Reflectometer high-voltage oscillographic Spark-3

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1.Naznachenie

1.1.Reflektometr high voltage oscillographic & ldquo; SPARK-3 & rdquo; . (Hereinafter referred to as & ldquo; reflectometer & rdquo;) for determining the distance to fault communication cables and power

Device allows:

- to detect and determine the distance to the fault or inhomogeneity Locating (OTDR) method for balanced and unbalanced cables;

- measure the length of cable (including drums and coils) or the distance to an open or short;

- memorize store and process measurements;.

- as part of a mobile electrical laboratory to determine the distance to the fault in the cable length up to 12 km in all types of damage without first being fully burning insulation

The device allows you to keep in built-in nonvolatile memory group 4 measurements (up to 15 traces in each), and save them in a computer for later analysis and record keeping. (This function is realized by an individual customer's request).

1.2. The reflectometer designed to operate within confined spaces (especially in indoor a vehicle) under the following conditions:

• ambient temperature range, ° C - -10 to +40;
• Relative humidity at 25 ° C - up to 80%;
• atmospheric pressure, mm. Hg. Art. - 650 - 800;

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  2. SPECIFICATIONS

  2.1. Maximum measuring distance to fault, km - 12,3

  2.2. Minimum measuring distance to the fault location, m - 3

  2.3. Measurement resolution, m - 0,2

  2.4. Parameters high sounding pulse at the load of 30 ohms:

  • amplitude kV - from 3 to 25
  • rise time, microseconds, no more than - 0,15 < / ul>

    pulse duration, ms, at least - two

    2.5. Parameters low voltage probe pulses at the load of 30 ohms:

    • amplitude, V, not less than -
    • rise time, microseconds, no more than -
    • pulse duration , ms, -

      2.6. Maximum operating voltage pulse voltage sensor kV - 60

      2.7. Measurement error distance to the fault on a high voltage dependence, sieves the measurement mode, and by the breakdown voltage of the damaged portion

      In the case of distance measurement at high voltage in modes & lsquo;. & Rsquo; intermittent breakdown & rsquo; & rsquo ;, idling , short circuit error is from +15 to +25 meters at a distance of 1 km, and from 20 to 40 meters at a distance of over 1 km.

      2.8. . Weight and dimensions values ​​are given in section 3. & rdquo; Composition and completeness reflectometer & rdquo;

      2.9 Reflectometer allows continuous operation for 8 hours

      2.10 Lifetime reflectometer - at least 5 years. .

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      Documentation for download of the device not available