D) Moving The Metal Detector When Searching For Objects; E) Isolating The Detected Object; F) Interference - Renkforce MD50 Operating Instructions Manual

d) Moving the metal detector when searching for objects

• For best results, follow the steps below to learn how to move the metal detector when searching for objects:
• Move the detection probe slowly in order to ensure that all small objects can be detected.

e) Isolating the detected object

f) Interference

• The success/accuracy of the metal detector depends on several factors. These include:
- The angle at which the object is inserted in the ground (detection area)
- The depth of the object
- The object's degree of oxidation
- The size of the object
- Electromagnetic and electrical interference (e.g. earth cables) in the vicinity of the object
• Due to these factors, it is important that you familiarize yourself with the metal detector and how it responds before
attempting to search for objects.
• Move the detection probe in semicircles across the target area (see left-hand
diagram).
• Keep the detection probe (10) at a uniform height above the ground (approx. 3-5 cm).
Ideally, the detection probe (10) should always be parallel to the ground.
• Never move the detection probe like a pendulum. This changes the distance
between the detection probe and the ground, which affects the detection accuracy.
Only move the detection probe (10) with pendulum movements when searching
in troughs or dips to ensure that the detection probe stays parallel to the ground.
• Swinging or lifting the detection probe will result in incorrect detection results (see
left-hand diagram).
• If the detection coil finds a hidden object, hold the detection probe (10) exactly
above this position.
• Move the detection probe (10) forwards and backwards and from side to side in
increasingly small movements. Note where the detector beeps and narrow down
the search area systematically with increasingly small movements. Repeat the
procedure at a right angle to the initial direction of movement. The intersection of
both imaginary lines is the location of the detected object. Mark the exact position
at which the detector responds.
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