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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 TUC2-NI-F1-1F-ZZ-C-X-6-X Microprocessor Based Sensor (Temp) LCD, 1,000 Ohm Nickel RTD, Deg F, Setpoint, Override, RJ6 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_6dc7e087-4e7a-4568-9c12-f4a551e20562_medium.png?v=1719983161)
TUC2-NI-F1-1F-ZZ-C-X-6-X | Microprocessor Based Sensor (Temp) LCD, 1, 000 Ohm Nickel RTD, Deg F, Setpoint, Override, RJ6 | ACI
Brand: ACI
SKU: TUC2-NI-F1-1F-ZZ-C-X-6-X
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![ACI A/CP-IM-2.5"-4X-NIST 10,000 Ohm Thermistor (Type II), Immersion, Machined Well, 2.5", NEMA 4X Enclosure, NIST cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_8d43d320-2472-4ba9-97f0-e7df8dc1ca8b_medium.jpg?v=1719982117)
A / CP-IM-2.5"-4X-NIST | 10, 000 Ohm Thermistor (Type II), Immersion, Machined Well, 2.5", NEMA 4X Enclosure, NIST cert | ACI
Brand: ACI
SKU: A/CP-IM-2.5"-4X-NIST
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![ACI A/10K-E1-RA-12"-GD 10,000 Ohm Thermistor (E1), Rigid Probe Averaging, 12", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-10k-e1-ra-12-gd_9e66b6dc-7a65-4e20-95e7-c380db642532_medium.png?v=1719981440)
A / 10K-E1-RA-12"-GD | 10, 000 Ohm Thermistor (E1), Rigid Probe Averaging, 12", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/10K-E1-RA-12"-GD
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![ACI 6N1-ISO-STG 6 Digital Inputs to 1 Analog Output, Stage Control (Stage Control) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-6n1-iso-stg_0074d47f-2396-435d-a0a1-2ccce3376489_medium.png?v=1719981270)
6N1-ISO-STG | 6 Digital Inputs to 1 Analog Output, Stage Control (Stage Control) | ACI
Brand: ACI
SKU: 6N1-ISO-STG
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![ACI A/1K-2W-PO-4"-20'CL2P-HS 1,000 Ohm (Two Wires) RTD, Probe Only, 4", 20' Plenum Cable, w/ Additional Moisture Protection | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-po-4-20-cl2p-hs_a2734318-d7d0-487f-ad78-cccfa6b36e45_medium.png?v=1719981556)
A / 1K-2W-PO-4"-20'CL2P-HS | 1, 000 Ohm (Two Wires) RTD, Probe Only, 4", 20' Plenum Cable, w / Additional Moisture Protection | ACI
Brand: ACI
SKU: A/1K-2W-PO-4"-20'CL2P-HS
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![ACI B8-C3H8-100L-O-X BACnet MSTP, Expl Proof, Smart Sensor, Propane, 0-100% LEL, 3 SPDT Relays, NEMA 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_424cb127-5e21-422c-91b2-ac07a94fcdc2_medium.png?v=1719982999)
B8-C3H8-100L-O-X | BACnet MSTP, Expl Proof, Smart Sensor, Propane, 0-100% LEL, 3 SPDT Relays, NEMA 4X | ACI
Brand: ACI
SKU: B8-C3H8-100L-O-X
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![ACI RIC-2 Relay | 7 Amp | Coil: 24 VAC or VDC / 120 VAC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_3ac3f2ba-0b4d-41cd-b2f8-b5e00f1a06ee_medium.png?v=1719983123)
RIC-2 | Relay | 7 Amp | Coil: 24 VAC or VDC / 120 VAC | ACI (OBSOLETE)
Brand: ACI
SKU: RIC-2
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![ACI A/RH2-1K-2W-D-3.25"-BB SS DUCT 3.25", BB, 2% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh1-an-d-3-25-bb_medium.png?v=1719982382)
A / RH2-1K-2W-D-3.25"-BB | SS DUCT 3.25", BB, 2% | ACI
Brand: ACI
SKU: A/RH2-1K-2W-D-3.25"-BB
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![ACI A/20K-PO-2"-EXPL EXPL PROBE 2" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-20k-po-4-expl_5d8495c0-f449-4586-8733-24d86fa3aad8_medium.jpg?v=1719981702)
A / 20K-PO-2"-EXPL | EXPL PROBE 2" | ACI
Brand: ACI
SKU: A/20K-PO-2"-EXPL
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![ACI A/TUC2-0-5V-0003 LCD, SET, O/R, DEG F | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_20357f06-feb1-4632-9f8e-ab0926eef2e3_medium.png?v=1719982888)
A / TUC2-0-5V-0003 | LCD, SET, O / R, DEG F | ACI
Brand: ACI
SKU: A/TUC2-0-5V-0003
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![ACI A/BALCO-INW-6"-4X Balco RTD, 1,000 Ohm @70 F , Immersion, no Well, 6", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-inw-6-4-4x-potted_3e1fa6ea-9000-4722-9d8a-a364de2702da_medium.jpg?v=1719982007)
