Eastron SDM120Modbus User Manual
Jiaxing Eastron Electronic Instruments Co.,Ltd.
Tel: 0086-573-83698881
83698882Fax: 0086-573-83698883
Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China.
Web:
www.eastron.com.cn
email:
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 RS485 communication port for remote reading and monitoring. Bi-directional energy
measurement makes the unit a good choice for solar PV energy metering. The compact design and din rail
installation provides a easy and economical solution for your metering demand.
General Specifications
Voltage AC (Un)
230V
Voltage Range
176~276V AC
Base Current (Ib)
5A
Max. Current (Imax)
45A
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
99999.9kWh
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