Product characteristics

 Basic functions of portable calibration device; With its own analog load, it can verify the electric energy meter without load on site, and the accuracy reaches 0.1%;

 The clamp meter self calibration function can ensure the long-term accuracy stability of the clamp type transformer and the long-term accuracy stability of the instrument;

 2~51th harmonics of voltage and current can be measured, and all harmonic data can be stored;

 One screen display of setting parameters, errors, electrical parameters, voltage and current waveforms;

 Store all measured data of 6000 meters, including working parameters, for convenience of post analysis;

 Support U disk to download verification data through U disk and serial port upgrade software;

 It can communicate with PC, and it is very convenient to interface with the original database and management system. It can be equipped with DYDN-S Electric Energy Meter Management System software to achieve paperless office;

 5.6 "(320 * 240) TFT color LCD display with high brightness, high definition and high resolution;

 Chinese character input;

 Wide working power supply AC 87~265V, and dual selection of internal battery power supply (charging without external charger);

 The system adopts high-speed and high-precision digital multiplier to modify all parameters by software;

 The instrument has no potentiometer, which completely prevents the error change of the instrument due to external reasons such as transportation, and greatly improves the stability and reliability of the system;

 The system adopts the digital true reactive power measurement technology, which is the first in China;

 Ensure the accuracy of electric energy within the temperature range of - 20 ℃~+40 ℃;

 Class 0.2 20A pliers can be provided (including opening and closing non repeatability error, contact error, external magnetic field interference error, angle difference, etc.);

 100A, 500A, 1000A, 1500A tongs can be equipped to directly measure the comprehensive error of low-voltage metering and cooperate with 20A tongs;

 Voltage automatic shift 30~265V, current direct input 20A;

 Error correction function is provided to facilitate error calibration (password required);

 High precision plastic mold chassis design, lightweight and beautiful;