A Model SIS 9000 Series Porous Tube & CasagrandeStandpipe Piezometer are considered to be more reliable than other types andused to measure water level and artesian heads in embankments and foundation ofdams and reservoir, uplift pressure in hill side highways and undergroundworks. It is more sensitive to foundation pressure and is more resistant toplugging due to silting the system is installed in a borehole of requireddepth.
- Highly reliable operation
- Can also be used in groundwater sampling
- Negligible maintenance requirements