Can pH be measured with the sensor in the soil? Jeff Chan October 29, 2015 19:01 No, pH is a measurement in solution. Soil consists of solution, air and particles. Related articles Sensor Diagnostic How does the sensor in the POGO differ from other sensors? Do I have to insert the POGO fully into the turf/soil? Why does the POGO have 4 metal tines? Does the POGO directly measure salt / salinity?