Measurement accuracy: ± 1.5%;

　　It is suitable for flow measurement of large diameter pipeline, and the measurement is not affected by the pipeline material;

　　Small volume, light weight, convenient installation and small maintenance;

　　On line plug-in type can realize no cut-off, pressure opening, installation, disassembly, convenient maintenance;

　　Simple structure, no movable parts, long service life;

　　The measurement is only related to the insertion depth, so it has wide universality and strong interchangeability;

　　The upper end of the inserting rod is provided with a scale mark, which is convenient for positioning, and the inserting depth is adjusted to adapt to different caliber pipes;

　　Power supply optional power supply or built-in lithium battery power supply.