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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 FS-5 Freeze Stat, 6' Capillary, Manual Reset, (1) SPDT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-fs-1_2c041dcd-fa63-4198-a000-66c8217d3e93_medium.jpg?v=1719983029)
FS-5 | Freeze Stat, 6' Capillary, Manual Reset, (1) SPDT | ACI
Brand: ACI
SKU: FS-5
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![ACI USB-RS485 RS485 to USB Converter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-usb-rs485_5b85b336-4e52-41de-a90a-5b7859f7474d_medium.png?v=1719983203)
USB-RS485 | RS485 to USB Converter | ACI
Brand: ACI
SKU: USB-RS485
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![ACI AcuCT-H040-20:333 Current Transformer, 20A, Hinged Split Core, 0.4" Aperture, 333mV Output, 2.5m Leads | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-acuct-h040-20-333_444e4bbd-1ac9-4d8e-8e0f-1fc2967a9f0a_medium.jpg?v=1719982180)
AcuCT-H040-20:333 | Current Transformer, 20A, Hinged Split Core, 0.4" Aperture, 333mV Output, 2.5m Leads | ACI
Brand: ACI
SKU: AcuCT-H040-20:333
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![ACI A/AN-R-LCD-F 10,000 Ohm Thermistor (Type III), Room (R), LCD, F | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-r-2-lcd_990524ed-a7ef-4c2a-ad3f-0b3e8fda876b_medium.png?v=1719981926)
A / AN-R-LCD-F | 10, 000 Ohm Thermistor (Type III), Room (R), LCD, F | ACI
Brand: ACI
SKU: A/AN-R-LCD-F
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![ACI A/20K-R2SO-A24-B4 20,000 Ohm Thermistor, Room (R2), w/ Setpoint and Override, 55-85, RA, 9.5K-1K | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2so-a02-c5_a8e324d0-1865-4ff7-9bda-7285a0c8acd0_medium.png?v=1719981732)
A / 20K-R2SO-A24-B4 | 20, 000 Ohm Thermistor, Room (R2), w / Setpoint and Override, 55-85, RA, 9.5K-1K | ACI
Brand: ACI
SKU: A/20K-R2SO-A24-B4
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![ACI A/20K-R2SO-A03-C5 20,000 Ohm Thermistor, Room (R2), Setpoint 0 to 10K Ohms, Override, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2so-a02-c5_e6bf1b60-9e10-4a81-8d71-723e8a521c47_medium.png?v=1719981693)
A / 20K-R2SO-A03-C5 | 20, 000 Ohm Thermistor, Room (R2), Setpoint 0 to 10K Ohms, Override, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/20K-R2SO-A03-C5
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![ACI A/SLD Spot Leak Detector, Relay Output, 14ft/4.26m leader | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-sld_6733e597-21b4-45e3-aee9-5661f44ecc73_medium.png?v=1719982618)
A / SLD | Spot Leak Detector, Relay Output, 14ft / 4.26m leader | ACI
Brand: ACI
SKU: A/SLD
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![ACI A/CP-RO 10,000 Ohm Thermistor (Type II), Room (R), Override | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-bc-ro_a82770a4-a6ad-4924-95f1-ee2ba1cb3d2a_medium.png?v=1719982089)
A / CP-RO | 10, 000 Ohm Thermistor (Type II), Room (R), Override | ACI
Brand: ACI
SKU: A/CP-RO
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![ACI A/1K-2W-PO-18" 1,000 Ohm (Two Wires), Duct, Without Box, 18" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-0-1cp-po-4_6999b3ee-6162-43e7-af5e-0f4f5e82eb4f_medium.jpg?v=1719981581)
A / 1K-2W-PO-18" | 1, 000 Ohm (Two Wires), Duct, Without Box, 18" | ACI
Brand: ACI
SKU: A/1K-2W-PO-18"
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![ACI A/AN-S10-4X STRAP, 4X, 2-10" HOSE CLAMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-s10-4x-nist_35d180e3-6b4d-4030-af80-0a09dfcf96ec_medium.jpg?v=1719981970)
A / AN-S10-4X | STRAP, 4X, 2-10" HOSE CLAMP | ACI
Brand: ACI
SKU: A/AN-S10-4X
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![ACI AIM1.1 ANALOG ISOLATION MODULE 1:1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-aim1-1_67b632fd-ca66-44d3-8f30-83e26a34d037_medium.jpg?v=1719982276)
AIM1.1 | ANALOG ISOLATION MODULE 1:1 | ACI
Brand: ACI
SKU: AIM1.1
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![ACI MSR-50RK/W STROBE&SOUNDER CLR LENS WHT PL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-msr-50rk-w_e7239345-9f7e-4fa8-b256-5b4d623de6d5_medium.jpg?v=1719983133)
MSR-50RK / W | STROBE&SOUNDER CLR LENS WHT PL | ACI
Brand: ACI
SKU: MSR-50RK/W
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![ACI A/WPR2-100-40-LCD WET TO WET, 0-100PSI, 40', LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-wpr2-30-10-lcd_31e0c0a7-20f2-49f1-a23a-cb487a92806d_medium.jpg?v=1719982985)
A / WPR2-100-40-LCD | WET TO WET, 0-100PSI, 40', LCD | ACI
Brand: ACI
SKU: A/WPR2-100-40-LCD
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![ACI A/TUCH2-0-10V-0079 LCD, RH2%, SET, O/R, DEG F | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_4c07a5a6-75de-4335-80bb-a190ee2b2a96_medium.png?v=1719982921)
A / TUCH2-0-10V-0079 | LCD, RH2%, SET, O / R, DEG F | ACI
Brand: ACI
SKU: A/TUCH2-0-10V-0079
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![ACI A/CP-S10-GD 10,000 Ohm Thermistor (Type II), Strap On, 10" Strap, Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-s10-gd-nist_ddfeb7fb-c806-4db6-9241-f21ec30a93c5_medium.png?v=1719982083)
A / CP-S10-GD | 10, 000 Ohm Thermistor (Type II), Strap On, 10" Strap, Galvanized Enclosure | ACI
Brand: ACI
SKU: A/CP-S10-GD
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![ACI A/10K-E1-SP 10,000 Ohm Thermistor E1, Wall Plate, Stainless Steel | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-ap_5645500f-310b-4f5f-96c1-ad77b14a3d81_medium.png?v=1719981459)
A / 10K-E1-SP | 10, 000 Ohm Thermistor E1, Wall Plate, Stainless Steel | ACI
Brand: ACI
SKU: A/10K-E1-SP
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![ACI A/1/4" TO 1/8" REDUCER SS, 1/4" FNPT TO 1/8" MNPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_9977625d-3b47-4c05-aab5-c83345a77439_medium.png?v=1719981478)
A / 1 / 4" TO 1 / 8" REDUCER | SS, 1 / 4" FNPT TO 1 / 8" MNPT | ACI
Brand: ACI
SKU: A/1/4" TO 1/8" REDUCER
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Brand: Saginaw
SKU: SCE-36H3612LP