南澳电气NADS多功能电能表现场校验仪三相电能表现场校验仪

or does not need to disconnect the current circuit, the measurement is convenient and safe.(6) It can calibrate voltmeter, ammeter, power meter, phase meter and other indicating instruments, and also can measure variety of 1A or 5A three-phase three-wire, three-phase four-wire and single phase of active and reactive energy meters.(7) Can use photoelectric, manual, pulse and other methods to calibrate the energy meter.(8) Measurement and analysis of the AC power quality from the grid to the client, the measurement include: frequency deviation, voltage deviation, voltage fluctuation, three-phase voltage unbalance and harmonic.(9) it can display the single-phase voltage, current waveform, it also can display the three-phase voltage and current waveform at the same time.(10) Load fluctuation monitoring: measuring and analyzing the fluctuation of power quality caused by the power quality of the public power grid under different operating conditions. Recording and storage voltage, current, active power, reactive power, apparent power, frequency, phase and other power parameters.(11) Dynamic monitoring the adjustment and operation of electrical equipment, to help users solve the problems occurred during adjustment and operation.(12) Test and analysis the reactive power compensation and the dynamic parameters of filtering device in power system, and make quantitative evaluation on their function and technical specifications.(13) With optional bar code scanner, can automatically enter the bar code of meter.(14) Can test the communication interface 485 of energy meter, and also can make on-site calibration for multifunctional (intelligent) energy meter, can carry out error checking according to the demand cycle and slip time which has been set in the meter.(15) With calendar and clock function, real-time display date and time.(16) Can save the test results and on-site calibration at the same time, and uploaded to the computer through the serial port to realize computerized management of data by the backstage management software (optional).