sensors
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![Image for Water Detection](http://blackhawksupply.com/cdn/shop/files/Senva_Family_WD_909753fc-5e01-4976-b21f-1a46ea055ef3_100x.jpg?v=1720021280)
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![Image for Gas Detection](http://blackhawksupply.com/cdn/shop/files/aci-q6-co-h2-100l_905be93c-e90a-4247-9774-e5e64c2a4389_100x.jpg?v=1719983058)
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![Image for Flame Sensors](http://blackhawksupply.com/cdn/shop/files/578623_100x.jpg?v=1720025028)
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![Image for Covers](http://blackhawksupply.com/cdn/shop/files/VT73XX_100x.png?v=1720030229)
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![Image for Current/Voltage Sensors](http://blackhawksupply.com/cdn/shop/files/TH4-P1R1T0_76398a8d-df4f-4831-803d-0f441cc9334b_100x.jpg?v=1720047140)
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![ACI A/20K-R2S-A24-G5 20,000 Ohm Thermistor, Room (R2), Setpoint 9.5K to 1K, Blue/Red Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2s-a06-g5_414c7f5e-4902-4fe8-8de6-749b08e43c0b_medium.png?v=1719981717)
A / 20K-R2S-A24-G5 | 20, 000 Ohm Thermistor, Room (R2), Setpoint 9.5K to 1K, Blue / Red Sticker | ACI
Brand: ACI
SKU: A/20K-R2S-A24-G5
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![ACI A/1K-NI-IM-2.5"-PB 1,000 Ohm Nickel RTD, Immersion, Machined Well, 2.5", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-im-2-5-pb_0318ac22-57ab-4408-8f32-a04532a773d1_medium.jpg?v=1719981717)
A / 1K-NI-IM-2.5"-PB | 1, 000 Ohm Nickel RTD, Immersion, Machined Well, 2.5", Plastic Enclosure | ACI
Brand: ACI
SKU: A/1K-NI-IM-2.5"-PB
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![ACI A/20K-O-SUN 20K ohm | Outdoor Outside Air Temperature Sensor | w Sun Shield | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-cp-o-sun-nist_99667170-fb1b-4cb7-b025-7a6d248bac1e_medium.png?v=1719981717)
A / 20K-O-SUN | 20K ohm | Outdoor Outside Air Temperature Sensor | w Sun Shield | ACI
Brand: ACI
SKU: A/20K-O-SUN
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![ACI A/20K-RSO-A24-C5 20,000 Ohm Thermistor, Room (R), Setpoint 9.5K to 1K Ohms, Override, Cool/Warm sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-csi-rso-rj6-a29-c5_b3b9d41d-3a50-4b3a-8fb2-ff39f8030156_medium.png?v=1719981717)
A / 20K-RSO-A24-C5 | 20, 000 Ohm Thermistor, Room (R), Setpoint 9.5K to 1K Ohms, Override, Cool / Warm sticker | ACI
Brand: ACI
SKU: A/20K-RSO-A24-C5
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![ACI A/2252-BP 2.252K ohm | Bullet Probe Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp_98b1f849-fa3a-4032-881a-f0463664b9df_medium.png?v=1719981717)
A / 2252-BP | 2.252K ohm | Bullet Probe Temperature Sensor | ACI
Brand: ACI
SKU: A/2252-BP
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![ACI A/20K-INW-4"-GD IMMER 4", NO WELL, GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-1-gd_38c6b7a2-b32c-4af3-8afb-5bdde3dc8e85_medium.png?v=1719981716)
A / 20K-INW-4"-GD | IMMER 4", NO WELL, GD | ACI
Brand: ACI
SKU: A/20K-INW-4"-GD
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![ACI A/20K-D-8"-EXPL DUCT 8", EXPL ENC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-ttm1k-d-8-4-expl_9c331e10-7d74-4c36-8eb0-f2632b0d9dcf_medium.jpg?v=1719981716)
A / 20K-D-8"-EXPL | DUCT 8", EXPL ENC | ACI
Brand: ACI
SKU: A/20K-D-8"-EXPL
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![ACI A/20K-R2SO-A02-B4 20,000 Ohm Thermistor, Room (R2), Setpoint 0 to 20K Ohms, Override, 55-85 Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r2so-a02-c5_4f46d6b0-302d-4b68-b374-5928d01d7545_medium.png?v=1719981716)
A / 20K-R2SO-A02-B4 | 20, 000 Ohm Thermistor, Room (R2), Setpoint 0 to 20K Ohms, Override, 55-85 Sticker | ACI
Brand: ACI
SKU: A/20K-R2SO-A02-B4
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![ACI A/20K-INW-6"-PB IMMER 6", NO WELL, PB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-4-pb_909a9514-944b-4c19-b3b8-a21eaebd2759_medium.png?v=1719981712)
