Felder NDI 20 - Measuring Range; Accuracy

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Wood and building moisture meter
NDI 20
3.2 Measuring range
3.3 Accuracy
Wood
2–10 % Up to ± 1.0 %
10–20 % up to ± 1.5 %
20–45 % up to ± 2.0 %
45–65 % up to ± 2.5 %
Construction material:
1–10 % up to ± 0.9 %
10–35 % up to ± 1.5 %
Wood
420–700 kg/m
3
2.0–65 %
Construction material:
Concrete (2,400 kg/m
3
) 0.1–10 %
Concrete (2,200 kg/m
3
) 0.1–20 %
Concrete blinding coat
(1,800–2,000 kg/m
3
)
0.1–35 %