Stron Smart STS Monophase GPRS communication keypad electricity meter
STE18-g is used in various intelligent metering applications. It combines the latest 3DES security encryption technology and modular communication unit. The meter allows a base current of 5 amperes while retaining a maximum current of 80 amperes and extended AMR / AMI features. It is a compact design in a bs8565 standard housing, and maintains robust RF immunity to withstand 30V / M and IP54 rating, making it able to work in harsh environments.
The instrument works with a plug-in module for DLMS / COSEM compatible data acquisition and network communication. This modular design enables utility companies to choose from PLC / RF / GPRS / 3G and 4G LTE cellular data networks at low cost according to local conditions. Upgrades and maintenance will also become cost-effective, replacing only the module, not the entire instrument.
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
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 |
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Stron STS Standard Prepaid Keypad Mono-Phase Electricity Measurement Meter Images
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