Eastron specializes in high-precision electrical measurement instruments, including smart DIN rail energy meters and power monitoring solutions for residential and industrial use.
Еастрон (Zhejiang Eastron Electronic Co., Ltd.) is a high-tech manufacturer dedicated to the research, development, and production of electrical measurement instruments and energy management systems. Renowned for their reliability and accuracy, Eastron's product portfolio centers on advanced metering solutions such as the SDM and PRO series of DIN rail energy meters, panel meters, and current transformers. These devices are integral components in modern energy efficiency set-ups, widely used in solar PV installations, electric vehicle (EV) charging stations, and smart building management systems.
With a strong focus on connectivity, Eastron meters frequently feature Modbus RS485, M-Bus, and Wi-Fi capabilities, allowing for seamless integration into wider monitoring networks. The company serves a global market, providing tools that help users track energy consumption, monitor power quality, and optimize efficiency across residential, commercial, and industrial applications.
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For most Eastron SDM series meters (like the SDM630), the default password to enter the setup menu is '1000'.
On compatible models, enter the setup menu using the password. Scroll to the 'CLR' (clear) function or specific reset command found in the menu to reset maximum demand values for current and power.
Standard SDM630 models are often direct connect (up to 100A) and do not require external CTs. However, specific variants like the SDM630MCT are designed to be operated with 40mA or 5A secondary current transformers. Checking the specific model label is essential.
Most smart Eastron meters come equipped with RS485 Modbus or M-Bus communication ports. By connecting these terminals to a compatible data logger, gateway, or computer interface, you can read voltage, current, power, and energy data remotely.