STE18-B is an STS Standard compliant, keypad type, automatically connection or disconnection prepaid smart electricity meter. It can be top up with Stronpay vending software directly and communicate with AMI system via LoRa-RF module.
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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