LoRaWAN Single-Phase Load Identification Smart Prepaid Energy Meter LCD Screen Real-time Monitor
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 2) Reverse power indication 3) ① ② represents periods sets 1 and 2 4) Undervoltage indication of the battery or supercapacitor voltage 5) Allow the programming status indication 6) Three times of password verification error indication | |
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 |
Ammeters must be transported and stored under the original packaging conditions. Products shall not be severely impacted during transportation and unpacking, and shall be transported and stored according to GB / T 25480-2010 Basic Environmental Conditions for Instrument Transportation and Storage and Test Methods as stipulated in 2010. The products should be stored in the warehouse and placed on the platform frame. The stacking height shall not exceed five layers. No corrosive gases shall be present in the stored environment.
If the user complies with the transportation, storage and installation operation specifications, and the lead seal of the manufacturer is still complete.If there is a quality problem, our company is responsible for free repair or replacement within 18 months from the date of delivery the electricity meter.
During the whole life cycle of the products, our company implements "three guarantees" for all electricity meter products, providing necessary maintenance and services. Providing equipment wiring diagram and necessary technical documents and drawings. According to the requirements of users, provide necessary training for maintenance personnel and operators. Providing training materials, and update the software regularly and provide free upgrade.
After receiving the service request of the product user, our company will respond within 12 hours.