Instrument cable testing arrangement in pit
The utility model provides an instrument cable testing arrangement in pit, including tester A end, first inspection hole, a plurality of emitting diode, the resistor chain, micro -gap switch, a power supply, second inspection hole and tester B end, connected in the one end of tester A end by the one...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides an instrument cable testing arrangement in pit, including tester A end, first inspection hole, a plurality of emitting diode, the resistor chain, micro -gap switch, a power supply, second inspection hole and tester B end, connected in the one end of tester A end by the one end of detection streamer, the other end is connected in the one end of tester B end, the other end of tester A end is connected in the one end of first inspection hole, the first inspection hole other end is connected respectively in a plurality of emitting diode's negative pole, a plurality of emitting diode's positive pole is connected in the one end of resistor chain, the other end of resistor chain is connected in micro -gap switch's one end, micro -gap switch's the other end is connected in the positive pole of power, the negative pole of power is connected in the one end of second inspection hole, the other end of second inspection hole is connected in the other end of tester B end. This instrument cable te |
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