Measurement Of % Ratio Error And Phase Angle Of Given Pt is an SSI India product in the Electrical Lab category. Key specifications include SKU: PPSP-881. TECHNICAL SPECIFICATIONS Meters: Voltmeter 300V Ammeter 5A Portable Wattmeter 250V,6A 1500W 2Nos. Power supplies: Power Supply 0-220-440V, 2A. Connections are brought out through 4mm