STE38-S STS Split Three Phase Prepaid Electricity Meter with CIU

With a specialized and high performance three phase measurement feature, STE38-S is composed of a Three phase prepaid electricity meter and the split keypad CIU(Customer Interface Unit) that provide a keypad for remote recharging and information checking which is the core competitiveness, advanced and easy to use . The communication between meter and CIU is Lora-RF which is effective and cost-friendly, the communication range is about 1km.

The CIU shares the same function as the keyboard on the meter itself, users can input 20 digits TOKEN for recharging or information checking. Various information can be toggled by input different combination of figures. Users can easily retrieve metering data such as daily usage, monthly usage, present current and voltage, balance, and last five entered tokens.

The meter can also be integrated with African local mobile money for prepayment, like M-pesa, MTN, Airtel through API(Application Programming Interface), which is the agreement connecting the third party APP and our Stronpay vending software. In this way, users can top up electricity credit by mobile money without leaving the house and could check information by their telephone at hand with internet accessibility.

Technical Parameters

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

Basic Functionality

Function

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 the LCD screen 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.

Founded in 2007, Hunan Stron Smart Co., Ltd is the leading supplier of smart meters in China. There are 500 employees in our company including 100 technical engineers, and 100 people with professional title. We are devoting ourselves to be the intelligent product service provider.

In China, we have more than 10 million meters running in State Grid of China, which is the biggest utility in the world. All these meters are performing very well. Our production capacity is 8million smart meters per year. And a workshop only working for overseas’ order to guarantee the delivery time and quality control.

Stron owns a strong technical team comprised of industry professional engineers and eminent experts and has applied for over 100 patents and intellectual property rights, and a number of its products and technologies have won the national, provincial and municipal awards.