Fitzer instruments [india] pvt ltd is engaged in manufacturing a wide range of pressure, flow and level measuring instruments. These instruments have wide application in mining, petrochemicals, refineries, government calibration laboratories & engineering institutions etc. As part of that, the company offers metal tube rotameters model fitzer/mtr/200. These are ideal for measuring flow rate of liquids and gases under critical conditions. They comprise of tapered metal tube with indicating assembly. A magnet is housed in float couples with rotating magnet, connected to an indicating pointer.
Metal Tube Rotameters - Indian Products Directory