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Lorawan Wireless Single Phase Smart Electric Energy Power Meter LCD Display IoT Insulation Corrosion Resistance
6. Active upload/two-way transparent transmission function: actively transmit data to the corresponding platform through LoRaWAN wireless network. The default interval is 4 hours(settable).
| Standards | IEC62053-21, IEC62052-11, DL/T645-2007 220 | 
| Current(A) | 5(60)A/0.25~0.5(60)A | 
| Pulse constant(imp/kWh) | 3200 | 
| Active measurement accuracy | Class B/1 | 
| Reactive measurement accuracy | Class 2 | 
| Frequency | 50Hz | 
| Power consumption | ≤1.5W | 
| Specified range | 0.9Un ~ 1.1Un | 
| Expansion range | 0.8Un ~ 1.15Un | 
| Limit range | 0.6Un ~ 1.2Un | 
| Specified temperature range | ≤±1s/d | 
| Reference temperature(23℃) | ≤±0.5s/d | 
| Active power(Class 1) | ≤0.004lb | 
| Reactive power(Class 2) | ≤0.005lb | 
| Specified working range | -25℃~+60℃ | 
| Operating limit range | -40℃~+70℃ | 
| Storage and transportation | -40℃~+70℃ | 
| Annual average relative humidity | < 75%RH | 
| Natural distribution within 30 days of a year | 95%RH | 
| Occurs occasionally in other days | 85%RH | 
| LoRaWAN frequency | CN470,RU864,IN865,EU868,US/AU915,KR920,AS923.1/2/3/4, Custom Channels | 
| No. | LCD figure | Meaning | 
| 1. | Character that can indicate that: Current, previous month, the previous twelve months cumulative total electricity consumption and electricity consumption at various rates. | |
| 2. | Data display and the corresponding unit symbol | |
| 3. | 1) In communication | |
| 4. | T1 T2 T3 T4 | Indicates current rate status (tip peak flat valley) | 
| 5. | ----ON ----OFF | ----ON is relay state on ----OFF is relay state off |