PQA820 is the innovative proposal by HT to easily analyze all involved components on a three-phase or single-phase electric system. When designing them, HT has taken particular care of three aspects: setting, the operating or storage environment and data transfer. • PQA820 and PQA819 do not need to be set. They simply need to be connected, started and they respectively record 383 and 44 quantities simultaneously.
• They are provided with a comfortable IP65 case, which allows working in any kind of environment. • When recording has finished, thanks to the WI-Fi connection, the devices are capable of transferring all data onto a tablet, smart phone or PC. Further to the Wi-Fi connection, PQA devices are provided with USB connection for transferring data via cable to the PC through the provided TopView software. They do not need any batteries since they are auto powersupplied from the power they are analyzing.
The internal battery is automatically recharged by the input voltage and will provide the necessary energy to go on recording in case power supply is interrupted. To make the most of the technology used by PQA820 and PQA819 we recommend using the HTanalysis App (available for free download on AppStore and Google Play) on a tablet or smart phone.
Here are some of the functions of HTanalysis: • Display of measured data on high-definition screen. • Possibility of “scrolling” through a determined waveform and immediately detecting its critical “moments”: it will be sufficient to “touch” a certain spot of the screen in which the measured signal is proposed to immediately obtain all necessary information in order to understand what happened in that spot and in that particular moment! PQA820 and PQA819 respectively record 383 and 44 quantities which can be recalled and dragged onto the screen to be compared between each other; for example, if you are displaying the trend of voltages and you want to check for the possible presence of harmonic distortion, it will be sufficient to scroll through the list of recorded measures and drag the one relevant to harmonics to the screen.
The same can be done for all other quantities: power, cosphi, current, energy, etc. Everything can then be shared on HT Cloud, the web database created by HT to archive recordings and share them quickly with anyone around the world. Through HTCLOUD™ you will be able to share all measurements with you colleagues and/or download them from any PC/Mobile device connected on the web.
Functions:
• AC TRMS voltage in single and three phase systems
• AC TRMS current in single and three phase systems
• Active, reactive and apparent power / energy
• Cosphi and power factor
• Voltage, current, DC power
• Neutral current
• Voltage dips and peaks 10ms
• Voltage unbalance (NEG%, ZERO%)
• Measurements using external CT and VT
• Voltage / current waveforms
• Histograms of voltage / current harmonics and THD%
• Voltage / current vector diagram
• Periodical recording with selectable PI
• Maximum number of simultaneously recorded quantities 383
• Voltage and current harmonic analysis up to the 49th
• Calculation and recording of voltage / current THD%
• Indication of recording duration
General:
• Power Supply : Rechargeable Li-ION battery
• External Power Supply : 100 - 415V 50/60Hz
• Recording Duration : >30 days (@PI =10min)
• Recording Period : 5, 10, 30s, 1, 2, 5, 10, 15, 60min
• PC Interface : USB 2.0 and Wi-Fi
• Safety : IEC / EN 61010-1 double insulation
• Mechanical Protection : IP65 (Closed Case)
• Measurement Catagory : CAT IV 300V, max 415V between inputs
• Reference Standards : EN50160
• Size : 235 x 165 x 75mm
• Weight : approx 0.7kg (Battery included)
Accessories Provided:
• Flex clamp 3000A, diameter 174mm, 4 pieces (HTFLEX33E)
• Set of 5 cables + alligator clips (KIT800)
• AC/DC battery charger power supply 230V 50/60Hz (A0055)
• Rechargeable 3.7v Li-ION battery (YABAT0003HT1)
• Touch screen pen (PT400)
• Windows software + USB cable (TOPVIEW2007)
• Rigid soft carrying case bag (VA500)
• User manual CD-ROM
• Quick user guide
• ISO9000 Calibration certificate
Optional Accessories:
• Flex 3000A AC clamp, diameter 274mm (HTFLEX35)
• Standard 1-100-1000A AC clamp, diameter 54mm (HT96U)
• Standard 10-100-1000A AC clamp, diameter 54mm (HT97U)
• Standard 1000A DC clamp, diameter 50mm (HT98U)
• Standard 200-2000A AC clamp, diameter 70mm (HP30C2)
• Standard 3000A AC clamp, diameter 70mm (HP30C3)
• 3x 1.5A/ 1V box for external TA connection (HT903)
• External power supply 110V AC-60Hz / 12V DC (A0056)
• 1GB Compact flash card (CF800)
• Compact flash card reader (MCR800)
• Connector with magnetic terminal (606-IECN)
• Set of straps for slinging the instrument over ones shoulder (SP-0400)