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Review on GAOTek Underground Detection Conducting Electrical by David Caldwell

Revainrating 4 out of 5

Not suitable for subways

Hardly detects wires as low as 6 inches below ground. Since the wires must be buried at least 18 inches. Virtually useless for finding hidden lines.

Pros
  • πŸ›  12-400V DC/AC MEASUREMENT: Built-in transmitter DC/AC voltmeter for linear measurement of 12-400V DC/AC voltage Transmitter and receiver show power level, code, battery, detected voltage type and value and high voltage warning. Locate outlets on specific circuits, track drill sites before drilling.
Cons
  • Not bad, but...