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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/50K-INW-2.5"-PB 50,000 Ohm Thermistor, Immersion, No Well, 2.5", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-4-pb_025dd97c-59d6-4709-bacc-339a930866a5_medium.png?v=1719981815)
A / 50K-INW-2.5"-PB | 50, 000 Ohm Thermistor, Immersion, No Well, 2.5", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-2.5"-PB
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![ACI A/50K-INW-1"-PB 50,000 Ohm Thermistor, Immersion, No Well, 1", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-4-pb_81713fe1-449a-4e0c-b5aa-61779089cdee_medium.png?v=1719981785)
A / 50K-INW-1"-PB | 50, 000 Ohm Thermistor, Immersion, No Well, 1", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-1"-PB
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![ACI A/50K-INW-8"-GD 50,000 Ohm Thermistor, Immersion, No Well, 8", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_fab1b3d1-6745-4c6b-ba7e-26125e47d70a_medium.png?v=1719981804)
A / 50K-INW-8"-GD | 50, 000 Ohm Thermistor, Immersion, No Well, 8", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-8"-GD
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![ACI A/50K-IM-4"-PB 50,000 Ohm Thermistor, Immersion, Machined Well, 4", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-im-2-5-pb_88101a0a-7b5d-4b8a-ab4f-64d8496e7a82_medium.jpg?v=1719981809)
A / 50K-IM-4"-PB | 50, 000 Ohm Thermistor, Immersion, Machined Well, 4", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-IM-4"-PB
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![ACI A/50K-INW-4"-GD 50,000 Ohm Thermistor, Immersion, No Well, 4", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_1a5b1c90-50a2-4998-b417-a4059a42bee2_medium.png?v=1719981814)
A / 50K-INW-4"-GD | 50, 000 Ohm Thermistor, Immersion, No Well, 4", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-4"-GD
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![ACI A/50K-IM-8"-PB 50,000 Ohm Thermistor, Immersion, Machined Well, 8", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-im-2-5-pb_0a5974ed-af81-4ec5-b389-41d190c378a8_medium.jpg?v=1719981815)
A / 50K-IM-8"-PB | 50, 000 Ohm Thermistor, Immersion, Machined Well, 8", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-IM-8"-PB
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![ACI A/50K-IM-8"-GD 50,000 Ohm Thermistor, Immersion, Machined Well, 8", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-im-4-gd_2bdaf547-bc0e-4f50-8bf5-f0e081e028aa_medium.jpg?v=1719981814)
A / 50K-IM-8"-GD | 50, 000 Ohm Thermistor, Immersion, Machined Well, 8", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-IM-8"-GD
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![ACI A/50K-INW-2.5"-GD 50,000 Ohm Thermistor, Immersion, No Well, 2.5", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_c7682d4d-6bfb-4e25-a8b8-199a7dd81b6e_medium.png?v=1719981804)
A / 50K-INW-2.5"-GD | 50, 000 Ohm Thermistor, Immersion, No Well, 2.5", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-2.5"-GD
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![ACI A/50K-INW-1"-GD 50,000 Ohm Thermistor, Immersion, No Well, 1", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_1d93a75e-519e-45fd-b295-f07e3cb2a4b8_medium.png?v=1719981818)
A / 50K-INW-1"-GD | 50, 000 Ohm Thermistor, Immersion, No Well, 1", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-1"-GD
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![ACI A/50K-I-6"-PB 50,000 Ohm Thermistor, Immersion, Welded Well, 6", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-pb_751ec526-b251-4318-9ce5-79338ab231ac_medium.png?v=1719981823)
A / 50K-I-6"-PB | 50, 000 Ohm Thermistor, Immersion, Welded Well, 6", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-I-6"-PB
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![ACI A/50K-I-4"-PB 50,000 Ohm Thermistor, Immersion, Welded Well, 4", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-pb_1c618cc9-0214-4a63-9697-b749ddca9e75_medium.png?v=1719981819)
A / 50K-I-4"-PB | 50, 000 Ohm Thermistor, Immersion, Welded Well, 4", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-I-4"-PB
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![ACI A/50K-I-4"-GD 50,000 Ohm Thermistor, Immersion, Welded Well, 4", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-gd_e3878c28-1ab8-4ce5-9777-41b57bf3076e_medium.png?v=1719981823)
A / 50K-I-4"-GD | 50, 000 Ohm Thermistor, Immersion, Welded Well, 4", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-I-4"-GD