A / BALCO-INW-6"-4X | Balco RTD, 1, 000 Ohm @70 F , Immersion, no Well, 6", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/BALCO-INW-6"-4X
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![ACI A/BALCO-INW-2.5"-4X Balco RTD, 1,000 Ohm @70 F , Immersion, no Well, 2.5", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-inw-6-4-4x-potted_f6fbd7a6-7ab7-4e26-99e3-b53622475e72_medium.jpg?v=1719981984)
A / BALCO-INW-2.5"-4X | Balco RTD, 1, 000 Ohm @70 F , Immersion, no Well, 2.5", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/BALCO-INW-2.5"-4X
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![ACI A/TUC2-SP-0002 LCD, TEMP SETPOINT ONLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_4be7cc39-0de9-4dc1-b69c-03049fa611b2_medium.png?v=1719982962)
A / TUC2-SP-0002 | LCD, TEMP SETPOINT ONLY | ACI
Brand: ACI
SKU: A/TUC2-SP-0002
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![ACI A/TTM1K-HT-INW-2.5"-4-BB Transmitter w/ 1K Ohm RTD (NIST CERT), High Temperature Immersion, no Well, 2.5" 316SS, 4-20mA, NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-ht-inw-2-5-bb_410a1464-20fa-4574-960d-546bfa2048fb_medium.png?v=1719982835)
A / TTM1K-HT-INW-2.5"-4-BB | Transmitter w / 1K Ohm RTD (NIST CERT), High Temperature Immersion, no Well, 2.5" 316SS, 4-20mA, NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/TTM1K-HT-INW-2.5"-4-BB
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![ACI A/TTM100-INW-2.5"-4-BB-POTTED IMMER 2.5", NW, BB, POTTED PCB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_fed36bf0-7408-4ea0-90b3-67a340ca0500_medium.png?v=1719982805)
A / TTM100-INW-2.5"-4-BB-POTTED | IMMER 2.5", NW, BB, POTTED PCB | ACI
Brand: ACI
SKU: A/TTM100-INW-2.5"-4-BB-POTTED
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![ACI A/TT1K-LT-INW-2.5"-1-BB Transmitter w/ 1,000 Ohm RTD, Low Temperature Immersion, no Well, 2.5" 316SS, 0-5VDC, NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_4a5f662a-5c05-4f05-816f-d3a640a47223_medium.png?v=1719982721)
A / TT1K-LT-INW-2.5"-1-BB | Transmitter w / 1, 000 Ohm RTD, Low Temperature Immersion, no Well, 2.5" 316SS, 0-5VDC, NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/TT1K-LT-INW-2.5"-1-BB
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![ACI A/TT1K-INW-4"-4-BB-POTTED IMMER 4", NW, BB, POTTED PCB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_10ddfec4-9088-4626-a062-813432e9e050_medium.png?v=1719982735)
A / TT1K-INW-4"-4-BB-POTTED | IMMER 4", NW, BB, POTTED PCB | ACI
Brand: ACI
SKU: A/TT1K-INW-4"-4-BB-POTTED
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![ACI A/TT1K-HT-INW-4"-4-BB Transmitter w/ 1K Ohm RTD, High Temperature Immersion, no Well, 4" 316SS, 4-20mA, NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-ht-inw-2-5-bb_8d56ccd8-faea-4c6a-b25f-8db579aeb1b1_medium.png?v=1719982746)
A / TT1K-HT-INW-4"-4-BB | Transmitter w / 1K Ohm RTD, High Temperature Immersion, no Well, 4" 316SS, 4-20mA, NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/TT1K-HT-INW-4"-4-BB
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![ACI A/100-3W-LT-INW-6"-GD IMMER 6", NO WELL, GD, LT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_27c8078d-9953-4f0d-bcda-e4b88d17164e_medium.png?v=1719981382)
A / 100-3W-LT-INW-6"-GD | IMMER 6", NO WELL, GD, LT | ACI
Brand: ACI
SKU: A/100-3W-LT-INW-6"-GD
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![ACI A/BALCO-INW-4"-BB Balco RTD, 1,000 Ohm @70 F , Immersion, no Well, 4", NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_37223d7b-c651-4495-8e50-dac2475f94d7_medium.png?v=1719982022)
A / BALCO-INW-4"-BB | Balco RTD, 1, 000 Ohm @70 F , Immersion, no Well, 4", NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/BALCO-INW-4"-BB
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![ACI A/TT100-HT-INW-2.5"-2-GD IMMER 2.5", NO WELL, GD, HT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-ht-i-2-5-4-gd_9ba97e5f-ccb3-4029-b1be-17afcbb4abaf_medium.png?v=1719982629)
A / TT100-HT-INW-2.5"-2-GD | IMMER 2.5", NO WELL, GD, HT | ACI
Brand: ACI
SKU: A/TT100-HT-INW-2.5"-2-GD
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