High Precision Meter Calibration

High Precision Meter Calibration 1. High precision : Class 0.02 for measurement of U,I,P,E 2. Multi-function: measure voltage,current, phasor, frequency,Power, atctive/reactive energy, errors at the same time. 3. Wide measuring range: 30V 400V for Voltage,.1A 100A for current 4. convenient operation: equipped with ARM series high performance CPU as the main controlling unit, operating by Windows CE.NET and with 640X480TFT true color, high light LCD. 5. Build-in testing plan as per energy meter calibration procedure, autosaving testing data 6. Fully digital product: adopping high speed A/D +DSP technology 7. Multi additional functions, include: a. Symmetery calculation for Voltage, Current and Phasor b. Stability calculation for voltage, current and phasor c. Interaction calculation for volatge, current and phasor d: wave display, harmonic analysis, distortion calculation e: Calibrate Voltmeter, amperemeter,phasor indicator, frequency indicator and power indicator f: volage calculation for the same end g: intensity mesurement for magnetic field h. Errors, S value measurement and multi-output consistency and short term stability variation measurement. i: exterior interface: RS232, USB convenient for data interchange, display and output. SMS PC software 1- Design according to JJG597-2005. automatically make conclusion. Auto- Data integer 2- With 1024*768 interface, accord with basis dispaly requirement of Laptop 3- Print model and modification of printing certification can be modified in WORD format 4- Realize all testing items according to related standard Voltage measuring range: 3×60,3×100,3×200,3×400V auto/manual -shift Current measuring range:0.1A, .25A,0.5A,1A,2.5A,5A,10A,20A,40A100A Auto/manual shift Accuracy:Voltage 0.02% current 0.02% Basic Errors 0.02% Frequency ±0.01Hz Active power 0.02% Reactive power 0.1% Reactive energy 0.1% Phase angle ±0.05° Power supply AC220±10% Power consumption <30VA Phase angle measuring range 0°--359.999° resolution:0.001° Frequency scope 45.0000Hz---65.0000Hz resolution:0.0001Hz 24Hour variation <0.004% yearly variation <0.01% Dimension 540*486*182mm Working temperature 20°C±10°C Relative humidity: 25%--90% no condensation connect mode 4 wire active4 wire reactive true4 wire reactive cc3 wire active3 wire reactive true3 wire 2-element reactive cc3 wire 3-element reactive cc3 wire man-made netual reactive3 wire 60° reactive