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NDB-DOC™

Distribution transformer tester 型號:NDB-DOC™
The NDB-DOC™ is a test instrument designed for distribution networks transformers from 10kVA to 2500kVA. It can determine the presence of short circuits or an open circuit in the distribution transformer primary winding & also short circuits on the secondary winding. The NDB-DOC™ is designed to be operated from an arial device or from the ground at the end of a hot stick without disconnecting the transformer’s secondary windings.
 
    • For transformers up to 833kVA single phase or 2500kVA three phase (Pole mount or Pad mount)
    • Measurement by contact on the transformer primary bushing and Neutral/Ground
    • Used on de-energized transformer
    • Detects primary transformer short-circuit, open circuit, & secondary short circuits
    • Visual and audible warning Automatic self-test & Auto shut-off
    • Low battery indicator
  • TECHNICAL SPECIFICATIONS
    Supported transformers Distribution single phase kVA range selection:
    1. 10 to 20 kVA
    2. 25 to 167 kVA
    3. 167 to 2500 kVA
    Probe Hook type probe and pin type probe
    Operating temperature -25°C to 55°C (-13°F to 131°F)
    Indications Audible and visual
    Power supply Battery operated, PP3 9V
    Approvals IEC-TC78