
• Measuring all parameters: three phase voltage, current, line voltage, active power, reactive power, apparent power, power factor, frequency, active energy, reactive energy
• Free Bluetooth Configuration App
• RS485, LoRa, 4G
• Modbus RTU, MQTT
•Keep working status up to 45s after power failure
•2 DI
Smart Three-Phase Wireless Electricity Meter DZS320
Heyuan DZS320 Smart Meter supports RS-485 Modbus RTU, LoRa, and 4G MQTT protocol for data transmission. This meter is ideal for three-phase energy monitoring in industrial and residential energy management systems, control systems, and SCADA systems in applications, offering precise and reliable performance.







Q1: where to download the Bluetooth App?
Q 2: What specifications should I consider when selecting compatible current transformers?
A:If there are 5A CTs on site, the recommended version is DZS320-5A; For renovation projects, if there are 5A transformers on site but it is inconvenient to install meters due to power outage, the recommended version is DZS320-K1.25mA with 5A/1.25mA CTs, the CTs can be installed in the secondary side of the 5A CTs; If there is no CTs on site and the current value is less than 100A , the recommended version is DZS320-1.25mA with 5A/1.25mA CTs(the measuring range is 0-100A) If there is no CTs on site and the current value exceeds 100A , the recommended version is DZS320-100mA with 100mA CTs(we can supply the split core type CTs 100A~3000A)
Q 3: Do you accept OEM with our logo printing and packaging?
A: Absolutely! For bulk orders,our team can assist you in incorporating your unique branding into the products.
Q 4: What is the shipping time for orders?
A:1-3 days for sample order, for bulk orders of 100 units or more, we can dispatch within 2 -3 weeks.
Q 5: What after-sales services are included when purchasing energy meters?
A:We can provide 24-hour online installation guidance, troubleshooting assistance, and a 10-year warranty (excluding human factors).
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