Main purposeTechniques Parameter
Time of use electricity metering for single-phase electricity users in newly built or renovated urban residential areas and rural areas, with prepayment function, is particularly suitable for installation sites in residential areas, government agencies, factories, mines, schools, etc. It can effectively solve the problem of difficult charging, guide users to optimize electricity consumption methods, and improve energy utilization efficiency. It is the preferred product for promoting demand side management and optimizing the allocation of power resources.
main featuresMajor
1.Function
2.It has the function of measuring positive and negative active energy, and can store its data.
3.A built-in hardware clock circuit with temperature compensation function should be used, with a built-in perpetual calendar and automatic compensation function for clock, leap year, and leap month.4Having two sets of rate schedule, which can be automatically converted at the agreed time; Each set of rates should support at least
4.A rate.Cost control function: throughCPU
5.Implemented using solid-state media such as cards.
6.Capable of measuring, recording, and displaying operational parameters such as voltage, current (including neutral line current), power, and power factor of the current energy meter.10The electric meter can record * near
7.Secondary programming, demand zeroing, timing, remote control of tripping, remote control of closing, opening of meter cover, zeroing of electric energy meter.
8.It has functions of timed freezing, instant freezing, agreed freezing, and daily freezing.When setting parameters, pre storing electricity fees, writing back information, and issuing remote control commands to an energy meter through solid-state or virtual media, strict password verification orESAM
9.Module and other security certifications ensure secure and reliable data transmission.Equipped with one modulated infrared communication interface and one completely isolated channelRS485
Communication interface, convenient for on-site maintenance and remote data collection.major function
1.Major Function
2.Fully electronic design, built-in dedicated metering chip, featuring high precision, high sensitivity, logic anti submarine, high reliability, and wide load capacity.
3.According to user requirements, corresponding display modes such as digital tubes and LCD displays can be selected. Display comprehensive and clear data, record accurate and reliable data without loss.
4.Adopting optimized design with low self power consumption, it can reduce power grid line loss and provide power supply efficiency when used on a large scale.useSMT
5.Technology, using internationally renowned brands and long-life components, accuracy is not affected by frequency, temperature, voltage, and high-order harmonics, installation position is arbitrary, and the whole machine does not need to be adjusted after leaving the factory. The calibration cycle can be extended, greatly reducing the workload of power management departments in testing and verifying energy meters, and the reliability is significantly improved compared to other similar products.Equipped with optoelectronic isolation pulse outputRS485
6.Communication interface, convenient for functional expansion, meets the requirements of automation management in power management departments.
Small in size, lightweight, and easy to install. And there are multiple external dimensions to choose from.technical parameter
