Liquid Flow Meters from RS Components, Ltd.


7440717 -- View Larger Image

The PFM series from SMC are dual flow switches designed to detect microchip component adsorption in vacuum, congestion in filters and nozzles. Compact and light weight design, suitable for use with carbon dioxide, air, nitrogen or argon.
Flow rate range: 10, 25, 50,100 l/min. Minimum unit setting: 0.01 l/min. Repeatability: ±1%F.S. or less. Grease-free. Flow adjustment valve is integrated - reduced piping and space saving. Response time can be set
Media Monitored = Fluid
Device Type = Sensor/Switch with Indicator
Minimum Flow Rate = 1 L/min
Maximum Flow Rate = 50 L/min
Supply Voltage = 24 V dc
Pipe Diameter Range = 8 mm
Maximum Pressure = 750kPa
Material = PBT
Minimum Media Temperature = 0 °C
Maximum Media Temperature = +50°C


SMC Corporation of America
Manufacturer Part Number
Product Category
Liquid Flow Meters
Process Media Type
Liquid; Gas
Operating Pressure
109 psi (76.56 m H2O)
Media Temperature
32 to 122 F (0 to 50 C)
Gas Volumetric Flow Rate
Pipe Diameter
Electrical Output
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