Technical parameters: Range: 0 ~ 1000cm recording interval: 1 minute to 24 hours adjustable Communication Interface:.. USB 2.0 probe line length: 10m (standard) recording capacity:. ≥8000 bar Operating voltage: 6 1.5v batteries or link 9v adapter working environment:. -20 ℃ ~ 80 ℃ Accuracy:. 1cm Power consumption: Maximum operating current <6mA (no external control output) functions and features: This machine compact and beautiful simple operation, reliable performance, recording intervals are available upon request from 1 minute to 24 hours in any setting. Small machine power, the whole track record water level data, records a long time, data acquisition, recorded in one, and have historical data is automatically stored after power failure protection function, effectively storing the collected information. Powerful software, data viewing, easy to operate, reliable performance. Ready to import the data logger to the computer, and can be stored as EXCEL spreadsheet file. Scope: Widely used in hydrological station, environmental protection, agriculture, forestry, shipbuilding and other industries to provide the most accurate record of water level data.