flow sensors
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![Dwyer RMA-9-TMV Flowmeter | range 15-150 SCFH air. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rm_family_1000x1000_dec62004-a6b0-4803-87c2-a138e96a46f0_medium.gif?v=1719999567)
RMA-9-TMV | Flowmeter | range 15-150 SCFH air. | Dwyer
Brand: Dwyer
SKU: RMA-9-TMV
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![Dwyer GFT2-10-RS485 Flow totalizer | 0-10 VDC input | RS-485 serial communication. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/gft2_600x600_1b8ffc6e-97a9-4c28-9fd3-1582c254b4f0_medium.gif?v=1719999168)
GFT2-10-RS485 | Flow totalizer | 0-10 VDC input | RS-485 serial communication. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: GFT2-10-RS485
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![Dwyer HFO-21123 In-line flow alarm | range 4-23 SCFM air | 1/4" female NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hfo_front_1000x1000_3889c611-efe5-450f-8dc3-1c6e6f296fc7_medium.gif?v=1719999169)
HFO-21123 | In-line flow alarm | range 4-23 SCFM air | 1 / 4" female NPT. | Dwyer
Brand: Dwyer
SKU: HFO-21123
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![Dwyer DS-400-20 Flow sensor | 20" pipe size. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ds_family_1000x1000_fd60b0c6-11d9-4a69-b604-785c3fdc019c_medium.jpg?v=1719999159)
DS-400-20 | Flow sensor | 20" pipe size. | Dwyer
Brand: Dwyer
SKU: DS-400-20
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