MO220 Datasheet, PDF (14/15 Pages) Extech Instruments Corporation. – Moisture Meter

Building material measurements: Select the ‘A’ scale to measure building materials.
Refer to the following conversion table to obtain the building material moisture value.
Std ^Bldg
Scale ^Mat’l
Species Group
A
B CE F GHJ
%H2O
Chip-
board
6
3
7
4.8 9.2 9.4 8.6 6.8 6.7 11.0 10.1
8
7.0 10.0 10.3 9.3 7.4 7.4 11.5 11.0
9
8.7 10.8 10.9 9.7 7.9 8.1 12.1 11.6 8.5
10 10.5 11.7 11.5 10.4 8.6 8.8 12.7 12.2 9.4
11 12.2 12.7 12.6 11.3 9.5 9.7 13.4 13.4 10.5
12 13.3 13.6 13.7 12.1 10.5 10.5 14.0 14.3 11.5
13 14.8 14.5 14.5 12.7 11.2 11.2 14.5 15.1 12.5
14 16.2 15.3 15.5 13.4 11.8 11.8 15.0 16.0 13.5
15 16.6 16.3 16.7 14.1 12.5 12.6 15.6 17.0 14.4
16 17.2 16.9 17.5 14.8 13.0 13.2 16.0 17.7 14.9
17 18.8 17.7 18.8 15.7 14.3 13.9 16.6 18.5 15.3
18 19.6 18.2 19.7 16.3 15.0 14.5 17.0 19.1 16.1
19 20.2 19.0 21.0 16.9 15.9 15.2 17.6 20.0 16.7
20 20.6 20.0 22.6 17.8 16.9 16.1 18.4 21.3 17.2
21 20.9 20.8 23.5 18.5 17.6 16.8 19.1 22.3 18.3
22 21.5 21.5 24.5 29.3 18.3 17.4 19.7 23.2 19.1
23 22.1 22.9 26.4 20.2 19.8 18.6 21.2 24.5 19.9
24 22.7 23.5 27.4 20.8 20.4 19.0 22.0 25.8 20.5
25 23.2 24.2 27.8 21.2 21.0 19.4 22.7 26.3 23
26 23.6 25.3 29.0 22.4 22.3 20.1 23.9 27.3
27 24.0 26.6 30.0 23.3 23.5 20.8 24.9 28.2
28 24.2 27.9 31.2 24.2 24.6 21.6 25.7 29.2
29 24.4 29.3 32.5 25.6 26.0 22.9 26.9 30.2
30 24.6 30.8 33.7 26.8 27.5 24.1 28.2 31.1
32 25.0
37 25.8
39 26.1
40 27.2
46.5 33.0
14
Model MO220 V1.1 10/07