Metal tube float flowmeter

The utility model discloses a metal tube float flowmeter which comprises a tube body, connecting flanges are evenly distributed at the upper end and the lower end of the tube body, a taper hole tube is installed in the tube body, a floater is arranged in the taper hole tube, a connecting rod is installed at the upper end of the floater, a permanent magnet is installed in the middle of the connecting rod, and a metal tube is installed in the permanent magnet. And a guider is mounted above the connecting rod. The metal pipe float flowmeter has the advantages that through the design of the pipe body, the taper hole pipe, the floater, the connecting rod, the permanent magnet block, the guider, the main electromagnetic inductor, the standby electromagnetic inductor, the main instrument indicator and the standby instrument indicator, the metal pipe float flowmeter can adopt two sets of detection systems; after the metal tube float flowmeter is used for a long time, the detection data of the metal tube float flowmet