Detection method
Fluid level detection
Detects vertical movement of a ring magnet due to an increase or decrease in the fluid level of the measured object.
- Mode lnos.
- ORD221, ORD2211 etc.

Rotation detection
As the impeller rotates due to fluid pressure, a magnet rotates also, and a contact goes ON/OFF.
- Mode lnos.
- ORD228VL etc.
