Umwelt-Geräte-Technik GmbH
| Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 |
values is stated as upper limit of the measurement range. This value may be exceeded during
measurements.
Exemplary tension curve with the limits of the measurement range, phase change, and air entry point
Another prerequisite for the correct function of tensiometers is the correct installation. The porous
cup needs to be in good contact with the soil to connect the pore system of the soil and the porous
material. Tensiometers should be installed in moist soil, if possible. When using an auger for the
installation, the diameter of the borehole must be slightly smaller than the diameter of the porous cup.
During installation the mechanical force on the ceramic cup needs to be kept as low as possible.
Obstacles, such as rocks in the soil may result in cracks or fractures in the ceramic cup. This may cause
the system to leak and therefore not to be functional anymore. Please refer to the according chapters
of this manual for detailed and tensiometer-specific information on the installation and maintenance
of the tensiometers.
