The NG2i, NG3i, and NG4i electronic sensors are liquid capacitive based inclinometers for measuring the tilt angle of any object with respect to gravity.
Features
4 to 20 mA Output (2 wire)
Single Supply Input
Low Power Consumption
-40°C to +85°C Operating Temperature Range
IP65 Packaging
Shock Resistant
Applications  
Crane, Excavator, & Conveyor Leveling
Pitch & Roll Measurements for Aircraft & Ships
Vehicle Tilt Monitoring
Mining & Drilling Position Feedback
Embankment & Slope Control