Double VoltmetersDouble Frequency MeterSpecification: 0-100V 0-300V 0-500V 1-5A Accuracy: Class 1.5Specification:50V 100V 220V 380VFrequency: 45~55Hz 45~65Hz 55~65HzHeat resistance: Case of non-combustible plastic material.Fastening: by means of nuts, absolutely safe, fast, robust, side-by-side.Mounting depth: Max 43mm.

panel meter