| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump and a versatile adsorption vacuum tester for water absorption piping vacuum state diagnosis, wherein an aeration inlet such as a switching valve and a suction hose can meet large and small diameters by separating a capacity of a lifting pump and a water absorption piping associated therewith, and a faulty position can be quickly identified by a partial one-touch adsorption at a suitable position in a versatile manner.SOLUTION: A pump and a versatile adsorption vacuum tester for water absorption piping vacuum state diagnosis comprise a vacuum meter 1 and a vacuum meter holder 8 that is fixed and integrated with a coil-like hose 2, an airtight sucker 3, and a magnet disk 4. |
