7 GB/IE
Operating temperature: 0 °C to 40 °C
TÜV / GS tested.
Wood moisture
Guidelines for firewood:
6–15 % = excellent fuel value
16–20 % = limited suitability for heating
21– 44 % = not suitable for heating, requires
additional drying
Building moisture
Guidelines for concrete / cement floor:
Meas-
urement
scale
Con-
crete
C20 /
C25
Gyp-
sum
plaster
Cement
floor
Gas
con-
crete
2.0
X X X X
1.8
X X X X
1.6
O X O O
1.4
O X O O
1.2
O X O O
1.0
O X O O
0.8
O X O O
0.6
O X O O
0.4
O O O O
0.2
O O O O
(X = wet / O = dry)
Wood moisture approximate value
for firewood
O 6–15
ideal for heating –
high heating value
O 16–20
restricted heating –
low heating value
X 21–44
not suitable for hea-
ting – further drying
necessary