50 Meters Steel Ruler Water Level Measuring Instrument

1. Use a 9V battery 2. Measuring range: 0-500 3. Resolution: 1.0mm 4. Measuring accuracy: 0.2mm 5. Wide adaptability 6. Low consumption, durable 7. Accurate measurement and clear reading 8. Fast detection speed and high sensitivity 9. Adapt to the water quality of various environments and regions 10. Scope of use: tunnel lining, bridges, slopes, docks, gates, continuous walls 11. The use of anti-grading excitation circuit and corrosion-resistant electrode can effectively prevent the electrode from oxidizing and rusting, and keep the sensitivity unchanged for long-term use 12. Size: 30x43x14.5cm 13. Net weight: 2.7kg for 10 meters, 3.3kg for 20 meters, 2.85kg for 30 meters, 2.95kg for 50 meters, 4.3kg for 100 meters