A / 20K-INW-6"-PB | IMMER 6", NO WELL, PB | ACI
Brand: ACI
SKU: A/20K-INW-6"-PB
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![ACI A/20K-D-18"-EXPL DUCT 18", EXPL ENC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-ttm1k-d-8-4-expl_b30c2d66-cc18-4cea-ad70-3967e0221142_medium.jpg?v=1719981712)
A / 20K-D-18"-EXPL | DUCT 18", EXPL ENC | ACI
Brand: ACI
SKU: A/20K-D-18"-EXPL
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![ACI A/20K-R-LCD-C 20,000 Ohm Thermistor, Room (R), LCD, C, Blank logo | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-r-2-lcd_16c713a5-b6ad-4e9e-9bac-9142ddbf8454_medium.png?v=1719981712)
A / 20K-R-LCD-C | 20, 000 Ohm Thermistor, Room (R), LCD, C, Blank logo | ACI
Brand: ACI
SKU: A/20K-R-LCD-C
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![ACI A/20K-DO-12" 20K ohm | Duct Temperature Sensor | Sensor Length: 12 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_b06d2eef-9411-4ab4-bb7c-3c7bb3ff0a54_medium.png?v=1719981712)
A / 20K-DO-12" | 20K ohm | Duct Temperature Sensor | Sensor Length: 12 inch | ACI
Brand: ACI
SKU: A/20K-DO-12"
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![ACI A/20K-D-18"-GD-NIST NIST CONFIGURATOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_5a656809-4046-448b-b93a-a5896216d9c8_medium.png?v=1719981712)
A / 20K-D-18"-GD-NIST | NIST CONFIGURATOR | ACI
Brand: ACI
SKU: A/20K-D-18"-GD-NIST
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![ACI A/20K-IM-4"-GD IMMER 4", GD, MACH WELL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-im-4-gd_7d2d5615-5321-4784-a085-6665f039a297_medium.jpg?v=1719981707)
A / 20K-IM-4"-GD | IMMER 4", GD, MACH WELL | ACI
Brand: ACI
SKU: A/20K-IM-4"-GD
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![ACI A/20K-RS-A03-C5 20,000 Ohm Thermistor, Room (R), Setpoint 0 to 10K Ohms, Cool/Warm Sticker | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-10ks-rs-a26-c5_2663d623-4d44-42f4-a7e5-49f553748c35_medium.png?v=1719981711)
A / 20K-RS-A03-C5 | 20, 000 Ohm Thermistor, Room (R), Setpoint 0 to 10K Ohms, Cool / Warm Sticker | ACI
Brand: ACI
SKU: A/20K-RS-A03-C5
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![ACI A/20K-PO-4"-EXPL 20,000 Ohm Thermistor, Hazardous, Probe Only, 4" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-20k-po-4-expl_adc22836-2a6a-4152-9d7a-fb47695b55c1_medium.jpg?v=1719981707)
A / 20K-PO-4"-EXPL | 20, 000 Ohm Thermistor, Hazardous, Probe Only, 4" | ACI
Brand: ACI
SKU: A/20K-PO-4"-EXPL
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![ACI A/20K-INW-6"-4X IMMER 6", NO WELL, 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-inw-6-4-4x-potted_d178dc0a-3714-486b-b6b2-f5daddb557c6_medium.jpg?v=1719981707)
A / 20K-INW-6"-4X | IMMER 6", NO WELL, 4X | ACI
Brand: ACI
SKU: A/20K-INW-6"-4X
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![ACI A/20K-IM-2.5"-4X 20,000 Ohm Thermistor, Immersion, Machined Well, 2.5", NEMA 4X Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_086114ea-6e39-49ca-842c-fbc86e46c2ab_medium.jpg?v=1719981717)
A / 20K-IM-2.5"-4X | 20, 000 Ohm Thermistor, Immersion, Machined Well, 2.5", NEMA 4X Enclosure | ACI
Brand: ACI
SKU: A/20K-IM-2.5"-4X
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![ACI A/20K-R-NIST NIST CONFIGURATOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_4e13bf15-85f4-43e1-984c-1e30d03fb629_medium.png?v=1719981706)
A / 20K-R-NIST | NIST CONFIGURATOR | ACI
Brand: ACI
SKU: A/20K-R-NIST
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![ACI A/20K-PM-20'CL2P 20,000 Ohm Thermistor, Pipe Mount, 20' Plenum Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-pm-20-cl2p_ff101250-cc49-4793-b3be-539e622709a8_medium.png?v=1719981706)
A / 20K-PM-20'CL2P | 20, 000 Ohm Thermistor, Pipe Mount, 20' Plenum Cable | ACI
Brand: ACI
SKU: A/20K-PM-20'CL2P
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