Pulse Holiday Detector SPARK-1

Pulse Holiday Detector NOVOTEST SPARK-1 is a device for detecting defects (thinning, microholes, cracks, etc.) in dielectric coatings on metals.
The principle of operation of the device is based on the electrospark method. A probe with electrode connected to one pole of the voltage source scans the surface of the tested object directly along the coating. The second pole of the voltage source from the ground connector is connected directly to the metal structure. The electronic unit fixes the gaps by voltage between the electrode and the conductive base.
  • Reliability Small size and lightweight High capacity batteries Long battery life with enhanced battery Accurate digital voltage and sensitivity settings Indicator of batteries charge Sound defect signaling
  • RAPID TESTING OF COATING

    Using the device is possible to do rapid nondestructive testing of the integrity of the coating of vessels (tanks, barrels, etc.), pipelines (inner and outer surfaces), ships and other structures with a coating thickness of up to 12 mm and more, with a discontinuity size of 0.1 mm.

     

    VARIOUS ELECTRODES

    Depending on the task, the device can be equipped with a T-shaped, sickle, brush, ring, spring and other types of electrodes for individual customer testing objects.

     

    AUTOMATIC DEFECT SIGNALING MODE

    The device has a sound alarm function when detecting an electric spark breakdown in the control process, which allows user to work with the device without permanent monitoring of the process, thus greatly simplifying the operator’s work.

     

    DESIGN

    The electronic unit of the device is made of durable aluminum alloy, and dense rubber bumpers, which makes the device body resistant to falls and shocks, protect the side faces. Also, the device is not demanding on operating conditions, can be used in the temperature range from -40 to + 50 ° С.

     

  • Measurement thickness range of tested coatings, no more12 mm
    Measurement diameter range of the detected defects, not less0,1 mm^2
    Operation speed of electrode, not more25 cm/s
    Output voltage0 – 40 kV
    Output voltage resolution0.1 kV
    Pulse frequency30 – 35 Hz
    Batteries life, up to15 h
    Weight of high-voltage transformer1,6 kg
    Weight of electronic unit1,1 kg
    Operating conditions -40 to + 50 °C,Humidity 95%
    Total weight with kit and package4 kg

     

     

     

    • Probe
    • Electronic unit
    • Ground wire with crocodile clip
    • T-shaped electrode
    • Charger
    • Operating manual
    • Package

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