Function
1.3 Function List
1.4 Measurement Parameter Range
Indirect Measurement Range
Measurement
Parameter
Accuraccy
2.0V
~
500KV
Voltage
0.2%
0.02A
~
6000A
Current
0.2%
1W
~
100MW (negative consistent)
Active Power
0.5%
1var
~
1000Mvar ( negative consistent)
Reactive Power
0.5%
1VA
~
100MVA
Apparent power
0.5%
-1.000
~
1.000
Power Factor
0.5%
30Hz
~
500Hz
Frequency
0.2%
0
~
999999.99kWh(note)
Active Energy
0.5%
0
~
999999.99kvarh (note)
Reactive Energy
Note: Energy metering is a secondary-side value. Please multiply the PT and CT values when you measure the electric energy.
2%
Real-time
measurement
3 phase voltage
Grid frequency
3 phase current
Zero phase current
3 phase active power
3 phase reactive power
3 phase apparent power
3 phase power factor
Positive sequence, negative sequence, zero sequence
Active Power
4-quadrant reactive power
Total Harmonic
32 times voltage harmonic rate
32 times current harmonic rate
4 rates, 12 period measurement
Active Power, Reactive Power and Maximum demand record
With a real-time clock that can be timed
Maximum of voltage and current
Unbalance of voltage and current
Undervoltage, overvoltage, undercurrent, overcurrent
Alarm Action
Programming parameters
Clear energy, demand, etc.
1 lopp active power, 1 loop reactive power
2
1
4
1 lopp 4
~
20mA transmission output
Passive dry contact
Energy Metering
Power Quality
Multi-rate
Demand
Clock
Record
Energy Pulse
Transmission Output
2
Alarm Output
Communication
AC250V/5A Remote control/ alarm
RS485: support MODBUS-RTU/DLT645-2007
Big size segment LCD display
Hole Size
Dimensions
2
1
92*92mm
96*96*100mm
Size
Display
DW9L-IRC38
Remark: “ ” standard
;
“ ” optional
Switch Input