JUST BETTER DV-22N Digital Vacuum Gauges Instruction
JUST BETTER DV-22N Digital Vacuum Gauges Instruction CLEANING THE SENSOR If your vacuum gauge is behaving erratically, cleaning the sensor may be necessary. Use isopropyl (isopropanol) alcohol only. Do NOT use denatured alcohol as it leaves residue after evaporation. Do not use other solvents as they may be too corrosive and permanently damage the sensor … Read more