Energy Meter & Current Transformer
Single Phase Multi-function Energy Meter Eastron SDM120CTM
- Multi-measurement: kWh,W, V, A, PF, Hz, dmd,etc.
- LCD with backlit
- 2 Pulse Output +Modbus
- Bi-directional Measurement
- CT operated
- 1 Module 18mm Width
- MID approved
- 1P2W
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Electrical Characteristics |
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Type of Measurement |
RMS on single phase AC system (1P+N) |
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Measurement Accuracy |
Power |
1% of range maximum |
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Active Energy |
IEC 62053-21 Class 1.0/ EN50470-1/3 Class B |
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Reactive Energy |
IEC62053-23 Class 2, IEC 61557-12 Class 2 |
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Frequency |
0.2% of mid-frequency |
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Current |
0.5% of range maximum |
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Voltage |
0.5% of range maximum |
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Power Factor |
1% of unity (0.01) |
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Input & Output |
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Input |
Current |
CT Primary |
1-9999A |
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CT Secondary |
1A/5A |
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Min Current |
0.25A |
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Starting Current |
10mA |
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Voltage |
Rated Voltage (Un) |
230V |
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Operational Voltage |
80%~120% of Un |
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Output |
SDM120CTP |
2 Pulse Output for imp/exp. energy |
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SDM120CTM |
2 Pulse Output + RS485 Modbus |
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SDM120CTMB |
2 Pulse Output + M-bus EN13757-3 |
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Modbus Communications |
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Interface Standard and Protocol |
RS485 and MODBUS RTU |
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Communication Address |
1~247 |
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Transmission Distance |
1000m Maximum |
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Baud Rate |
1200bps~9600bps |
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Parity |
None (default), Odd, Even |
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Stop Bits |
1 or 2 |
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Response Time |
<100 mS |
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M-Bus EN13757-3 Communications |
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Communication Address |
1~250 |
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Transmission Distance |
1000m Maximum |
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Transmission Speed |
300bps~9600bps |
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Parity |
None (default), Odd, Even |
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Stop Bits |
1 or 2 |
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Response Time |
<100 mS |
