pressure sensors
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![Image for Duct Pressure Sensors](http://blackhawksupply.com/cdn/shop/files/PR-276-R10-VDC_73601120-2d2e-4549-ad16-c39798fdae13_100x.png?v=1720012815)
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![Image for Room Pressure Sensors](http://blackhawksupply.com/cdn/shop/files/a-465_1000x1000_0b89d767-51e4-4f25-9812-ad415e042d3e_100x.jpg?v=1719998350)
![Image for Air Pressure Switches](http://blackhawksupply.com/cdn/shop/files/PIC_AM_01APS-5.._01_4C-product_retina_1cacea0c-b4ef-4357-84be-f0f9865f89db_100x.jpg?v=1719983582)
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![Johnson Controls P352PQ-2C PROPORTIONAL PRESS CNTL; RANGE .025 - .25"WC 24VAC INPUT 0 - 10VDC & 0-20MA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P352PQ-2C_bb262208-2924-47bb-90d9-f8dea14a0d3d_medium.png?v=1719993394)
P352PQ-2C | PROPORTIONAL PRESS CNTL; RANGE .025 - .25"WC 24VAC INPUT 0 - 10VDC & 0-20MA | Johnson Controls
Brand: Johnson Controls
SKU: P352PQ-2C
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![Johnson Controls P499AAP-107C PRESSURE TRANS 0-750 PSIG; 4-20 MA OUTPUT SIGNAL 1/8" NPTF EXTRNAL STYLE 49 PRESS FITTING | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P499AAP-107C_0b93ee0a-d37c-43c3-965b-97b8dc210785_medium.png?v=1719993418)
P499AAP-107C | PRESSURE TRANS 0-750 PSIG; 4-20 MA OUTPUT SIGNAL 1 / 8" NPTF EXTRNAL STYLE 49 PRESS FITTING | Johnson Controls
Brand: Johnson Controls
SKU: P499AAP-107C
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![Dwyer LPG4-D9322N Low pressure gage | range -24-0-40" w.c. (-6-0-10 kPa). | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/lpg4_600x600_2168eaf2-6e2b-4c24-851f-615c654b2b27_medium.gif?v=1719999257)
LPG4-D9322N | Low pressure gage | range -24-0-40" w.c. (-6-0-10 kPa). | Dwyer
Brand: Dwyer
SKU: LPG4-D9322N
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![Dwyer DM-1108 DigiMag® differential digital pressure gage | range 0-10" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/dm_1000_topleft_inwc_1000x1000_658b3740-a3f7-4725-8529-a5d7b6c93795_medium.gif?v=1719998789)
DM-1108 | DigiMag® differential digital pressure gage | range 0-10" w.c. | Dwyer
Brand: Dwyer
SKU: DM-1108
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![Dwyer DHC-011 Differential pressure controller | range 50 in w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/digihelic_front_inwc_1000x1000_1bbbd5c5-0ba0-4965-9573-ddd5223cfae7_medium.jpg?v=1719998769)
DHC-011 | Differential pressure controller | range 50 in w.c. | Dwyer
Brand: Dwyer
SKU: DHC-011
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![Dwyer DCT1022 Master controller | 22 channels. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/dct1000_1000x1000_13338a5f-61c4-41f8-9bc3-90d8993b7d49_medium.jpg?v=1719998726)
DCT1022 | Master controller | 22 channels. | Dwyer
Brand: Dwyer
SKU: DCT1022
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![Dwyer 647-3 Wet/wet differential pressure transmitter | range 0-5" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/647_600x600_9570bd7f-046d-42f9-8d94-9e1ee0ac84e5_medium.gif?v=1719998103)
647-3 | Wet / wet differential pressure transmitter | range 0-5" w.c. | Dwyer
Brand: Dwyer
SKU: 647-3
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![Dwyer 685-03-V Differential pressure transmitter | 0-5" wc | 0-10 V output | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/685_front_1000x1000_849ee4e1-cbbb-462a-ac6b-26261d0934ce_medium.jpg?v=1719998074)
685-03-V | Differential pressure transmitter | 0-5" wc | 0-10 V output | Dwyer
Brand: Dwyer
SKU: 685-03-V
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![Dwyer 668D-09-1 Compact differential pressure transmitter | 4 to 20 mA | 0 to 50" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_0893c3ea-f324-4378-86ff-6dbd0c4082be_medium.gif?v=1719998006)
668D-09-1 | Compact differential pressure transmitter | 4 to 20 mA | 0 to 50" w.c. | Dwyer
Brand: Dwyer
SKU: 668D-09-1
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![Dwyer 668D-05-1 Compact differential pressure transmitter | 4 to 20 mA | 0 to 2.5" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_2c2ae1b1-da98-4a23-9645-b8076643429e_medium.gif?v=1719997991)
668D-05-1 | Compact differential pressure transmitter | 4 to 20 mA | 0 to 2.5" w.c. | Dwyer
Brand: Dwyer
SKU: 668D-05-1
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![Dwyer 648B-15 Zero center range -1-0-1" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/648c_600x600_71990296-f4bf-44b1-acbb-4dff303ba3f7_medium.gif?v=1719997944)
648B-15 | Zero center range -1-0-1" w.c. | Dwyer
Brand: Dwyer
SKU: 648B-15
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![Dwyer 629C-03-CH-P2-E5-S1 Wet/wet differential pressure transmitter | range 25 psid | working pressure 50 psi | over pressure 120 psi. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/629c_lcd_1000x1000_dfeb7332-ed9e-4dab-ab8c-1b0d385e1ef1_medium.gif?v=1719997929)
629C-03-CH-P2-E5-S1 | Wet / wet differential pressure transmitter | range 25 psid | working pressure 50 psi | over pressure 120 psi. | Dwyer
Brand: Dwyer
SKU: 629C-03-CH-P2-E5-S1
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Brand: Viconics
SKU: R820-643-REV2