| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil feeder capable of also coping with a case of mixing of water and air into fuel oil from a region of a metering instrument side rather than an underground tank by correctly detecting the mixing of water and air into the fuel oil to be fed by the metering instrument.SOLUTION: An oil feeder is provided with a fluid foreign matter detection means (water/air detection means 50) to a piping system (2) sending fuel oil, and has a control device (10) reporting the mixing of fluid foreign matter by output from the fluid foreign matter detection means (50). |
