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Product catalogue
During the past few years it's generally been accepted that analogue float type flow meters cannot always provide an accurate indication of performance when used in low flow rate applications. But now, thanks to R&D engineers from SMC, the world's leading automation experts and their new Series PFM Digital Flow Switch using MEMS technology, this simply isn't the case.Developed initially to detect microchip component adsorption in vacuum and early clogging in both filter and nozzle applications, the new Series PFM Flow Switch is incredibly compact and lightweight compared to existing flow sensors thanks to its micro electro mechanical system (MEMS) sensor. With its unique integrated flow adjustment valve, which can be added or disconnected by simply removing its retaining clip, linear flow rate can be adjusted manually by rotating the flow rate adjustment knob. Further features of the PFM are the dual colour digital display which indicates any performance irregularities at a glance and due to its MEMS sensor both straight or elbow piping options are possible making this the perfect flow switch when space limitations are an issue.Currently the PFM range is available in four maximum flow rate options 10, 25, 50 and 100 l/min and is suitable for use with air, nitrogen, argon or carbon dioxide.
SMC offers a variety of digital flow switches. Series PF2A for air, PF2W for water, PF2D for deionized water and chemicals. Flow rate setting and monitoring are possible with the digital display. Integrated and remote type displays are available for different types of application. Water resistant construction is used conforming to IP65 protection. Switching from real-time flow rate to accumulated flow is possible.
IFW series flow switches detect and confirm liquid flow. They are applicable to general industrial machines and various other applications. The IFW series will detect the flow of water and other non-corrosive fluids. The detection range is from 1 to 50 liters per minute. The flow setting can be adjusted with a screwdriver from the outside of the unit without removing the cover.
The paddle style flow switch, series IF3 detects and confirms liquid flow. The series is generally used in fields such as air conditioning, water supply equipment, etc. Enclosures include a standard type for indoor applications away from moisture; drip proof (JIS C0920) which can tolerate water drip in indoor or outdoor applications; and splash proof (JIS C0920) which has a sealed construction that can tolerate hosing or salt laden atmospheres.
