“EQUIPMENT: WATER INGRESS ALARM SYSTEM;
MAKER: SHANGHAI RONGDE ENGINEERING EQUIPMENT CO., LTD.;
MODEL: RDHL-D” FLOAT SENSOR (TYPE: RDHL-B2, SIGNAL: NORMAL-3KΩ/ALARM-1.5KΩ(BEED SWITCH IS NC TYPE),IP68, SUS304); DRAWING NO.: 2366-1132-1-31 SHANGHAI RONGDE ENGINEERING.RDHL-D.B