Eastron SDM220Modbus User Manual
Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883
Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastron.com.cn
Application
The energy-meters “with a blue back-lighted LCD screen for prefect reading” are used to measure single-phase like
residential, Utility and Industrial application. The unit measures and displays various important electrical
parameters, and provide a communication port for remote reading and monitoring. Bi-directional energy
measurement makes the unit a good choice for solar PV energy metering.
PART 1 Specification
General Specifications
Voltage AC (Un) 230V
Voltage Range 176~276V AC
Base Current (Ib) 5A
Max. Current (Imax) 100A
Mini Current (Imin) 0.25A
Starting current 0.4% of Ib
Power consumption <2W/10VA
Frequency 50/60Hz(±10%)
AC voltage withstand 4KV for 1 minute
Impulse voltage withstand 6KV-1.2uS wavform
Overcurrent withstand 30Imax for 0.01s
Pulse output rate 1000imp/kWh (default)
100/10/1 imp/kWh/kVarh (configurable)
Display LCD with blue backlit
Max. Reading 99999.99kWh
Accuracy
Voltage 0.5% of range maximum
Current 0.5% of nominal
Frequency 0.2% of mid-frequency
Power factor 1% of Unity
Active power 1% of range maximum
Reactive power 1% of range maximum
Apparent power 1% of range maximum
Active energy Class 1 IEC62053-21
Class B EN50470-3
Reactive energy 1% of range maximum
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