What kind of meter measuring sewage electromagnetic flowmeter sewage flow meters

HHLD series electromagnetic flowmeter is I am using the most advanced technology research and development of all intelligent electromagnetic flowmeter, its wholly Chinese electromagnetic converter core with high-speed central processor. Very fast calculation speed, high precision measurement and reliable performance. Converter circuit design using international advanced technology, high input impedance of 1015 ohms, the common-mode rejection ratio better than 100db, for external interference and 60Hz / 50Hz interference suppression is better than 90db, you can measure the fluid medium flow lower conductivity. Its non-uniform magnetic field sensor technology and special magnetic structure, the magnetic field is stable and reliable, and large reduced volume, reduced duplication and meter the flow of small features. Enable customers to "buy rest assured that with the peace of mind, service Heart" is the purpose of my company. Features: ▲ pipeline within no moving parts, unimpeded flow of parts, measuring almost no additional pressure loss. ▲ measurements and velocity distribution of physical parameters of fluid pressure, temperature, density and viscosity. ▲ in the field according to the actual needs of users online range. ▲ High-resolution backlit LCD display, full Chinese menu operation, easy to use, simple, easy to understand (other languages ??can be customized). ▲ using SMD devices and surface mount (SMT circuit reliability). ▲ 16-bit embedded microprocessors, computing speed, high precision, programmable low-frequency square wave excitation frequency and improve the stability of flow measurement, low power consumption. ▲ full digital processing, anti-interference ability, reliable measurement, high accuracy flow measurement range up to 150: 1 ▲ ultra-low EMI switching power supply, power supply voltage range, anti-EMC good ▲ interior has three totalizer may show positive cumulative volume and the amount of the difference totalizer, with internal clock does not power down, it can record 16 power-down time ▲ with RS-485, RS-232C, Hart and Modbus digital communications signal output. ▲ with self-test and self-On feature 1 Overview works electric meter measuring principle is based on Faraday's law of electromagnetic induction. Measuring tube flowmeter is a non-magnetic metal lined insulating material spool. Two electrode wear through the wall of the pipe diameter direction is fixed on the measuring tube. Its tip and the inner surface of the lining substantially flush. When both the field coil excitation pulse, will produce a magnetic flux density B of the magnetic field in a working direction perpendicular to the axis of the measuring tube. At this time, if the fluid flowing through the measuring tube has a certain conductivity. Cutting magnetic lines induced electromotive force E. Electromotive force E is proportional to the magnetic flux density B, measuring tube diameter d and average velocity v of the product. Electromotive force E (traffic signal) detected by the electrodes and sent through the cable converter. After transformation will flow signal amplification processing, fluid flow can be displayed, and the output pulse energy, and other analog current signal for controlling and adjusting the flow rate.