Smart Prepaid IC Card Lora Water Meter Manufacturers

Gomelong is a professional manufactures of din rail type bi-directional energy meter. Our professional expertise in manufacturing din rail type bi-directional energy meter has been honed over the past 10+ years. RS485 din rail type bi-directional energy meter measure active electric energy, no need calibrate for long-term operation. RS485 din rail type bi-directional energy meter adopt the special chip of measurement ADE7755.

Gomelong is a professional manufactures of Two phase three wire modbus RTU energy meter. Two phase three wire modbus RTU energy meter is utilized digital sampling technology and advanced SMT technology The meter has unbeatable accuracy and high reliability. It is designed and manufactured according to actual situations of resident usage of electricity. The two-phase voltage and current through the sampling circuit switched into signals and the signals into a two-phase energy measurement specific integrated chip. The specific IC put out pulse signals which are proportional to the measured two-phase power to drive the register, to achieve measuring two-phase eneray. At the same time, the energy meter output power test pulse with isolated optical coupler.

Gomelong is a professional manufactures of Three phase digital voltage bidirectional electric meters. Our professional expertise in manufacturing Three phase digital voltage bidirectional electric meters has been honed over the past 10+ years. Three Phase Digital Voltage Bidirectional Electric Meters are a kind of new style three phase four wire multifunction energy meter.The meter completely accord with relevant technical requirements of class 1 three phase active energy meter stipulated in international standard IEC 62053-21 and class1 three phase reactive energy meter in international standard IEC 62053-23.

Gomelong is a professional manufactures of Prepaid IC card water meter. Our professional expertise in manufacturing Prepaid IC card water meter has been honed over the past 10+ years. Prepaid IC card water meter has prepaid function.During the using process,Prepaid IC card water meter microcomputer calculates water consumption automatically.When the water runs out,the prepaid IC card water meter will close the valve automatically,and user need to repurchase water from management.

Gomelong is a professional manufactures of Two phase three wire electronic active energy meters. Our professional expertise in manufacturing Two phase three wire electronic active energy meters has been honed over the past 10+ years. Two phase three wire electronic active energy meters are utilized digital sampling technology and advanced SMT technology The meter has unbeatable accuracy and high reliability. It is designed and manufactured according to actual situations of resident usage of electricity. The two-phase voltage and current through the sampling circuit switched into signals and the signals into a two-phase energy measurement specific integrated chip.

Gomelong is a professional manufactures of Single Phase Kilowatt-hour Meter. Our professional expertise in manufacturing Single Phase Kilowatt-hour Meter has been honed over the past 10+ years. Single Phase Kilowatt-hour Meter is a kind of new style single phase two wire active energy meter, adopts micro-electronics technique, and imported large scale integrate circuit, uses advanced technique of digital and SMT techniques, etc. Customize single phase energy meter with optical completely accords with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC62053-21.