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| Type: |
DDSF51D Single Phase Static Multi-rate Energy
Meter |
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| Accuracy: |
1.0,2.0 |
| Power
loss: |
≤2W/5VA |
| Nominal
voltage: |
220V |
| Nominal
current: |
5(20)A,5(30)A,10(40)A,10(50)A,15(60)A,20(80)A |
| Frequency: |
50Hz |
| others: |
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| Update: |
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| Description: |
1. Functions and Features
1) Measurement Function
a. Positive/negative active energy consumption measurement(
negative active energy consumption will be counted into positive
active energy consumption)
2) Real-time Measurement Function
a. Instantaneous active energy consumption measurement
3) Multi-rate Function
a. 4 tariffs, 10 time segments, 2 time zones
4) Communication Function
a. Meter reading and setting can be achieved via RS485(1200~9600bps) or
infrared port
b. RS485 port electric insulation, lightning proof circuit design
c. Communication protocol: DL/T645-1997 Communication Protocol
for multi-function meter
5) Output Port
a. Active/reactive test impulse output port
b. RTC second output port
6) Display:LED
7) Other Functions
a. Malfunction display function
2. Technical Characteristic
Accuracy:CL1.0 (active)/2.0(reactive)
Reliability:Special measurement chip adopted with high reliability
Stability:No calibration needed during long working period
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