LoRaWAN Three-phase Wireless Energy Meter for Advanced Energy Real-time Monitoring and Remote Control
| Qualification | Three-phase direct meter | Three-phase CT meter | 
| Standards | IEC62053-21, DL/T645-2007 | |
| Rated voltage | 3×220/380V | 3×220/380V | 
| Operating voltage range | 80%-115% | 80%-115% | 
| Rated flow limit Ib | 5A | 1.5A | 
| Maximum current: Imax | 100A | 6A | 
| Starting current | 0.4% Ib | 0.2% Ib | 
| Power consumption | Non communication state≤1.5W , In communication state≤3W | |
| Power grid frequency | 50Hz | 50Hz | 
| Frequency range | ±2% | ±2% | 
| Active measurement accuracy | Class 1/B | Class 0.5, S/C | 
| Reactive measurement accuracy | Class 2 | Class 2 | 
| Active pulse constant | 400(imp/kWh) | 3200(imp/kWh) | 
| Reactive pulse constant | 400(imp/kWh) | 3200(imp/kWh) | 
| Clock precision | ±0.5S/d(23℃) | ±0.5S/d(23℃) | 
| Normal operating temperature range | -40° C ~ +70° C | -40° C ~ +70° C | 
| Extreme operating temperature range | -40° C ~ +70° C | -40° C ~ +70° C | 
| Transportation and storage temperature range | -40° C ~ +70° C | -40° C ~ +70° C | 
| Power dissipation | <1.5W ,10VA | <1.5W ,10VA | 
| The time that the blackout clock preserves | >24h | >24h | 
| The RS485 Interface |  			 The Default is 2400bps. 1200bps,2400bps,4800bps and 9600bps were available  |  		|
| LoRaWAN frequency |  			 CN470,RU864,IN865,EU868,US/AU915,KR920,AS923_1/2/3/4, Custom Channels  |  		|
| No. | LCD figure | explain | 
|  			 1  |  			 			 PREMON POS NEG ∑ T1 T2 T3 T4  |  			Current and last month, forward and reverse, cumulative total electricity consumption and each rate | 
| 2 |  			 A B C  |  			ABC three-phase state, electric energy, instantaneous amount indication | 
| 3 |  			 DEMAND  |  			Maximum monthly demand | 
| 4 |  			 REMAIN  |  			Overdraw and residual status indication | 
| 5 | Network status indicator (none) | |
| 6 |  			 8888:8.8:8.8 cos Φ kvarh kW kWh V A  |  			Data display and the corresponding unit symbol | 
| 7 | Represents periods sets 1 and 2 | |
| 8 | Indicates current rate status (peak valley) | |
| 9 | Insufficient voltage indicator of Battery or supercapacitor | |
| 10 | Three-phase voltage or current out- of-phase indicator | 
LCD full screen display 0.08kWh 0.0396kW