STS PREPAID ENERGY METER / DIN-RAIL ENERGY METER
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The meter is with advanced measuring chip with high reliable CPU, and manufactured with advanced SMT Process. The main features are:
- Bidirectional active energy measurement, reverse energy accumulated to positive energy.
- Measuring the total accumulative and remaining energy.
- Supports Monthly statement, Daily statement, and Load Profile
- Measure voltage, current, active power, reactive power, apparent power, power factor, grid frequency, temperature, battery voltage and other parameters.
- The LCD screen displays the current usage data.
- When the remaining value of the meter is zero, the relay close automatically. After recharging, the relay opens automatically.
- Supports wireless data transmission and remote recharge.
- Clock calibration.
- Using the STS encryption techniques and protocol to generate 20 digits cryptograph which can be used to charge energy, set key, clear tampering sign and so on.
- Multi-level remaining power, the meter will alarm when the remaining power is low.
- When tampering occurs, the meter is power on or power off.
- Switch off when the power is over the set value.
- Overdraft function.
- Credit mode and Currency mode can be switched.
- Multi-rate, Single-rate and the Step-rate can be switched.
- LED pulse light output.
- Design the meter according to IEC62052-11, IEC62053-21/31,62055-41, and IEC 62055-51.
- Complies with the quality management systems ISO9001 and ISO14000.
- High reliability and accuracy, easy to use.
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