PRODUCT FUNCTION

●Standard PT and CT inputs, suitable for various voltage levels and wiring methods;

●High precision measurement of over 40 three-phase electrical parameters;

●High speed and high-precision AD sampling chip synchronizes AC sampling to achieve directional measurement of power in four quadrants, high-precision measurement of positive/negative active energy and inductive/capacitive reactive energy;

●Data update cycle: 0.5 seconds, true RMS measurement;

●High measurement accuracy: current/voltage better than 0.5%, other electrical quantities better than 1.0%;

●Complete statistics on the maximum/minimum/average demand of various three-phase/single-phase electricity quantities;

●Three phase line anomaly monitoring can be achieved by utilizing zero sequence current/voltage imbalance;

●The THD/K value factor of harmonic distortion facilitates timely analysis of power grid supply quality;

●1 channel of adjustable active/reactive power pulse output;

●Real time measurement of 2-51st harmonic components and phases of three-phase current and three-phase voltage;

●Standard RS-485 optical isolation communication interface standard MODBUS RTU communication protocol;

●Wireless Lora communication interface, communication center frequency band 470M. 16 channels can be selected according to the on-site situation, and wireless communication needs to be used in conjunction with the LC-DT12 module of Hechuang (LC-DT12 wireless to RS485 module)

●Various parameters (address, baud rate, transformation ratio, etc.) can be set remotely through a computer;

●All measurement data and over limit alarm signals can be read out through the communication port;

●The measurement accuracy of the module adopts intelligent automatic calibration mode and maintenance free design;

●The response period for wired communication is 0.2 seconds, and wireless communication is used for less than 2 seconds;

●Power supply mode: AC85-265V, power consumption<3W;

performance parameter

Input voltage: Voltage range (phase voltage): 60V, 250V;
Overload capacity: 1.2 times the range/correct measurement; 1.5 times the range/continuous; 3 times the range/1S;
Input load:<0.1VA (100V); <0.4VA(500V)； Input impedance:>1 k Ω/V;
Input current: Current range: 5A, 100A, 200A, etc. mA level signal input;
Overload capacity: 1.2 times the range/correct measurement; 2 times the range/continuous; 10 times the range/1S;
Input load:<0.1VA; Input impedance:<10m Ω;
Input frequency: Input range: 45-75Hz; Rated frequency: 50/60Hz;
Insulation strength: 2000V/AC, 50/60Hz; Insulation resistance: ≥ 250M Ω;;
Power supply and power consumption: alternate power supply,<3W;
Anti interference: It can automatically reset immediately when a fault occurs due to strong interference; The set parameters, electrical energy, etc. are error free;
Mean time between failures: ≥ 50000 hours;
Appearance: Dimensions: 122 X 70 X 43mm Installation method: rail type;
Working environment: Working temperature: -25~60 ℃; Storage temperature: -40~85 ℃; Relative humidity ≤ 90%, 86-106kPa, no corrosive gas environment;
Measurement accuracy of EDA9133D
Voltage/current accuracy: ± (RD * 0.3%+FS * 0.2%);
Other power accuracy: ± (RD * 0.6%+FS * 0.4%);