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Dwyer® Molded Plastic Manometer, Mark II 27, 0-7000 fpm, Requires Pitot Tube: Amazon.com: Industrial & Scientific
![Series DS | In-Line Flow Sensors are for compatible gases and liquids. They provide accurate and convenient flow rate sensing. Designed to be inserted in the pipeline through a compression fitting. Series DS | In-Line Flow Sensors are for compatible gases and liquids. They provide accurate and convenient flow rate sensing. Designed to be inserted in the pipeline through a compression fitting.](https://dwyer-inst.com/media/catalog/product/d/s/ds_family_1000x1000.jpg)
Series DS | In-Line Flow Sensors are for compatible gases and liquids. They provide accurate and convenient flow rate sensing. Designed to be inserted in the pipeline through a compression fitting.
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Amazon.com: Dwyer Instruments, Inc. 460 AIR VELOCITY & STATIC PRESSURE TEST : Industrial & Scientific
![Series DX | Wet/Wet Differential Pressure Switch for use with most gases and water based solutions. Externally adjustable set point, integral mounting flange and a removable electrical terminal block for quick and Series DX | Wet/Wet Differential Pressure Switch for use with most gases and water based solutions. Externally adjustable set point, integral mounting flange and a removable electrical terminal block for quick and](http://www.dwyer-inst.com/images/addtl/DX_600x600.gif)