STS Prepaid Energy Meter (DDSY1088)

Specifications STS Prepaid Energy Meter (DDSY1088)

1. STS prepaid meter

2. Single Phase

3. Slipt Type is optional

  STS Prepaid Energy Meter  (DDSY1088)     1. Features:
1) Bidirectional active energy measurement, reverse energy accumulated to positive energy.
2) Measuring the total accumulative and balance.
3) Using STS encryption techniques and protocol certified by STS commitment.
4) Can be used to charge energy, set key, clear tampering sign and so on.
5) Multi-level remaining power, the meter will alarm when the remaining power is low.
6) Credit overflow limit: If the credit amount transferred plus remaining credit more than credit
7) stock limit, then the credit amount transferred will be refused, but the Credit amount transfer token is still valid.
8) Alarm: When remaining credit crosses the minimum credit (5.00kWh, 2.0kWh, 0.5kWh), the warning LED glitter, LCD also indicates the warning symbol to remind user to purchase credit.
9) Open upper cover and terminal cover detection whether the meter is power on or off.
10) Design the meter according to IEC 62055-41, IEC62055-31, and IEC 62055-51.
11) The meter will automatically switch off when the remaining power was used out.
2. Technical specification
Accuracy: 1.0
Rated voltage (Un): 230V
Rated Current: 5(60) A
Pulse: 1600imp/kWh
Frequency: 50Hz
Staring current: 0.004In
Weight: 0.8kg      

Normal working voltage	0.8Un~1.1Un
Limited working voltage	0.7Un~1.2Un
Voltage circuit energy consumption	<=1.2W and 5VA
Current circuit energy consumption	<1VA

Climate Condition

Normal working temperature	-20C~+50C
Limited working temperature	-30C~+60C
Store and transportation temperature	-40C~+70C
Store and working humidity	≤ 85%