Ruler Level Indicator (Stage/Staff Gauge)
Ruler Level Indicator - A common standard visual indicator to determine the surface water level and implemented in rivers, streams, channels, reservoirs and dams.
Features:
- Time-proven basic visual reference of water level measurement
- Easy to see and read
- Available in many standard sizes
- Custom scales, sizes and colors
- Pre-numbered or 'build your own' options
- Rugged and...