“FOR:MACHINERY:WATER INGRESS ALARM SYSTEM
MAKER: Yamamoto Electric Instrument Co.Ltd
TYPE: SEM-DS
SERIAL No:3296
DRAWING No:328400041
BOOK/PAGE No:H-5-31, sheet No: 1-1,1-13” “LEVEL SENSOR (TYPE DS-P2F)
MAX. PRE : 2MPA (-15 / 80C) PROTECTION OF ENCLOSURE IP68;DRAWING NO:YL-DS2PF” YAMAMOTO ELECTRIC.SEM-DS.NA