Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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Remotely Controlled STS Standard Split Keypad Type Residential Smart Three Phase Electric Meter
This prepaid smart three phase energy meter provides integrated/split solution for kWh measurement and prepayment. It is suitable for residential, commercial and light industrial environments. Credit and management data is transferred from a sales point to the meter via a 20-digits Token which is generated using the Standard Transfer Specification (STS) encryption protocol and entered into meter via a keypad.
The meter (integrated) or CIU (split) can be installed inside the home making it accessible for the consumer to enter in a credit token.
| 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 | |
Meter Dimension
Function:
1. Basic functions:
✽ Meter Recharge By Inputting TOKEN
✽ Active energy measurement
✽ MD(maximum demand measurement)
✽ Auto scroll mode display
✽ Build-in relay control
✽ Event log
✽ Low Credit Alarm
2. TOU Tariff: Meters can be set TOU Tariff by inputting corresponding TOKEN. Utilities can set step price on request.
E.g. Step 1: 00:00-07:00 Price1: $1/Kwh
Step 2: 07:00-17:30 Price2: $1.5/Kwh
Step 3: 17:30-24:00 Price3: $1/Kwh
3. Anti-Tamper Functions: Meter will automatically close the valve after detection of magnetic field and open cover event.
4. Overdraft Collection:Electricity Overdraft can be collected day by day or month by month.
5. Information Inquiry: Consumer could check the data like Credit Remain, Total Purchased and Total Credit by inputting the short code.
Liquid Crystal Display
➪ Recharge remotely via DCU and LORA-RF or PLC module