Metal tube rotameter is all metal structure design, short stroke, easy to install. Metal tube rotameter HART intelligent indicator adopts foreign signal acquisition and processing chip, modular design, without any transmission mechanism transmitter, no magnetic lag; metal tube rotameter and rotameter have data recovery, data backup, failure Electrical protection and error self-diagnosis function, parameter configuration and on-site adjustment can be carried out through the HART communication hand-held communicator. HF metal tube rotameter and rotameter are sturdy, simple, and have a long service life. They are used in the measurement and process control of liquid, gas, and steam media in petroleum, chemical, metallurgy, electric power, medicine, food, paper and other industries.