| 摘要 |
PROBLEM TO BE SOLVED: To acquire a piping checker which is compact and lightweight to facilitate both carry-in to the worksite or the like and handling thereof as a tool for preventing the erroneous connection of piping. SOLUTION: In the piping checker, one casing 1 is provided with an inlet nipple 2 and an outlet nipple 3 for allowing air to flow in and flow out. The inlet nipple is connected with a float-type flowmeter 6 through a first tube 8. The float-type flowmeter is connected with a micro pump 4 through a second tube 10. The micro pump is connected with the outlet nipple through a third tube 11. The first tube, float-type flowmeter, second tube, third tube, micro pump, and battery for driving the micro pump are accommodated in the casing. COPYRIGHT: (C)2011,JPO&INPIT
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