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計測機器 Dunham & Morrow DML2000-XRのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Dunham & Morrow DML2000-XR 13 ページ。 Magnetic locator

Frequency peaking occurs over any discontinuity:
pipe joint
service connection
elbow
valve box
meter
Most concrete septic tanks have a cover with two handles. The handles are inverted, U-shaped
pieces of rebar that are highly magnetic. In most cases, the audio output of the DML2000-XR
will reach its peak directly over the handles, which makes it easy for the operator to identify the
 
Figure 7: Service Connections & Valve Boxes
Figure 8: Septic Tank
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