Ultrasonic level meter. SIN-P260 Submersible level meter. Category: Hydrostatic level meter. Views: 810. Applications: SIN-P260 series water level meter arepletely sealed for submersion in liquid, can be used to measure water level, well depth, groundwater leverl and so on,mon accuracy is 0.5%FS,with voltage or 4-20mA output signals , Datasheet.