... to all kinds of medium 4.CE.UL.RoHS.ISO Explosion-proof ultrasonic level meter for distance measurement Ultrasonic levelmeter working ... Such as: storage tank, materials trough, pool, well, Drains, measuring boxes, granaries, silo, etc.Specifications 1.Power supply: DC24V(±10%),0 ... range: ±0.1MP12.Body size: 170X100X70mm13.nstallation : Wall hanging Explosion-proof compact type ultrasonic level meter