... 1,Resistivity is very low,Drop resistance characteristics 2,Module With Low Resistance Grounding module Application Description: DGM-JGM Series grounding module,is a ... physical type of inorganic product drop resistance,free of chemical pollutants,resistivity as low as 0.15Ωm. Long- ... of metal electrodes.Key words : Module With Low Resistance Grounding,Low Resistance Grounding,Connection Module