Mini-Grid/Microgrid STS Standard keypad Prepaid TOU Tariffs Single
Phase Energy Meter
STE18-A is STS Standard compliant, keypad type, automatically
connection/disconnection prepaid electricity meter.Customer
purchases energy by the vending network to get a serial number
(TOKEN), and then use the keypad of meter to enter the TOKEN, which
contains 20 digits and is encrypted. The credit data will be
entered into the meter after the TOKEN being accepted.
This meter has excellent anti-tamper feature like terminal cover
open detection sensor to help utility for revenue protection. TOU
tariffs function can help operators to set different prices by
inputting corresponding Token or IR adaptor. It's convenient for
administrators to manage the users and the smart meters.
Main Features
- Ingress protection IP54 waterproof
- Up to 8 years battery life
- Remote connection/disconnection
- STS Standard
- Real-time clock
- Utilities can set TOU price into meter on request
- Anti-Tamper Magnetic field protection
- LORA-RF communication (optional)
- Pay 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
| Contact discharge | 8kV |
| Air discharge | 16kV |
| Electromagnetic RF Field | 27MHz-500MHz | 10V/m |
| 100KHz-1GHz | 30V/m |
| Fast transient burst test | 4kV |
| 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.
Two ways to recharge prepaid electricity meter
1. By Stronpay vending Software
➯ Via local sales point or handheld mobile vending unit
2. By the third party platform or local mobile payment with API
➪ Via mobile phone
API: Application Program Interface, which is the agreement
connecting the third party APP and our
Stronpay vending software.
The advantages to recharge with mobile payment:
✽ Users can top up electricity by mobile money without leaving the
house.
✽ Users could check information by their telephone.
✽ It helps utilities for Revenue protection and consumer
