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We offer over 8000+ total Dwyer products, including accessories, air velocity transmitters, bin vibrators, CO2/Temp (Duct) sensors, and more. Shop now!
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![Dwyer HM3531DLH300 Differential pressure manometer | range 0-14.5 psi | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_305d6c87-8fb7-4609-be44-3cba4ecc3492_medium.gif?v=1719999123)
HM3531DLH300 | Differential pressure manometer | range 0-14.5 psi | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLH300
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![Dwyer HM3531GMJ310 Gage pressure manometer | range 0-29 psi | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_af739c09-b0ca-4e48-9d96-04a792dc0c42_medium.gif?v=1719999173)
HM3531GMJ310 | Gage pressure manometer | range 0-29 psi | 0.2% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531GMJ310
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![Dwyer HM3531GMK310 Gage pressure manometer | range 0-108 psi | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_5da9dfbe-3e11-4250-865c-fb9d2b4656f1_medium.gif?v=1719999164)
HM3531GMK310 | Gage pressure manometer | range 0-108 psi | 0.2% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531GMK310
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![Dwyer HM3531DLG300 Differential pressure manometer | range 0-200" w.c. | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_5c44084f-f010-429d-8731-362a06f82549_medium.gif?v=1719999124)
HM3531DLG300 | Differential pressure manometer | range 0-200" w.c. | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLG300
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![Dwyer HM3531GMH310 Gage pressure manometer | range 0-14.5 psi | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_2193e778-c438-4925-8771-783fa756c31f_medium.gif?v=1719999159)
HM3531GMH310 | Gage pressure manometer | range 0-14.5 psi | 0.2% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531GMH310
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![Dwyer HM3531GMG310 Gage pressure manometer | range 0-7.25 psi | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_7da632f7-14c3-4c61-9c37-29538de72581_medium.gif?v=1719999577)
HM3531GMG310 | Gage pressure manometer | range 0-7.25 psi | 0.2% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531GMG310
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![Dwyer HM3531DLF300 Differential pressure manometer | range 0-120" w.c. | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_8882857c-3952-48f6-a53f-d8413180bd0a_medium.gif?v=1719999173)
HM3531DLF300 | Differential pressure manometer | range 0-120" w.c. | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLF300
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![Dwyer HM3531DLC600 Differential pressure manometer | range 0-28" w.c. | 0.1% of reading accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_c860a0f6-dcbd-499b-b951-34b4a9172ce9_medium.gif?v=1719999188)
HM3531DLC600 | Differential pressure manometer | range 0-28" w.c. | 0.1% of reading accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLC600
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![Dwyer HM3531DLC300 Differential pressure manometer | range 0-28" w.c. | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_474c144f-4bd5-43c6-af92-641cfee376c5_medium.gif?v=1719999173)
HM3531DLC300 | Differential pressure manometer | range 0-28" w.c. | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLC300
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![Dwyer HM3531DLF600 Differential pressure manometer | range 0-120" w.c. | 0.1% of reading accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_3b8fa357-e825-42b6-b362-d4d42b23961c_medium.gif?v=1719999103)
HM3531DLF600 | Differential pressure manometer | range 0-120" w.c. | 0.1% of reading accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLF600
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![Dwyer HM3531ALK300 Absolute pressure manometer | range 0-108 psia | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_267c646d-3e71-4266-961c-035886174464_medium.gif?v=1719999098)
HM3531ALK300 | Absolute pressure manometer | range 0-108 psia | 0.2% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531ALK300
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![Dwyer HM3531DLB300 Differential pressure manometer | range 0-10" w.c. | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_63c3c704-021e-4e17-80d7-7cad37848928_medium.gif?v=1719999241)
HM3531DLB300 | Differential pressure manometer | range 0-10" w.c. | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLB300
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![Dwyer HM3531DLE300 Differential pressure manometer | range 0-80" w.c. | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_7b5c230a-0708-487e-ad51-be62614bc275_medium.gif?v=1719999119)
HM3531DLE300 | Differential pressure manometer | range 0-80" w.c. | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531DLE300
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![Dwyer HM3531ALK600 Absolute pressure manometer | range 0-108 psia | 0.1% of reading accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_5cfbdb36-a7b0-4d35-855a-6910a454a8de_medium.gif?v=1719999119)
HM3531ALK600 | Absolute pressure manometer | range 0-108 psia | 0.1% of reading accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531ALK600
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![Dwyer HM3531ALK200 Absolute pressure manometer | range 0-108 psia | 0.1% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_7043fa2e-2662-4a6a-ac09-c05e8bd9ef22_medium.gif?v=1719999144)
HM3531ALK200 | Absolute pressure manometer | range 0-108 psia | 0.1% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531ALK200
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![Dwyer HM3531ALJ600 Absolute pressure manometer | range 0-29 psia | 0.1% of reading accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_a951ae77-2e22-415b-8a3b-1f2ac489fbf1_medium.gif?v=1719999083)
HM3531ALJ600 | Absolute pressure manometer | range 0-29 psia | 0.1% of reading accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531ALJ600
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![Dwyer HM3531ALJ300 Absolute pressure manometer | range 0-29 psia | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_0896467b-e662-4523-aee9-b98d72f11956_medium.gif?v=1719999103)
HM3531ALJ300 | Absolute pressure manometer | range 0-29 psia | 0.2% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531ALJ300
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![Dwyer HM3531ALJ200 Absolute pressure manometer | range 0-29 psia | 0.1% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_509259dd-901a-41de-9c04-230c0a1bedf6_medium.gif?v=1719999159)
HM3531ALJ200 | Absolute pressure manometer | range 0-29 psia | 0.1% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531ALJ200
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![Dwyer HM3531ALI300 Absolute pressure manometer | range 0-15.9 psia | 0.2% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_e4366142-f5a1-408b-8b43-91144d0e0877_medium.gif?v=1719999118)
HM3531ALI300 | Absolute pressure manometer | range 0-15.9 psia | 0.2% accuracy. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: HM3531ALI300
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![Dwyer HM3531ALJ100 Absolute pressure manometer | range 0-29 psia | 0.05% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_8aa7f56e-c0aa-455f-ade7-bc30641316f1_medium.gif?v=1719999088)
HM3531ALJ100 | Absolute pressure manometer | range 0-29 psia | 0.05% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531ALJ100
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![Dwyer HM3531ALI200 Absolute pressure manometer | range 0-15.9 psia | 0.1% accuracy. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hm35_front_1000x1000_0ffc3941-ed10-438a-8005-3c0096245eb3_medium.gif?v=1719999123)
HM3531ALI200 | Absolute pressure manometer | range 0-15.9 psia | 0.1% accuracy. | Dwyer
Brand: Dwyer
SKU: HM3531ALI200
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![Dwyer 476A-0 Digital manometer | range -20 to 20" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/476a-478a_1000x1000_e1e91bcd-a04e-499b-a8ad-fb5d2f0d22fe_medium.jpg?v=1719997778)
476A-0 | Digital manometer | range -20 to 20" w.c. | Dwyer
Brand: Dwyer
SKU: 476A-0
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