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Welcome to our resistivity section Geotrade is the manufacturer of the memory earth GTR-2 resistivity meter, a high quality - cost effective instrument operating in over 20 countries throughout the world. About resistivity : Resistivity introduction GTR-2 : Earth resistivity meter GTE-6/1 : 200 / 400 W Power supply Ohm Mapper : An interriesting resistivity mapping device Winsev : Resistivity interpretiation software.
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