Posts that use SCT-013 clamps
- · FAQWhy does a circuit read zero when something small is switched on?Because the load is under the clamp's floor. A clamp reads usefully from about 0.5 % of its rating, so a large clamp cannot see a small load.Tested on firmware v1.1.4
· FAQWhich SCT-013 do you have? Voltage-output vs current-outputSeven voltage-output SCT-013 clamps work with RBgrid and rbAmp Basic modules; the current-output SCT-013-000 doesn't. How to tell them apart by the label.Tested on firmware v1.1.4
· Use casesWhich machine is costing you — and how close the workshop is to its limitKnow which machine runs, what the compressor costs and how close the workshop is to its input limit: STD-U3I3 on the input, a Basic per phase.Tested on firmware v1.1.4
· Use casesWhat your exported kWh is worth, hour by hourBuild the RBgrid demo solar house on a real hub - STD-UI1 meters on the supply and the inverter, circuits on a Basic UI5, export at your sell price.Tested on firmware v1.1.4
· Use casesWhat the heat pump and the EV cost, per phase and per zoneSee what the heat pump and the EV charger cost per phase and per tariff zone, on an STD-U3I3 meter and one Basic module per phase.Tested on firmware v1.1.4
· Use casesWhere the money goes in a flat on a day/night tariffBuild the RBgrid demo flat on a real hub - an STD-UI1 meter on the supply, five circuits on a Basic module, a day/night tariff - and what the app shows.Tested on firmware v1.1.4
· Use casesThree chargers on one connection: what each costs, and how close to the limitBuild the RBgrid demo car park on a real hub - an STD-UI1 precise energy meter on the supply, three chargers on a Basic UI5, the Charging stations view.Tested on firmware v1.1.4
· GuidesA power meter for Home Assistant, from flashing to the Energy dashboardFlash RBgrid on an ESP32, clamp one circuit, and get power and energy into the Home Assistant Energy dashboard over MQTT discovery, with no templates.Tested on firmware v1.1.4- · Firmware releasesRBgrid v1.1.2RBgrid v1.1.2 — up to eight rbAmp modules per hub, three-phase input from one module, and the web app as a ready package.