Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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function
Prepayment: STS standard, input 20 tokens to recharge
Low credit alarm: the alarm value can be set by inputting the corresponding token
Switch between prepayment and post payment: the meter can switch to prepayment mode or post payment mode
Load control function: if the current power exceeds the threshold, the instrument can program the load control threshold. The meter will cut off the user's load.
Event recording: the meter can record tampering events, cover opening events, purchase events and tokens.
Self check: the instrument has self check function, which can test LCD and relay, and report the result directly
Tamper proof: when the magnetic field is detected and the cover is opened, the instrument will automatically close the valve
Time of use electricity price: the time of use electricity price can be set by inputting the corresponding token
Overdraft collection: Electric overdraft can be collected day by day or monthly
Communication: the instrument can be connected with AMI system through Lora RF or Bluetooth 4.0 as required
Information query: consumers can query credit balance, total purchase amount, total credit and other data by entering short code.
| Electrical Parameters | ||
| Nominal Voltage | 3×230V | |
| Working Voltage Range | 70%~120%Un | |
| Nominal Frequency | 50-60Hz | |
| Basic Current (Ib) | 10A | |
| Maximum Current (Imax) | 100A | |
| Starting Current (Ist) | 30mA | |
| Active Energy Constant | 400imp/kWh | |
| Active Energy Accuracy | Class 1.0 | |
| Reactive Energy Accuracy | Class 2.0 | |
| Power Consumption in Voltage Circuit | <2W <8VA | |
| Power Consumption in Current Circuit | <1VA | |
| Operation Temperature Range | -25℃-70℃ | |
| Storage Temperature Range | -40℃-85℃ | |
| Electro Magnetic Compatibility | ||
| AC Insulation Strength | 4kV at 50Hz during 1min | |
| Impulse voltage 1.2/50 us mains connections | 8kV | |
| Electrostatic Discharges
| Contact discharge | 8kV |
| Air discharge | 16kV | |
| Electromagnetic RF Field | 27MHz-500MHz | 10V/m |
| 100KHz-1GHz | 30V/m | |
| Fast transient burst test | 4kV | |
| Mechanical requirements | ||
| Meter shell Water proof protection Rate | IP54 | |
| Protection | Class II | |
Split Type Three Phase Prepaid Energy Meters IEC standard STS compliance
