Product Details: Product Name: Holley DTZ545 smart meter three-phase four-wire Accuracy class: 0.5S level, 0.2S grade wiring system: three-phase four-wire voltage specifications: 3 * 220 / 380V, 3 * 57.7 / 100V current specifications: Transformer Access formula: 1.5 (6) A, 0.3 (1.2) A, 1 (2) A, 5 (6) A straight-through: 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A full view of the main features: high-performance three-phase smart meter metering chip, to achieve high-precision measurement of small currents, temperature, frequency variation small advantage, with stable performance, feature-rich, anti-interference ability characteristics, easy to operate, respect the self-test error correction, data security and electricity abnormal analysis designed to support adaptive DC auxiliary power supply. Its fully sealed structure and housing to meet harsh high and low alternating hot and humid environments. Battery box and seals can be separately programmed buttons, easy to manage the electricity sector. Partial view of the main features: 1, wide viewing angle, large-screen LCD display, with a wealth of state-aid information indicating characters; 2, dual RS-485, far infrared communication interface, independent of each other; 3, time-measurement positive active power, reverse active power, reactive power four-quadrant, support combined active and reactive power any combination of four quadrants; metering phase of the forward active, reverse active and reactive energy quadrant; 4, time-measurement positive active reverse active and reactive four-quadrant maximum demand and time of occurrence; 5, can store up to 13 months of history record energy and demand, consumption data to support up to three times a month settlement; 6, maximum 8 rates, primary and secondary two It sets the rate schedule, the clock dual backup automatic error correction; 7, dual backup data storage, automatic parameter correction; 8, can be set to record six categories of data load curve, the storage capacity of 2M bytes; 9, comprehensive event log types with tamper detection openings; 10, to record and store the voltage quality of statistical data 13 months; 11 rich self-test, error correction and alarm function; 12, can wake up the display buttons, hand-written after power outage It may be far-infrared meter reading; 13,10-level password protection, multiple password locked communication error, support the single-level password lockout; 14, AC / DC Adaptive auxiliary power supply, priority after power supply from the auxiliary power supply; 15 , the anomaly of the graphical power load curve and freeze data record consisting of multiple freeze frame data formed by the event record. Full image