KeyWord:


    LRS-13B Series 3--Phase Portable Watt-Hour Meter testing equipment
 
 
Applications
This unit is suitable for verifying various electronic and inductive type 3-phase watt-hour meters, 3-phase multi-function electronic meters, 3-phase multi-rate watt-hour meters and 3-phase prepayment watt-hour meters, and capable for performing the forward/backward four-quadrant verification of active or reactive power. This unit is in conformity with 3 or 4-line really reactive standard, and has passed the verification of various manual reactive or really reactive watt-hour meters.

Functions and characteristics
* The housing adopts the special aluminum alloy material, with firm and beautiful appearance as well as easy operation, and is light and convenient for transportation;
* Single-phase power supply, convenient for using in various circumstances;
* Multi quick protection system, high reliability, audible and visual alarm;
* Special keyboard, which can provide the combined and separate phase features of each meter automatically upon manual meter check, making the manual verification more convenient;
* Support fully automatic verification to the startup, shunt running, basic error, standard deviation and 8-hour and 24-hour variation of the watt-hour meter as per the requirements of regulations;
* Large current output£¨0~100A£©, convenient for verifying the large current watt-hour meter;
* Support the unbalanced voltage effect test, frequency test, harmonic wave test, and negative phase sequence test etc;
* Support the verification of the watt-hour meter with different constants, and have the constant calibration function;
* Special connecting box with the automatic connecting function for open circuit;
* Special optic sampler supporting automatic collecting mechanic black spot and light-on signal of electronic meter LED;
* Special pulse sampling interface with the high voltage isolated circuit, which is capable for preventing the wrong switch-in of high-voltage;
* Support the meter running test as per the quantity of watt-hour or time or pulses;
* Support the measurement of the real time parameters such as power, voltage, current, phase, power factor, frequency etc. and the display of the real time vector diagram;
* Support the input of various bar codes;
* Equipped with RS485, convenient for connecting with various imported or domestically made electronic watt-hour meters;
* Support the automatic detection of communication protocol;
* The communication protocol complies with all stipulations of DL/T645-1997 and IEC1107, and can be changed in accordance with user¡¯ s requirements;
* Have the clock reference and GPS clock£¨optional£©.
 
        
 
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P.C:210003
TEL:(+86)25-8340-6961
                     8342-3700
                     8347-2343
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E-mail:info@lrepc.com
 

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