Minitronix supplies earth resistivity meters. Earth resistivity meters are useful, for exploring groundwater and studying lithological formation of the earth. Moreover, an earth resistivity meter is needed for discovering and measuring the depth of bedrock, in order to determine the foundation depth. The instrument saves considerable time and amount spent for sample drilling to locate the bedrock. It is highly popular as an instrument among geologists and state government agencies for groundwater exploration. Equal is its importance for construction companies so as to estimate the foundation depth before construction. An earth resistivity meter comprises of an amplifier and a generator. The generator generates 200/400 v at 4 hz from a 12 v battery. The amplifier measures the voltage across two electrodes. This arrangement provides the resistivity of the earth up to a depth, determined by the spacing of electrodes. The instrument delivers high power to the ground. This earth resistivity meter gives better signal to noise ratio and the readings are stable. Knowledge of geology or experience is required for using the instrument.
