High Accuracy Energy Meter Error Tester Standard Energy Meter

ZXDN-301standard electric energy meterMutiple functions, wide-range and high precision.
Accuracy grade of 0.02.
It adopts DSP, embedded system and automatic temperature balancing and other compensation technologies
Small and light, simple to use, and reliable.1. Portable with aluminum carrying case2. Wide-range measuring: Voltage (phase voltage):1~560V, Current: 10mA~120A3. Measurement of various ways: measure AC voltage, current, power (active power, reactive power, apparent power) and electric energy in four-quadrant under single-phase, 3P4WY/ 3P3WΔwiring connection modes. In addition, it can measure reactive power and electric energy with ways of true reactive, cross-phase reactive power, artificial neutral point of reactive.4. Multiple function measurement:Fundamental function of measuring U, I, phase, frequency, active power, reactive power, PFand error.Measuring degree of stability of voltage, current and power.Measuring degree of asymmetry of voltage and current amplitude in three-phase circuits.Measuring unbalanced degree of voltage and current in three-phase circuits.Measuring degree of asymmetry of the phase.Display of vector diagram. variousdisplay ways for vector diagram to meet the different habits:clockwise rotation, orcounterclockwise rotation;The choice of the benchmark location between 12:00 o'clock and 3:00 o'clock;Reference benchmark can be changeable; phase display settings: 0~360°or±180°waveform display, harmonic analysis, distortion calculation, frequency spectrumdisplay with enlarge functionDemand measurement.Measurement of space magnetic induction intensity.Measurements of voltage drop of the device's dotted terminal.Measurement of the constant and frequency of the meter to be adjusted.Measurement of power of fundamental wave.Error calibration of three different kinds of metersThree pulse outputports, constants can beauto or manuallyset. Types of constants: kw,kvar, kva, U, ICalibrate comprehensive error of device composed of three single-phase meters.Workableas 3 single-phase standard meters.5. Measurement of full powers of fundamental wave and harmonics), or fundamental power only.
6. Energy meter error calibration, auto set pulse counts and constants, special compensation techniques
7. Harmonic analysis of voltage and current under 51th orders.
8. Display of data and graphics: measuring working condition, waveform, phase vector, harmonic graph.
9. Auto or manual ranging
10.Storage capacity up to 30 groups of data, records can be searched and browsed, based on conditions.
11.Character, alphabet and symbol input function
12.Connection: wide range current input port is a public port, no need to change wiring when change current.
13.Multiple use: can work with PC by remote communication or calibration device
14.RS485, RS232, USB communication ports, baud rate can be set when using asynchronous communication.
15.With 6.4 inch 640*480 pixel TFT display, clear and colorful showing.
16.Human-oriented design, reasonable combination of the functions, simple operation
Signal
rangeVoltage1~560V(Phasevoltage)Current10mA~120AFrequency:40~70HzImpulseinput:max.2MHz(TTL)Frequencyoutput:automaticconstant,impulseoutputfrequencyFOUT 60KHzatratedrangerange&
accuracyVoltagemeasurement(RMS)autoormanualranging30V,60V,120V,240V,480V,0.02 (Rd%)Currentmeasurement(RMS)autoormanualranging0.2A,1A,5A,20A,100A,0.02 (Rd%)activepowerandenergymeasurement0.02(Rd)%reactivepowerandenergymeasurement0.02(Rd)%Frequencymeasurement:range45~70Hz,resolution:0.0001Hz,error:±0.01HzPhasemeasurementrange0~359.999°(0~±180°),resolution:0.001°,error:±0.02°dottedterminalvoltagedropmeasurementrange0~400mV,resolution:0.1mV,error:±0.02%±1mVmagneticinductionstrengthmeasurementrange0~0.25mT,error:±10%±0.001mTHarmonicvoltagemeasurement:2~10thorder,contentpercentage≤30%error0.1%
11~21thorder,contentpercentage≤30%error0.2%
22~51thorder,contentpercentage≤30%error:0.5%Inputimpedance:Voltageinputimpedance:≥750KΩ,Currentinputimpedance:0.001ΩWorkingenvironment:Temperaturerange:15°C~30°C,coefficient:0.0005/ºC,Humidity:45~80%RHWarmuptime:30minPowersupply:220V±10%50Hz±1%,Powerconsumption:≤50VASizeandNetWeight:355x185x145mm,7.5KG