000 Ohm Nickel RTD, Immersion, No Well, 8", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-INW-8"-GD
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![ACI A/20K-RSO-LCD-F-A14-C5 20,000 Ohm Thermistor, Room (R), Setpoint 10K to 0 Ohms, Override, LCD, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-csi-rso-rj6-a29-c5_33adc3bf-a066-4a0a-8efe-88c947131f76_medium.png?v=1719981746)
A / 20K-RSO-LCD-F-A14-C5 | 20, 000 Ohm Thermistor, Room (R), Setpoint 10K to 0 Ohms, Override, LCD, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/20K-RSO-LCD-F-A14-C5
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![ACI A/TT1K-A-50'-1-GD Transmitter w/ 1,000 Ohm RTD, Copper Averaging, 50', Galvanized Enclosure, 1-5VDC Output | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-a-12-gd_b19717d6-1277-4841-9d66-1048832503ac_medium.png?v=1719982692)
A / TT1K-A-50'-1-GD | Transmitter w / 1, 000 Ohm RTD, Copper Averaging, 50', Galvanized Enclosure, 1-5VDC Output | ACI
Brand: ACI
SKU: A/TT1K-A-50'-1-GD
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