Digital Lcd Voltmeter 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 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 Keypad STS prepaid smart energy meter. Our professional expertise in manufacturing Keypad STS prepaid smart energy meter has been honed over the past 10+ years. Keypad STS prepaid smart energy meter,customer purchases energy by the vending network to get a serial number (name as ToKEN),and then use the keypad of keypad STS prepaid smart energy meter to enter the TOKEN,the credit data will be entered into the meter,after the TOKEN being accepted,the TOKEN contains 20digits and is encrypted.

Gomelong is a professional manufactures of Din rail type electric bi-directional energy meter. Our professional expertise in manufacturing Din rail type electric bi-directional energy meter has been honed over the past 10+ years. Din rail type electric bi-directional energy meter adopts the latest oversea electric energy special integration circuit, greatly improved dynamic working range of Mete.To make the ability of actual overload up to over 10 times.Din rail type electric bi-directional energy meter have good mistake linearity in the range of 5%Ib-lmax.

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 meter. Our professional expertise in manufacturing Three phase digital voltage bidirectional meter has been honed over the past 10+ years. Three phase digital voltage bidirectional meters is a kind of new style three phase four wire multifunction energy meter.Three phase digital voltage bidirectional meters has following features: good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.