Overview

Designed for professional technicians, electricians, and contractors, the NOYAFA NF-829 is a powerful underground and in-wall wire, cable, and pipe detector that streamlines infrastructure maintenance and electrical renovations. Featuring advanced 2m (6.56ft) depth detection, 12-600V live circuit tracing, and precise breakpoint/short-circuit location, it helps field crews diagnose complex wiring routes quickly and safely without unnecessary shutdowns. Equipped with a high-sensitivity 9-level receiver, adjustable signal strength, NCV safety alerts, and a hands-free magnetic back design powered by a rechargeable 3000mAh battery, this all-in-one handheld solution minimizes downtime and maximizes job-site efficiency.

Key Features

• Precise Underground / Inside-wall Detection (Up to 2m / 6.56ft depth) for buried cables, water pipes, and metal conduits
  
• Accurate Fault & Breakpoint Location for short-circuits up to 2,000Ω to minimize troubleshooting time
  
• Safe Live Wire Detection (12-600V) supporting energized circuit diagnostics without shutdowns
  
• Adjustable Signal Strength (3 levels) and High-Sensitivity Receiver (9 levels) for complex environments
  
• Advanced NCV Safety Detection with audio-visual alarms and a built-in magnetic back for hands-free operation
  
• Built-In 3,000mAh Rechargeable Battery with Type-C charging for extended field work
  
  

Specifications

• Brand: NOYAFA
  
• Model: NF-829
  
• Product Type: Underground Wire Detector 
  
• Max Depth Range: 2m (80 inch)
  
• Max Cable Length: 1,000m
  
• Voltage Detecting: Yes
  
• Working Voltage Range: 0 - 400V
  
• Sensitivity Adjustment: Various Modes
  
• Power Supply: 3.7V 3000mAh LI-Battery Powered
  
• Signals & Result Display: Tone & LCD
  
• Support: Metal wires, cables, and pipes
  
  

Transmitter:

• LCD Screen: 52 X 35mm Tn Screen with Backlight
  
• Transmitter Signal Frequency: 125khz
  
• Signal VP-P Transmitter Self-Inspection: Yes
  
• Circuit Voltage Testing: AC: 12~400v(50~60hz)+/-2.5%
  
• DC: 12~400v +/-2.5%
  
• Interface Type: Multimeter Jack
  
• Dimension: 158 x 80 x 33mm
  
  

Receiver:

• LCD Screen: 52 x 35mm TN Screen with Backlight
  
• Received Signal Strength Display: Yes
  
• Recognize Low Battery Warning of Transmitter: Yes
  
• Received Signal Frequency: 125khz
  
• Short Circuit Detection: Yes
  
• Open Circuit Detection: Yes
  
• Automatic Frequency Sweep: Yes
  
• Reception Mode: Manual / Auto
  
• Ncv Function: AC:50~400v(50~60hz)+/-2.5%
  
• Dimension: 228 x 74 x 28mm