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Evaluation and Analysis Report on AC Meter Current Sensor Technology - Zhejiang Institute of Metrology
DTZY2371-Z Three-Phase Four-Wire Fee-Controlled Intelligent Electricity Meter - New Product and New Technology Appraisal and Acceptance Certificate
Three-phase fee-controlled intelligent electricity meter Zhejiang Province Measurement Instrument Type Evaluation Report
Three-phase four-wire intelligent energy meter with cost control - Metrology Institute test report
Novelty Report on Tunnel Magnetoresistance Current Sensor Electric Energy Meter
Scientific and Technological Novelty Search Report
Three-phase four-wire intelligent energy meter with cost control - Detection report from the Electric Power Research Institute
Metering instrument type approval certificate