RIF-9

TIME-DOMAIN REFLECTOMETER

Three-phase reflectometer RIF-9 is designed for quick and efficient fault pre‑location and distance measurement in electrical power cables and communication lines up to 120 km long.

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ALL MAIN PRE-LOCATION METHODS

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Low-voltage method

  • TDR (time-domain reflectometry): low-resistance faults, open cable breaks, various impedance changes characterization (cable sleeves, branches, etc.), total cable length measurement (incl. on a drum or bundle) and cable shortening ratio measurement.

High-voltage methods (when combined with a surge wave generator / thumper in ETL cable test van or SWG mobile cable test and fault location system)

  • ARC / ARC multi-shot (arc reflection method): high-resistance and unstable faults, minimal harmful effects on a cable.
  • ICE (impulse current envelope method): high-resistance faults that cannot be converted to low-resistance by burning faulty insulation.
  • DECAY (voltage wave oscillation method): faults with high breakdown voltage.
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THREE PHASES

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RIF-9 features three measurement channels allowing to display reflectograms from one, two or three cable phases at once in the time-domain reflectometry (TDR) mode.

This feature makes it possible to analyse and compare the different cable phases, which may be especially useful when identifying a particular failed phase or detecting low-resistance faults.

ARС MULTI-SHOT

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RIF-9 is equipped with ARC multi-shot technology, which allows to send up to 15 probing pulses per single surge generator discharge. This function simplifies prelocation in ARC mode by increasing the chance of obtaining a high-quality reflection off a flashover arc at the place of a fault.

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TOUCH CONTROL

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Large 10.4" TFT colour display with touch control makes menu navigation, data entry and general device control easy and intuitive. High brightness and rich colour reproduction provide good visibility both in direct sunlight and in the dark.

AUTOMATIC INDICATION OF THE CABLE END AND DAMAGE PLACE

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RIF-9 automatically analyses the obtained reflectogram and sets the cursor as necessary at the end of the cable or at the fault.

The instrument is also capable to analyse the reflectogram and automatically characterise the fault aiding the operator in the cable line maintenance.

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DATA IMPORT AND EXPORT

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Up to 1000 parameterized reflectograms and up to 500 cable shortening ratio values can be stored in the RIF-9 memory. Saved reflectograms can be uploaded or copied to an external USB drive which can also be used to update the system firmware.

EXCLUSION OF MEASURING CABLES

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Connection cables can be excluded from the final reflectometry measurements.

The measuring cables length is automatically subtracted from the obtained length of the measurement object, making it possible to see only the curve that matters.

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PRESETS

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A table with shortening coefficients for various cables may be stored in the RIF-9 memory. To optimize subsequent measurements, an operator can select the required parameters, edit data and upload the list of cables from an external USB drive.

PORTABILITY

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  • The instrument is enclosed in a shock- and splash-proof case with a convenient shoulder strap.
  • The weight of RIF-9 (with built-in battery) is only 8 kg.
  • Device can be powered from the internal rechargeable battery or the mains (via a power adapter).
  • Continuous operation from the battery – up to 6 hours.
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* Pictures used herein are for illustration purposes only. Products' specifications are subject to change without notice. *




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