Ⅰ
. Description
1.2 Features and Application
1.1 The instrument implements relevant national standards
Main Features:
※
Large size segment LCD display, simple and convenient operation, rich interface information;
※
Measyure parameter. like U
、
I
、
P
、
Q
、
S
、
PF
、
Hz etc.
※
With 4-quadrant reactive power record function;
※
Metering forward and reverse energy, reaching 12-hour multi-rate energy metering
；
※
Measuring demand statistics, maximum record function of U.I
※
Measuring the voltage and current of power network in frequency 2-31harmonics,total harmonic distortion THD;
※
Measuring power network quality parameters such as voltage and current imbalance of the power network;
※
Supply 4 loopds digital input function, adopts dry node signal input mode
※
Supply 2 loops alarm (250V/5A) digital input function: Can be used in variou places for over-limit alarm indication, protection control
output and remote control functions
；
※
Supply 1 loop active power, 1 loop reactive power analog output;
※
Supply 1 loop RS485 communication, MODBUS-RTU communication procotol ( optional DLT645 protocol)
※
Supply 1 loop analog transmission output 4-20mA
；
Typical Application
：
※
Energy Management System
※
Power Monitoring System
※
Intelligent Building
※
Intelligent Switchboard
※
High and low voltage switch cabinet
※
Distribution network automation
This instrument with high cost performance can directly replace the conventional measurement indicating instrument, energy meter,
harmonic measuring instrument and related auxiliary units. As an advanced intelligent, digital power grid front-end acquisition component, it
can be used in various control system and is with the features of easy to install, simple wiring, easy maintenance, small engineering
capacity, field programmable input parameters etc, also can complete the networking with the industry's different PLC, industrial control
computer communications software.
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
<Multifunction Energy Meter>
<Multifunction Harmonic Meter Special Requirements>
< 2nd and 3rd Class Static AC Active Power Meter>
<2nd and 3rd Level Static AC Reactive Power Meter>
<Multifunctional Energy Meter Communication Protocol>
<Multi-rate electric energy meter special requirements>
<Power Quality Public Power Harmonics>
<Three-phase voltage allows unbalance>
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