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![ACI A/50K-INW-6"-GD 50,000 Ohm Thermistor, Immersion, No Well, 6", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_27108aac-de7b-4bed-ad6b-e8eb2fa55b35_medium.png?v=1719981810)
A / 50K-INW-6"-GD | 50, 000 Ohm Thermistor, Immersion, No Well, 6", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-INW-6"-GD
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![ACI A/50K-I-2.5"-GD 50,000 Ohm Thermistor, Immersion, Welded Well, 2.5", Galvanized Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-gd_da98a90d-5523-48a5-997e-2d30d854d071_medium.png?v=1719981800)
A / 50K-I-2.5"-GD | 50, 000 Ohm Thermistor, Immersion, Welded Well, 2.5", Galvanized Enclosure | ACI
Brand: ACI
SKU: A/50K-I-2.5"-GD
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![ACI A/50K-PM-10'Z 50,000 Ohm Thermistor, Pipe Mount, Brass, 10' Zip Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-pm-20-cl2p_d0ad8ea9-ac1f-4c35-9fab-63da982cddae_medium.png?v=1719981794)
A / 50K-PM-10'Z | 50, 000 Ohm Thermistor, Pipe Mount, Brass, 10' Zip Cable | ACI
Brand: ACI
SKU: A/50K-PM-10'Z
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![ACI A/50K-PM-20'CL2P 50,000 Ohm Thermistor, Pipe Mount, Brass, 20' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-pm-20-cl2p_ab2e48bb-7b31-491d-a646-1a5eff6f2979_medium.png?v=1719981805)
A / 50K-PM-20'CL2P | 50, 000 Ohm Thermistor, Pipe Mount, Brass, 20' Plenum Cable | ACI
Brand: ACI
SKU: A/50K-PM-20'CL2P
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![ACI A/50K-PM 50,000 Ohm Thermistor, Pipe Mount, Brass | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-pm-20-cl2p_9e266fbd-a82d-461f-82ea-7acfb95f1420_medium.png?v=1719981815)
A / 50K-PM | 50, 000 Ohm Thermistor, Pipe Mount, Brass | ACI
Brand: ACI
SKU: A/50K-PM
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![ACI A/10K-E1-INW-6"-4X 10,000 Ohm Thermistor E1, Immersion, Welded Well, 6", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-inw-6-4-4x-potted_121b9b6d-cb64-466d-ac07-c5a133b523dd_medium.jpg?v=1719981469)
A / 10K-E1-INW-6"-4X | 10, 000 Ohm Thermistor E1, Immersion, Welded Well, 6", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/10K-E1-INW-6"-4X
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![ACI A/50K-O-4X 50,000 Ohm Thermistor, Outside Air, NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-ttm1k-o-4-bb-potted_85c006c0-6e2b-4fea-9dee-e84668de6664_medium.png?v=1719981804)
A / 50K-O-4X | 50, 000 Ohm Thermistor, Outside Air, NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/50K-O-4X
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![ACI A/50K-I-2.5"-PB 50,000 Ohm Thermistor, Immersion, Welded Well, 2.5", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-pb_27bc4bc1-fbb2-4494-a892-00773986ed80_medium.png?v=1719981775)
A / 50K-I-2.5"-PB | 50, 000 Ohm Thermistor, Immersion, Welded Well, 2.5", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-I-2.5"-PB
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![ACI A/50K-AP 50,000 Ohm Thermistor, Wall Plate, Aluminum | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-ap_319f8fc6-6bb3-4433-afe3-3a3c6af4d280_medium.png?v=1719981810)
A / 50K-AP | 50, 000 Ohm Thermistor, Wall Plate, Aluminum | ACI
Brand: ACI
SKU: A/50K-AP
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![ACI A/50K-IM-1"-PB 50,000 Ohm Thermistor, Immersion, Machined Well, 1", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-im-2-5-pb_24099611-ce56-497f-a51a-c32c76d8b6d1_medium.jpg?v=1719981823)
A / 50K-IM-1"-PB | 50, 000 Ohm Thermistor, Immersion, Machined Well, 1", Plastic Enclosure | ACI
Brand: ACI
SKU: A/50K-IM-1"-PB
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![ACI A/50K-BP-20'CL2P 50,000 Ohm Thermistor, Bullet Probe, 20' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp_21f7de97-3714-4a10-96a3-d04360178c10_medium.png?v=1719981780)
A / 50K-BP-20'CL2P | 50, 000 Ohm Thermistor, Bullet Probe, 20' Plenum Cable | ACI
Brand: ACI
SKU: A/50K-BP-20'CL2P
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![ACI A/50K-BP-10'CL2P 50,000 Ohm Thermistor, Bullet Probe, 10' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp_747239c7-c417-42e7-a2a6-91911257729a_medium.png?v=1719981765)
A / 50K-BP-10'CL2P | 50, 000 Ohm Thermistor, Bullet Probe, 10' Plenum Cable | ACI
Brand: ACI
SKU: A/50K-BP-10'CL2P
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