YW2202 smart power meter is a smart meter suitable for 3 phase 4 line (balance or unbalanced), 3 phase 3 line (balance or unbalanced), 1 phase 3 line, single phase network, which can measure all electrical parameters of single phase and three phase power network, and has remote communication, remote control, electric energy pulse and analog output functions.
This manual describes the YW2202 intelligent electric tester, which can measure single‑phase and three‑phase electrical parameters. It outlines the main measurement functions such as phase currents, power, power factor, THD and energy values.
The document also details the physical dimensions, accuracy, power ratings, environmental limits, wiring connections, communication settings (Modbus RTU over RS‑485) and step‑by‑step operation procedures, including mode selection and data display. This manual is written in Chinese.
| Main unit dimensions | 96 mm × 96 mm × 61 mm |
|---|---|
| Current measurement range | 0.5 % (0.5‑6 A) |
| Voltage measurement range | 0‑400 V |
| Operating temperature | -15 °C to 55 °C |
Connect the CT short‑circuit with a 0.5 A fuse and follow the specified wiring diagram; ensure the CT circuit is properly grounded.