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PQA823 - Power quality analyzer with INRUSH current measurement

PQA823 - Power quality analyzer with INRUSH current measurement


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  • PQA823 is a Three-Phase power quality analyzer with INRUSH currents measurement

  • It allows the analysis of all electric parameters which can be measured nowadays, elaborating them easily and quickly. These devices can be easily programmed thanks to the new colour touchscreen display with icon menu, which guarantees the selection of internal parameters in a simple and intuitive way.

AC/DC voltage in single-phase/three-phase systems Max 1000V
AC/DC current in single-phase/three-phase systems Max 3000A
Cosphi, Power Factor  
Voltage unbalance (NEG%, ZERO%)  
Active, reactive, apparent power/energy and DC power  
Voltage and current harmonics up to the 49th with THD In real time up to 64th
Voltage anomalies (dips, peaks) with a resolution of 10ms (@ 50Hz)  
Electric motor starting current (INRUSH)  
Voltage flickers (Pst, Plt)  
Full analysis EN50160  
Phase sequence  
Neutral-Ground Voltage  
Neutral current  
Max number of simultaneously selectable parameters 251
Recording with selectable integration period 1s-60m
Indicative memory duration (in days @ PI=10min @ max number of parameters) 90 days
Indication of recording duration  
Internal memory capacity 15MB
External compact flash card Optional
Default and custom recordings  
Saving instant sampled values  
Summary table of main electric parameters  
Voltage/current waveforms  
Tables or histograms of Harmonics and THD% In real time up to 64th
Voltage/current vector diagram  
Measurement category CAT IV 600V
Measurement with use of external TA and TV (with optional accessory HT903)  
Touchscreen colour display  
Power supply and rechargeable battery recharging  
Auto power off  
USB port for data download onto Pen Drive  
Provided PC interface with software for Windows USB
Context help active on each screen  
Protection password on recording  
Size (LxWx H) (mm) 235x165x75
Weight in grams (batteries included) 1000

Each internal parameter is easily reached through the typical tree structure, widely known to Windows system users. The devices allow displaying the parameters in numerical and graphic mode, both for periodical analysis and for harmonic analysis. The graphic function “vector diagram” allows, among other things, to immediately evaluate the phase angle between input voltage and current signals, thus defining the loads’ nature. The 15MB internal memory allows saving recorded data for a remarkable number of consecutive days.

Model PQA823, compared to VEGA78, also allows detecting INRUSH CURRENTS , which are very useful when solving typical problems on installations (monitoring industrial machines , commutations of switching suppliers, etc.). The Help online function available on each screen is a valid and concrete help for the operator in understanding how the devices are used.

EMC 2014/30/EU
EMC: IEC/EN61326
IEC/EN61000-4-30 Class B
LVD 2014/35/EU