| Display | Display method | Dot matrix liquid crystal; Switch between Chinese and English |
| Resolution | 128*128 |
| Backlight | White LED; |
| Visible area | 72 Shape: 38mm*46mm (1.78"/2.3"); 96 Shape: 56mm*60mm (2.46"/3.2"); |
| Signal | Electrical network | Three-phase three-wire, three-phase four-wire, see the wiring diagram; |
| Frequency | 45～65Hz； |
| Voltage | Rating: AC 3*57.7/100V, AC 3*63.5/110V, AC 3*230/400V, AC 3*400/690V (96 Shape only); |
| Overload: 1.2 times the rating (continuous); 2x rating/1 second; |
| Power consumption: < 0.5VA(Every way)； |
| Current | Ratings: AC 3x 1 (1.2) A, AC 3x5(6)A; |
| Overload: 1.2 times the rating (continuous); 10x rating/1 second; |
| Power consumption: < 0.5VA(Every way)； |
| Measurement accuracy | Voltage, current | IEC 61557-12 0.2% |
| Voltage harmonics, current harmonics | IEC 61557-12 1% |
| Frequency | IEC 61557-12 ±0.02Hz |
| Active power | IEC 61557-12 0.5% |
| Reactive power | IEC 61557-12 1% |
| Active electrical energy | 0.5S class GB/T 17215.321-2008 C class GB/T 17215.321-2021 (0.2S accuracy when S is selected) 0.2S class GB/T 17215.321-2008 D class GB/T 17215.321-2021 |
| Reactive power | IEC 62053-24 Class 1 |
| Power quality (only available when S is selected). | Waves recording | 20 waveforms, 10 waves before and after; |
| Waveform capture | 128 cycle points are stored per waveform; |
| Switch input | Dry contact input, built-in power supply; Response time: less than 300ms |
| Relay output | Contact type: normally open contact; Contact capacity: AC 250V/3A DC 30V/3A; |
| Energy pulse output | Output mode: photocoupler pulse with open collector; Pulse constant: 10000imp/kWh (default); |
| Communication | RS485 interface/Modbus-RTU protocol and DLT645 protocol; RJ45 interface (Ethernet)/Modbus-TCP protocol; Wireless interface |
| Power supply | Working range: AC 85V~265V; DC100V～350V Power consumption: power consumption≤15VA; |
| Safety | Power frequency withstand voltage | The power frequency withstand voltage between the housing and the auxiliary power supply, each input and output terminal group is AC 4kV/1min; The power frequency withstand voltage between the auxiliary power supply and each input terminal and each output terminal group is AC 2kV/1min; The power frequency withstand voltage between the voltage input and other input and output terminal blocks is AC 2kV/1min; The power frequency withstand voltage between the current input and other input and output terminal blocks is AC 2kV/1min; The power frequency withstand voltage between the relay output and other input and output terminal blocks is AC 2kV/1min; The power frequency withstand voltage between the terminal groups of switching input, communication, analog output and pulse output is AC 1kV/1min; |
| Insulation resistance | Inputs、outputs to the shell>100MΩ； |
| Electromagnetic compatibility | Complies with IEC 61000 standard (Level 4); |
| Environment | Operating temperature：-25℃～+70℃；Storage temperature：-40℃～+85℃； Relative humidity：≤95% without condensation；Altitude：≤2500m； |
| Protection Level | Display panel IP54; (Optionally IP65). |
| Standards | IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-30 | Environmental Testing-Part 2-1:Tests Test A:Cold IDA Environmental Testing Part 2-2:Tests Test B:Dry heat Environmental Testing Part 2-30:Tests Test Db:Damp heat，cyclic (12+12h) |
| IEC 61000-4 | Electromagnetic compatibility-Testing and measurement techniques |
| IEC 61557-12 | Electrical safety in low voltage distribution systems up to 1 000V a.c. and 1 500V d.c –Equipment for testing， measuring or monitoring of protective measures — Part12：Performances measuring and monitoring devices(PMD) |
| IEC 62053-22 | Electricity metering equipment (a.c.)-Particular requirements - Part22:Static meter for active energy(class 0.2S and 0.5S) |
| IEC 62053-24 | Electricity metering equipment (a.c.)-Particular requirements - Part24:Static meter for reactive energy at fundamental frequency (classes 0.5S 1S and 1) |
