... the quality of your power by monitoring voltage, line frequency, and power factor. Now you'll know if ... Details:1. Spec: 50HZ/230V2. Voltage meter range: 190-276V3. Current meter range: 0.01A-15A in the condition ... Equipment are Good. 2. The Maximum Load Power Meter Range is 3450W, But the Safe Load is ... Using are Very Dangerous, it’s hurt to the Meter & the Power Consumption Equipments.3. Don’t Overload ...