FLOWTECH Measuring Instruments Private Limited is the renowned manufacturer, exporter and supplier of Magnetic Deep Gauge which is intended for general in-line and for By-Pass metering applications (i.e. for Gas and Liquid) where the operating conditions are within the limitations of Glass metering tubes. You can achieve accurate flow rates with robust glass tube Rotameter, it consists of a tapered tube with a float inside that is pushed up by fluid flow and pulled down by gravity.