Acrylic variable area flow meter for liquids and gases with NPT female threaded connections

Variable area rotameter dedicated to measuring low flow rates of liquids and gases. The body is made from a single piece of acrylic with an integral metering tube and is fitted with replaceable NPT female threaded connections. A simple design that offers good value for money.

Features

• Water: from 4…50 cm³/min to 1…10 l/min
• Air: from 0.04…0.5 l/min to 100…700 l/min
• Threaded connections from 1/8" to 1" NPT-F
• Removable fittings in PVC, brass or stainless steel
• pmax 6.5 bar, tmax 65 °C
• Accuracy ±2…5 % of full scale

Operating principle

The instrument works on the suspended float principle: mounted vertically, it is crossed by the medium from bottom to top, and the float settles at a height that indicates the flow rate on the scale.