The pressure gage can be used for testing welding seam quality of gemembrane.
Operating Instruction: pumping 0.2-0.3MPa into the cavity of the geomembrane welding seam.After 5 minutes,if the pointer does not move,that means the welding seam pass the inspection.
Features: simple operation, convenient to carry and reliable.Especially suitable for geomembrane welding seam test at the construction site