HM-90S Series
HITROL CO., LTD.
3
Overview
Operating
Principles
Characteristics
HM-90S Series is a level switch with ON/OFF contact signals to detect upper and lower
limits of vessel. It has a solid structure and high reliability. It is mainly used as a water
level detector for boilers of power plants and refining equipment of petrochemical
plants.
Core
Base
Cooling Fin
(For high temp.)
Cover
Enclosing Tube
Float
Switch Block
When the level of the object to be measured rises, the float also rises due to buoyancy
and, accordingly, the connected core also rises. When the core rises, a switch block
magnet responds to the core so as to trigger the switch.
■ Solid structure and long service life
■ Current operation state display
■ Customizable with special material (alloy)
■ Ex-proof type available (HM-90S-Ex, HM-90SH-Ex)
