Thermal Needle Probe measurement Thermal Needle Probe measurement
Thermal needle probe measurements are used to measure ground conductivity at shallow depths.
Thermal needle probe measurements are used to measure ground conductivity at shallow depths.
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What is a needle probe measurement?
A thermal needle probe is used to measure the thermal conductivity of the ground at shallow depths where a larger ground source scheme using horizontal ground collectors is proposed. The ground is augured by our technician and various measurements are taken. The data is then analysed and a geometric mean conductivity is arrived at for the site.
What comes next?
The conductivity value can then be used to size the horizontal ground collectors. On larger schemes the conductivity is modelled in ground loop design modelling software together with the heating load profile of the building to determine the amount of ground collector pipe required.
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