SM150T User Manual 1.0
Appendix 1
45
Calculate
a
1
In the wet soil
V
=
V
w
= 0.350 Volts and substituting gives
79
.
3
w
Finally
51
.
8
0
25
.
0
66
.
1
79
.
3
0
0
1
w
w
a
a
1
= 8.51
Result
a
0
= 1.66
a
1
= 8.51
In this example this soil is now calibrated.
You can now use these two numbers in place of the standard mineral or
organic calibration factors to convert SM150T readings into volumetric water
content
θ
using:
1
0
a
a
on page 42
