Digital Lcd Voltmeter Manufacturers

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 Kwh Energy Electricity Meter. Our professional expertise in manufacturing Kwh Energy Electricity Meter has been honed over the past 10+ years. Kwh Energy Electricity Meters are one kind of new style single phase two wire active energy meter.Kwh Energy Electricity Meters adopt micro-electronics technique, and imported large scale integrate circuit, uses advanced technique of digital and SMT techniques, etc.

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 Three phase four wire din rail pluse power meter. Our professional expertise in manufacturing Three phase four wire din rail pluse power meter has been honed over the past 10+ years. Three phase four wire din rail pluse power meter accurately and directly measure 50Hz or 60Hz active energy consumption from three phase four wire AC electricity net. Three phase four wire din rail pluse power meter can display total energy consumption by step and motor type impulse register.

Gomelong is a professional manufactures of Three phase current voltage frequency meter. Our professional expertise in manufacturing Three phase current voltage frequency meter has been honed over the past 10+ years. Three phase current voltage frequency meter supports RS-485 communication, Modbus-RTU protocol.Provide the digital tube display, local data query.Three phase current voltage frequency meter has a variety of shapes, to meet the different requirements of the cabinet body electric circuit.

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.