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* Mã sản phẩm : DM38-240A

I.Features
LCD display with back lighting
Modbus-RTU communication
DIN rail type
Measurement Parameters :
• Phase Voltage ( L-N )
• Line Voltage ( L-L )
• Phase Current
• Bidirectional kW (per phase & total)
• Bidirectional kVAR (per phase & total)
• Bidirectional kVA (per phase & total)
• Frequency
• Power Factor (per phase & total)
• Energy (+ and – ) for kWh, kVARh and kVAh
• THD Phase Voltage ( L-N )
• THD Phase Current
II.Technical Data
1.Display type
LCD display
2.Measurements
3-phase 4-wire system
3.Current measurement (TRMS)
CT primary : 5 ~ 8000 A
CT secondary : 5 A
Minimum measurement : 10 mA
Accuracy : 0.5% from 1A to
6 A (secondary)
Burden : < 0.03 VA at 5 A
Sustained overload : 6 A
4.Voltage measurement (TRMS)
Nominal phase voltage : 70 ~ 300 V AC
Minimum measurement : 10 V
Accuracy : 0.5% at full scale
5.Power measurement
Real power, apparent power, reactive power measurement
Measuring updating period : 1 s  Accuracy : 1.0%
Power factor measurement
Total and displacement power factor Accuracy : 1.0%
6.Frequency measurement
Measurement range : 45 ~ 65 Hz
Measurement updating period : 1s
Accuracy : 0.5%
7.Energy accuracy
Active (according to IEC 62053-21) : class 1
Reactive (according to IEC 62053-23) : class 2
8.POWER SUPPLY
Self supplied : 100 ~ 240 V AC
Frequency : 50 / 60 Hz
Power consumption : <3 VA
9.Communication
Hardware interface : Isolated RS485
Protocol : Modbus-RTU
Baud rate : 2400, 4800, 9600,
19200, 38400
10.ENVIRONMENTAL CONDITIONS
Operating temperature : -10˚C ~ +55˚C
Storage temperature : -20˚C ~ +70˚C
Humidity : 0 – 95%,
non condensing
11.MECHANICAL
Mounting : DIN rail
Dimension (mm) : 65(w) x 85(h) x 50(d)
Approximate weight : 0.3 kg