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Water sensor : ウィキペディア英語版 | Water sensor The Water in Fuel Sensor or WiF sensor indicates the presence of water in the fuel. It is installed in the fuel filter and when the water level in the water separator reaches the warning level, the Wif sends an electrical signal to the ECU or to dashboard (lamp). The WiF is used especially in the Common Rail engines to avoid the Fuel injector damage. The WiF sensor uses the difference of electric conductivity through water and diesel fuel by 2 electrodes. First generation WiF sensors use a potting resin to isolate the electronic circuit, while the latest generation of Wif sensors (the WS3 sensor in Surface-mount technology) are made totally without leakage using an innovative co-moulding process. The latest generation of WiF sensors have a high resistance to vibrations and to thermal excursion cycles. The main automotive WiF designer and producer is (SIGMAR ).
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Water sensor」の詳細全文を読む
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