Arizona Ph

Distribution transformer tester Model: NDB-DOC-3

The NDB-DOC-3™ is a test instrument designed for distribution networks transformers from 5kVA to 3MVA. It can determine the presence of short circuits or open circuits in the distribution transformer primary winding & also short circuits on the secondary winding.

The NDB-DOC-3™ is designed to be operated without disconnecting the transformer’s secondary windings from their loads.


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FEATURES
• De-energized transformers from 5kVA to 3MVA
• Measurement by contact on the transformer
primary bushing
• 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
Transformer size: supported
1kVA to 3MVA
Operating temperature: -20°C to 50°C -4°F to 122°F
Power supply: 4x AA batteries (not included)
Indications: Audible and visual
Autonomy: up to 8 hours of inactivity
Autoshut: after 15 min of inactivity

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