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Tomzn Dds238 LCD Reverse Active Energy Meter 220V1
Meter for ElectricityDds238 Bd Energy MeterBi-Directional Reverse Active Meter
Zhejiang Tongzheng Electric Co., Ltd.
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Product DescriptionPlease enter the title here### Product Introduction The single-phase two-wire AC energy meter is engineered for precise measurement of active energy consumption in residential utility and industrial applications It is built for long-term reliability offering high stability and exceptional overload capacity while maintaining low power loss and a compact design This meter ensures accurate energy tracking with durable performance making it an ideal solution for diverse electrical monitoring needs ### Basic Function The meter features a clear LCD display with six digits plus one decimal for easy reading It supports bidirectional total active energy measurement including reverse active energy which is automatically recorded in the total consumption For LCD models energy data is securely stored in a memory chip retaining information for over 15 years even without power A power-on LED provides operational status while a reverse LED alerts to any incorrect wiring The pulse LED indicates meter activity and a passive pulse output with optical coupling ensures safe signal transmission Installation is flexible with a 35mm DIN rail or wall-mounted option for versatile setup ### Technical Data Operating at a rated voltage of 220-240V AC with a range of 08 to 12 times the nominal voltage it handles currents up to 100A with a base rating of 5A The meter works at 50Hz or 60Hz with a tolerance of ±10 and connects directly to the circuit It achieves 1 accuracy class with minimal power consumption under 2W or 10VA The starting current is as low as 20mA ensuring sensitivity to small loads It withstands 2000V AC for 60 seconds with a 25mA limit and has an IP20 rating for indoor use Compliance with IEC62053-21 guarantees precision and the operating temperature range spans from -25℃ to 55℃ The pulse LED provides an 80±5ms output for reliable energy monitoring
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