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DD706 single phase type meter is used to measure electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+55°C. The relative humidity should not exceed 95% and without the corrosive gas and salty spray in the air. It designed as per the technical of Osaki and Japan. Its dimension is specially designed for export.Structure:1. Case: base with terminal block completely, steel base or bakelite base, transparent glass cover or transparent PC cover, extended steel or PC terminal cover2. Bearing: magnetic bearing or double-jewel bearing3. Register: wheel type, five or six digitals, has the function of unidirectional, jumping, return to zero setting, low friction design4. frame: molded aluminum alloy5. Braking component: Al, Ni, Co double pole magnet, adjusting screw divides magnetic6. Driving component: set-in sheet type voltage steel core, steel yoke rivet type the voltage element and current element, slide resistance