Detection deepness | Wallboard thickness | Remark | |
0~0.5cm | 0.5~2cm | ||
Wooden pillar / Metal stud | ≥3cm | 2~3cm | non-metal and dry Wallboard |
Metal pipe | 6cm | 6cm | |
AC voltage(50~600V) | ≥20cm | ≥20cm |
Source: https://www.meterstesters.com/products/electronic-stud-metal-finders/scanner-and-tester-ms6906.html
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