Apart from a detector's ability to compensate non-cooperative soil the “maximum detection range” is the most important performance parameter. The detection ranges stated by producers or suppliers very often describe detection features which raise legal questions if this detector performance and the relevant specifications are unspecified or apparently exaggerated. In such case they are misleadingly the clientele. The user will normally compare the statements without realising the technical hurdles of a direct performance comparison.
Author: Klaus J. Ebinger