| Measured parameters | Total electrical measurement |
| Four-quadrant energy、Four - quadrant reactive electric energy、Split phase electricity、Apparent energy、Multi-rate energy |
| Pulse output | Total active power, total reactive power electrical energy pulse output（Reactive energy pulses and clock pulses are switchable, with clock pulses as the default.） |
| Demand | Three-phase current, active power, reactive power, apparent power real-time demand and maximum demand (including timestamp), last month's maximum demand (including timestamp). |
| Extreme value statistics | Current, line voltage, phase voltage, active power, reactive power and other electrical parameters extreme values of this month and last month (including time stamps) |
| Power quality | Unbalance of current, line voltage, phase voltage |
| Voltage phase angle, current phase angle |
| Total (odd, even) harmonic content of voltage and current |
| Harmonic content of voltage and current (2-63 times) |
| Voltage peak coefficient |
| Telephone waveform factor |
| Current K-factor |
| Vector |
| Voltage and current waveform |
| Fundamental voltage ,current and power factor |
| Voltage deviation, frequency deviation |
| Positive - sequence voltage, negative - sequence voltage, zero - sequence voltage |
| Positive - sequence current, negative - sequence current, zero - sequence current |
| Frozen electric energy | 24 - hour frozen electric energy, 31 - day frozen electric energy, December frozen electric energy, regular - time frozen electric energy |
| Event logging | DIDO records, which can record the last 128 DID records |
| Alarm logging | The last 128 alarm records can be recorded |
| Communication | Modbus - RTU protocol, DL/T 645-2007 statute |
| Optional features | 4-channel digital input and 2-channel digital output |
| 2 channels of analog output, 4-20mA |
| Expand the second RS485 communication channel with Modbus - RTU protocol |
| Expand Ethernet communication with the MODBUS-TCP protocol，FTP protocol |
