Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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STS Prepaid Keypad Single Phase Electricity Meter
STE18-A is an STS Standard compliant, keypad type, automatically connection or disconnection single phase prepaid electricity meter.
This kind of electricity meter is single phase prepaid electricity meter. Single-phase electricity meter has the characteristics of high accuracy, accurate measurement, low maintenance workload, high work efficiency, low requirements for transportation and installation conditions, low power consumption, energy saving, good for reducing line loss, strong anti-power theft function, strong overload ability, low failure rate.
Single phase prepaid electricity meter is suitable for the statistics and internal accounting of electric energy consumption of different production lines or loads in industrial buildings.
Main Features
20 digit (Standard Transfer Specification) STS encryption
Detection of significant reverse energy (SRE)
IEC62056-21 compliant port allowing for easy data interrogation
Disconnects on overload and no credit
Dual power source working on both prepaid and credit mode
Programmable load limit and low credit warning
Detection and record tamper event such as cover open, reversal, black-out, etc.
Easy access to 12 months historical consumption data and last 5 token entered
User Benefit
Easy connection to User Interface Unit (UIU) for split type applications
PLC/ RF / GPRS wireless communication with a head-end AMR/AMI server
Time of Use (TOU), multi-tariff, holiday setting.
Advanced load control and disconnection features
Features
Key benefits
Meter Recharge: By inputting 20 digits Token.
Low Credit Alarm: Alarm value can be set by inputting corresponding TOKEN.
TOU tariff: Meters can be set Step Tariff by inputting corresponding TOKEN. Utilities can set step price on request.
Anti-Tamper Functions: Meter will automatically shut off after detection of terminal cover open event.
Information Inquiry: Consumer could check the data like Credit Remain, Total Purchased and Total Credit by input the short code.
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 Dimensions
