Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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LORA-RF Split Keypad STS Standard Anti-Tamper Function Prepaid Single Phase Smart Electricity Meter With CIU
Compliance with Standard
STE18-S is STS Standard compliant prepaid split keypad single phase electricity meter with a customer interface unit(CIU). It has ingress protection IP54 waterproof and up to 8 years battery life to show the real-time clock. This meter has excellent anti-tamper feature like terminal cover open detection sensor to help utility for revenue protection.
The meter and CIU have a LORA-RF module inside, they can communicate with each other with this module, so people can input the recharge Token when the meter is installed in a highly place. This meter also can communicate with AMI system via LORA-RF module, we can read,control,recharge the meter remotely.
Main Features
①Ingress protection IP54 waterproof
②Up to 8 years battery life
③Remote connection/disconnection
④STS Standard
⑤Real-time clock
⑥Utilities can set TOU price into meter on request
⑦Anti-Tamper Magnetic field protection
⑧LORA-RF communication (optional)
⑨Pay by mobile payment including M-PESA, Alipay, MTN, Airtel, etc.
Electrical Parameters
➯Nominal Voltage: 230V
➯Working Voltage Range: 70%~120%Un
➯Nominal Frequency: 50-60Hz
➯Basic Current (Ib): 5A
➯Maximum Current (Imax): 80A
➯Starting Current (Ist): 20mA
➯Active Energy Constant: 1000imp/kWh
➯Measurement Accuracy: Class 1.0
➯Power Consumption in Voltage Circuit: <2W <8VA
➯Power Consumption in Current Circuit: <1VA
➯Operation Temperature Range: -25℃-70℃
➯Storage Temperature Range: -40℃-85℃
Electric Magnetic Compatibility
➯AC Insulation Strength: 4kV at 50Hz during 1min
➯Impulse voltage 1.2/50 us mains connections: 8kV
➯Electrostatic Discharges:
a. Contact discharge: 8kV
b. Air discharge: 16kV
➯Electromagnetic RF Field:
a. 27MHz-500MHz: 10V/m
b. 100KHz-1GHz: 30V/m
➯Fast transient burst test: 4kV
➯Protection: Class II
Basic Functionality:
| Function | Details |
| Prepayment | STS Standard, recharge by input 20digits TOKEN |
| Low credit alarm | Alarm value can be set by inputting corresponding TOKEN |
| Prepaid and post-paid switch | Meter can be switch to prepaid mode or post-paid mode |
| Load control function | Meter can be programmed for load control threshold, If the current power is more than threshold. The meter will cut off user load. |
| Event recording | Meter can record the tamper event, open cover event, purchase event and TOKENS. |
| Self-testing | Meter has a self-test function, it can test LCD and relay etc. and report the results directly |
| Anti-tamper | Meter will automatically close the valve after detection of magnetic field and open cover event |
| TOU Tariff | TOU Tariff can be set by inputting corresponding TOKEN |
| Overdraft Collection | Electricity Overdraft can be collected day by day or month by month |
| Communication | The meter is available with AMI system through LORA RF or Bluetooth 4.0 on request |
| Information Inquiry | Consumer could check the data like Credit Remain, Total Purchased and Total Credit by input the short code |
Meter Dimension
Vending Process
☀ Login the web-based vending website by inputting the user name, company name and password.
☀ Register the meter number and customer information at the library center.
☀ Set the price for different customers
☀ Open an account to combine the meter,customer and price information
☀ Get the Token at the Top up center.
☀ Input the Token with keypad.
☀ Recharging completely.