DMT-NVD217 High Voltage Contact Detector for Power Lines and Substations

The Dumatic DMT-NVD217 is a critical safety tool for electrical technicians and substation contractors, providing a reliable method to detect high voltage through contact. It features a clear visual alert system via LEDs (Green for Armed, Red for Voltage Detected), integrated with advanced protection technology to prevent electrical bridging or sparking during inspection. This device comes in a heavy-duty protective carrying case, fully equipped for sustainable performance in the most demanding field environments.

 Key Features

• Ultimate Safety: Equipped with built-in Bridging Protection and Spark Protection to ensure user safety during contact.

• High Precision: Exceptional response time of less than 1 second for immediate decision-making.

• Energy Efficient: Auto OFF feature after approximately 3 minutes to preserve battery life.

• Smart Indicators: Dual LED system (Green = Armed / Ready, Red = Voltage Detected) for clear status communication.

• Self-Test Function: Includes a dedicated Test/Arming Button to verify device functionality before use.

 Technical Specifications

• Model: DMT-NVD217

• System Voltage: 11/36kV

• Threshold Set Within Range: 3.3kV to 4.95kV

• Threshold Value: 4.12kV

• Response Time: <1sec

• Auto OFF: ±3min

• Battery Current: <30mA

• Battery Low Indicator: <7V

• Dimensions: 300 (L) x 100 (W) x 100 (D) mm

• Weight: Approx. 550g (battery included)

 Applications

• Detecting live voltage in overhead transmission lines and substations.

• Verifying circuits are de-energized before commencing maintenance work.

• Essential safety tool for electrical emergency teams in construction projects.

• Testing and maintaining medium to high voltage distribution panels.