HT Instruments PQA824


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Primo number :HTPQA824
Brand :HT Instruments
Brand number :PQA824

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HT-INSTRUMENTS PQA824 POWER QUALITY ANALYZER FOR THREE PHASE NETWORK • TRMS voltage measures (5 inputs) • TRMS current on phases and neutral (4 inputs) • Active, reactive and apparent powers measures • Active, reactive and apparent energies measures • Power factors measure • Frequency measure • Max 251 selected parameters at the same time • Integrated period selectable from 1s to 60min • Harmonic analysis of voltage and current up to 49th component • Voltage anomalies (sags, swells) with 10ms resolution • Numerical and graphical (waveforms) visualization • Histogram visualization of harmonic analysis • Vectorial diagram of voltages and currents • Flicker analysis (Pst, Plt) in compliance to EN50160 • Voltage unbalance in compliance to EN50160 • Inrush currents measures • Fast voltage transients with 5µs resolution • Predefined and customized recordings configurations • TFT colour display with "touch screen" • 15Mbytes internal memory for recordings saving • Using of external compact flash and USB pen drives • USB interface for PC connection • Windows software for recordings analysis • Rechargeable Li-Ion battery and external AC/D adapter • Contextual help selectable on each screen • Virtual keyboard at display The PQA824 model, completely designed in Windows CE technology, permits an easy and wide fast analysis of a huge quantity of data any other system. Thanks to an innovative design and a graphic colour TFT "touch screen" wide display these models finally meet all requests from any exigent electrical verifier. The interface it's incredible "user-friendly" due to the intuitive icon selection of any kind of feature and a contextual help it's available for each screen. Each internal parameter it's easy to reach for effect of typical Windows tree structure. The model permits the visualization of all parameters both in numeric and graphical mode with large use of waveforms and histograms (for harmonic analysis) screens. The vectorial diagram feature permit also to evaluate the mutual phase angle between voltages and current in order to understand the nature inductive or capacitive of the loads on an installation. PQA824 have a great internal memory (15Mbytes) in order to save recording results for a lot of parameters (e.g: >3 weeks for 251 parameters and integrated period of 15 minutes), but this memory can be expanded by using of external compact flash cards fitted on meters. Pen drives USB connection it's also available in order to transfer recordings from meter and realize a practical and sure portable situation of all date. PQA824 meter are powered by a internal rechargeable Li-Ion battery which permits complete operation for more than 3 hours and are external supplied by using a 100/240V AC adaptor. USB interface permits the connection with PC for download and analysis of recordings with dedicated TOPVIEW Windows software. The PQA824 model also permits detection of fast voltage transients (spikes) with a minimum resolution of 5us (200kHz) with setting of different trigger thresholds very useful on troubleshooting problems on industrial installations (monitoring atmospheric discharging, analysis of switching problems, frequency noise, etc..). STANDARDS - EMC 2004/108/CE Directive - CE MARK - EN50160 - IEC/EN61000-4-15 - IEC/EN61000-4-30 Class B - LVD 2006/95/CE Directive ------------------------------------- Keyword : PQA HT Italia

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