TOMZN HIKING DDS238-4 W TUYA SMART LIFE WI-FI + RS-485 IVAPT kWh SINGLE PHASE ENERGY METER
Key Highlights
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Voltage, Current and other Protection methods: Overvoltage, undervoltage, overload, and temperature protection (configurable via app)
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Adjustable Settings: Delayed recovery, event judgment time, protection thresholds all customizable in app
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Energy Measurement: Positive, negative, total active energy; total reactive energy; step-by-step display
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Real-Time Parameters: Voltage, current, active/reactive power, power factor, frequency
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Remote Control & Monitoring: ON/OFF control, prepayment management, alarm and event records via app
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History & Export: Hour/Day/Month/Year energy tracking; Excel export via email
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Smart Functions: Timing control, voice control, reset energy to zero, interval active power/temperature curves, energy cost & carbon emission tracking
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Solar & Bi-Directional Support: Measures imported/exported energy separately; RMS active power shows positive/negative values
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Connectivity: Wi-Fi and RS485 communication ports, no impulse out.
- CT: Leakage CT support
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Reliability: Measures energy even when offline; updates automatically when Wi-Fi reconnects; memory chip stores data during power off
Description
The WiFi IVAPT multi-function protective smart energy meter is designed to measure active energy in single-phase, two-wire AC systems and monitor variable electrical parameters. Equipped with an R5483 communication port, 2.4GHz Wi-Fi connectivity and many other features, the meter allows for remote reading and ON/OFF control via the dedicated app.
All functions comply with the technical requirements for Class 1 single-phase watt-hour meters according to IEC62053-21, and its data communication adheres to MODBUS RTU and Wi-Fi 802.11 b/g/n standards. Engineered for long service life, the meter offers high stability, strong overload capability, low power loss, and a compact design suitable for limited spaces.
The meter should be installed in a suitable environment, with ambient temperatures between -25°C and +70°C, relative humidity below 75%, and storage/operating temperature limits of -40°C to +70°C.
This product is manufactured in compliance with IEC62052-11 for general AC metering requirements and IEC62053-21 for static meters measuring active energy (Classes 1 and 2), ensuring high reliability and international standard conformity.








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