pressure sensors
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![Image for Differential Pressure Switches](http://blackhawksupply.com/cdn/shop/files/PW2XX05S_100x.jpg?v=1720029918)
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![Image for Pressure Switches](http://blackhawksupply.com/cdn/shop/files/PIC_AM_01APS-5.._01_4C-product_retina_985ddf56-4271-4756-8d19-acdc384cc571_100x.jpg?v=1719983591)
![Image for Duct Pressure Sensors](http://blackhawksupply.com/cdn/shop/files/PR-276-R10-VDC_73601120-2d2e-4549-ad16-c39798fdae13_100x.png?v=1720012815)
![Image for Pressure Gauges](http://blackhawksupply.com/cdn/shop/files/PIC_PR_21X_53_en_us_62635_22c41953-8adf-4c87-88ca-82e3e507d815_100x.png?v=1720033209)
![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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![Image for Differential Pressure Gauges](http://blackhawksupply.com/cdn/shop/files/dm_1000_topleft_inwc_1000x1000_658b3740-a3f7-4725-8529-a5d7b6c93795_100x.gif?v=1719998789)
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![Image for Pressure Controllers](http://blackhawksupply.com/cdn/shop/files/SPC_100x.png?v=1720017666)
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![Dwyer BK-0010 Refrigeration: Home & Commercial | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/books_pic_113f62da-b2d6-4976-9c1d-8b9409632d69_medium.jpg?v=1719998527)
BK-0010 | Refrigeration: Home & Commercial | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: BK-0010
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![Dwyer BDPA-03-2-N Adjustable differential pressure alarm | range .20-2.00" w.c. | M20 connection. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bpda_animatedledbuzzer_1000x1000_40420f10-42b7-48ef-92d3-1be6d088e443_medium.gif?v=1719998523)
BDPA-03-2-N | Adjustable differential pressure alarm | range .20-2.00" w.c. | M20 connection. | Dwyer
Brand: Dwyer
SKU: BDPA-03-2-N
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![Dwyer BHC35DD Bulk head connector | 1-1/2" size | double connection. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bhc_family_1000x1000_127925a4-1e6a-4ea3-8512-f1fec482a0ee_medium.jpg?v=1719998523)
BHC35DD | Bulk head connector | 1-1 / 2" size | double connection. | Dwyer
Brand: Dwyer
SKU: BHC35DD
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![Dwyer BHC20D Bulk head connector | 3/4" size | single connection. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bhc_family_1000x1000_a8ca483d-fc42-4f34-a833-c8d2fff169b8_medium.jpg?v=1719998508)
BHC20D | Bulk head connector | 3 / 4" size | single connection. | Dwyer
Brand: Dwyer
SKU: BHC20D
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![Dwyer BDPA-06-2-N Adjustable differential pressure alarm | range 2.00-10.00" w.c. | M20 connection. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bpda_animatedledbuzzer_1000x1000_a755674c-0676-4895-b569-2e9936d72589_medium.gif?v=1719998498)
BDPA-06-2-N | Adjustable differential pressure alarm | range 2.00-10.00" w.c. | M20 connection. | Dwyer
Brand: Dwyer
SKU: BDPA-06-2-N
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![Dwyer BK-0005 HVAC Fundamentals -- Volume 1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/books_pic_eeed7b97-055e-4a26-9502-cfe190dccadd_medium.jpg?v=1719998485)
BK-0005 | HVAC Fundamentals -- Volume 1 | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: BK-0005
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![Dwyer BDPA-07-2-N Adjustable differential pressure alarm | range 4.00-20.00" w.c. | M20 connection. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bpda_animatedledbuzzer_1000x1000_2b6e0bdd-fd04-4c4a-8300-aab6261c0945_medium.gif?v=1719998484)
BDPA-07-2-N | Adjustable differential pressure alarm | range 4.00-20.00" w.c. | M20 connection. | Dwyer
Brand: Dwyer
SKU: BDPA-07-2-N
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![Dwyer 629HLP-15-P2-S1 Differential pressure transmitter | 0-15 psi | 1/4" Female NPT | 4-20mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/629hlp_frontleft_1000x1000_b13ff266-7dfd-4f36-b172-89ec0f16ab4f_medium.gif?v=1719998181)
629HLP-15-P2-S1 | Differential pressure transmitter | 0-15 psi | 1 / 4" Female NPT | 4-20mA | Dwyer
Brand: Dwyer
SKU: 629HLP-15-P2-S1
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![Dwyer 673-10C Pressure transmitter | range 0-1000 psi. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/673_family_1000x1000_d820bb92-e619-467b-a94a-64a46c121378_medium.jpg?v=1719998171)
673-10C | Pressure transmitter | range 0-1000 psi. | Dwyer
Brand: Dwyer
SKU: 673-10C
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![Dwyer 616WL-25-LCD Differential pressure transmitter | range 0-250 Pa | NEMA 4X housing | with LCD display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/616wl_31abe99e-ab5e-4eb6-8b13-d94d4ad0167a_medium.jpg?v=1719998170)
616WL-25-LCD | Differential pressure transmitter | range 0-250 Pa | NEMA 4X housing | with LCD display. | Dwyer
Brand: Dwyer
SKU: 616WL-25-LCD
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![Dwyer 673-4 Pressure transmitter | range 0-10 psi. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/673_family_1000x1000_3e400a88-b8c3-4527-9d9f-587cd19869e0_medium.jpg?v=1719998150)
673-4 | Pressure transmitter | range 0-10 psi. | Dwyer
Brand: Dwyer
SKU: 673-4
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