HT HTFLEX33D User Manual Download | Manualshive

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Copyright HT ITALIA 2013

Release EN 2.00 - 24/06/2013

ENGLISH

User manual

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Summary of Contents for HTFLEX33D

Page 1: ... Copyright HT ITALIA 2013 Release EN 2 00 24 06 2013 ENGLISH User manual ...

Page 2: ...CRIPTION 3 2 1 Introduction 3 2 2 Transducer s functions 4 3 INSTALLATION 5 4 MAINTENANCE 5 5 END OF LIFE 5 6 TECHNICAL SPECIFICATIONS 6 6 1 Reference standards 6 6 2 Technical features 6 6 3 Mechanical features 6 6 4 Environment conditions 6 7 SERVICE 7 7 1 Warranty conditions 7 7 2 Service 7 ...

Page 3: ...e the current flowing is greater than the maximum measurable current Overrange CAUTION Hazardous potentials may exist in the vicinity of the desired current measurements Use locally approved safety procedures when working near hazardous potentials It is recommended not to install the clamp around a live bus that is at a hazardous potential If installation is not possible when the bus is inactive o...

Page 4: ...ring instrument take the clamp off the cable wait 1 minute before connecting the clamp to the measuring instrument then clamp the cable again Do not use the HTFLEX33D if is or seems damaged 2 INSTRUMENT DESCRIPTION 2 1 Introduction HTFLEX33D is an innovative current transducer based on the Rogowsky s principle that combines easy use with measurement accuracy The HTFLEX33D current probe is similar ...

Page 5: ...s from other current measuring methods The measuring transducers are constructed from non ferrous materials minimizing any circuit loading due to magnetic influence Fig 2 Measurement transducer The frequency response of the current probes is rather wide compared to conventional CTs This allows the user to monitor a much wider range of line harmonic components than conventional CTs allow The HTFLEX...

Page 6: ...ing a HTFLEX33D current probes Each transducer has been Hi Pot tested to several thousand volts with no voltage breakdown This particular characteristic allows high current measurement with a wide frequency bandwidth of conductors at less than 1000VAC potential to earth CAUTION Hazardous potentials may exist in the vicinity of the desired current measurements Use locally approved safety procedures...

Page 7: ...Range 3dB 10Hz 20kHz Phase Error 45 65 Hz 1 Position Sensitivity 2 rdg Temperature Coefficient 0 05 rdg per C Working voltage 1000V DC ACrms 6 3 Mechanical features Output connection 2 m cable with 3 way Hypertac connector Length of flexible clamp 610mm 24in Maximum conductor diameter 174mm 7in Weight 215g 8 ounces Material TPE Polypropylene UL94 VO rated Mechanical protection IP65 6 4 Environment...

Page 8: ...be necessary as a consequence of service actions carried out by unauthorized personnel Any modification of the instrument carried out without the authorization of the manufacturer Use not provided for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form whatsoever without prior authorization of the manufacturer All our products...

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