1. power meter for voltage and current 2, LED display 3. Measure ... Support RS485 5.,,MOQ 1 AI-601 High Performance power meter ammeter Current MeterMain Features:Equipped with alternative voltage and alternative ... stability and reliability.ISO9001 and CE certified, achieving world class level of quality, anti-interferenceability and safety. Specification: ModuleModule DescriptionsMIOOUTPALMAUXCOMMNno ...