Remark: “ ” standard ; “ ” optional
2
1.3 Function List
1.4 Measurement Parameter Range
Note: Energy metering is a secondary-side value. Please multiply the PT and CT values when you measure
the electric energy.
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%
Reactive Energy
2%
2
1
4
2
1
92*92mm
96*96*100mm
DW9L-IRC38
2
No
4
2
1
92*92mm
96*96*100mm
DW9L-RC38
Function
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 Content
32nd times harmonics content rate of voltage
32nd times harmonics content rate of current
Maximum value of voltage and current
Unbalance of voltage and current
Energy
Measurement
Power Quality
4 tariff rates, 12 time periods measurement
Active Power, reactive Power, maximum demand record
With real-time clock which can be timed
Multi-rate
Demand
Clock
Undervoltage, overvoltage, undercurrent, overcurrent
Alarm Action
Programming parameters
Clear energy, demand, etc.
Event Record
1 loop active energy, 1 loop reactive energy
One 4
～
20mA analog output
Passive dry contact
Energy Pulse
Analog Output
Alarm Output
Communication
AC250V/5A Remote control/ alarm
RS485: support MODBUS-RTU/DLT645-2007
Large size LCD display
Hole Size
Dimensions
Size
Display
DI (digital input)
1
1
I. Product Description
1.2 Features and Application
1.1 The instrument implements relevant national standards
DL/T 614-2007
GB/T 17215.301-2007
GB/T 17215.322-2008
GB/T 17215.323-2008
DL/T 645-2007
GB/T 15284-2002
GB/T 14549-1993
GB/T 15543-2008
<Multi-function Energy Meter>
<Multifunction Harmonic Meter Special Requirements>
< 0.2 and 0.5 Class Static AC Active Power Meter>
< 1 and 2 Class Static AC Reactive Power Meter>
<Multi-function Energy Meter Communication Protocol>
<Multi-tariff rate electric energy meter special requirements>
<Admissible three-phase voltage unbalance>
<Power quality public grid harmonics
This instrument with high performance-price ratio, can directly replace common measurement indication
meter, energy meter, harmonics measure instruments ect. As an advanced intelligent and digital power
grid front-end acquisition component, it can be used in various control systems . It has features of easy
to install, simple wiring, easy maintenance, small enginnering quantity, field programmable input
parameters etc, also can communicate with various PLC, industrial control computers.
Main Features:
※
Large size LCD display, simple and convenient operation, rich interface information;
※
Measure parameters such as U
,
I
,
P
,
Q
,
S
,
P, F
,
Hz etc.
※
With 4-quadrant reactive power record function;
※
Measure forward and reverse energy, realizing 12 time periods multi-rate energy metering
；
※
With demand statistics function, support U, I maximum value record function;
※
Measure the 2-31 harmonics content and total harmonic distortion rate THD of voltage and
current in power network
※
Measure voltage and current unbalance and other power grid quality parameters;
※
Support 4 digital input (DI) function, adopts dry contact signal input mode
※
Support 2 relays (250V/5A) digital output (DO) function,
output and remote control in various places;
※
Support one loop active energy pulse, one loop reactive energy pulse output;
※
Support One RS485 communication, MODBUS-RTU communication procotol
( optional DLT645 protocol);
※
Optional one 4-20mA analog output;
Typical Application
：
※
Energy Management System
※
Power Monitoring System
※
Intelligent Building
※
Smart Switchboard
※
High and low voltage switch cabinet
※
Distribution network automation
