The Goodwe SMART METER 24h Consumption Analyser Meter Kit for zero discharge is a necessary accessory to configure the injection to 0 of GoodWe inverters, as well as in inverters of any brand. We have two models, the three-phase model HK3000 and the single-phase HK1000 with which you can measure the current discharged to the grid. The Goodwe SMART METER 24h Consumption Analyser Meter Kit for zero discharge consists of a communication module (HomeKit) and a digital meter for 24-hour electricity consumption monitoring (Smart Meter). This analyzer is able to measure the consumption of the home or industry, constantly adapting the power delivered by the photovoltaic system to the consumption of the installation. It is a necessary accessory if we wish to configure the self-consumption photovoltaic installation so that it does not feed energy into the electricity grid. The meter is connected as follows: The WiFi antenna is connected to the upper part of the communication module and the conn