DetectionNet Metal Detectors
Narrow Response : A target that produces an audio response so short that pinpointing is almost not needed
Negative Ground: Soil that contains non-conductive minerals which have a negative or nulling effect on an air-tuned threshold.
Neutral Ground : Soil that has no nonconductive or conductive mineral properties. Lacks mineralization.
Ni-Cad: A rechargeable type of battery cell.