Level sensors
Two task types: discrete (yes/no) and continuous (0-100%).
Types
| Type | For | Price |
|---|---|---|
| Float | Discrete | $10-50 |
| Ultrasonic | Continuous | $100-400 |
| Capacitive | Both | $50-200 |
| Hydrostatic | Continuous | $80-300 |
| Radar | Aggressive | $300-1500 |
FAQ
Cheapest?
Float from $10.
Aggressive liquids?
Radar or PTFE-coated capacitive.
Ultrasonic vs hydrostatic?
Ultrasonic — top mount. Hydrostatic — submerged, more accurate.
Accuracy?
Ultrasonic: ±1-3 mm. Hydrostatic: ±0.25%. Radar: ±1 mm.
For borehole?
Submersible pressure sensor.
