Gather and monitor water level data for years without having to replace batteries or equipment. In-Situ water level loggers are accurate, cost-effective, and survive in extreme conditions.
Professional and Premium models are available in vented and non-vented configurations.
Performance Level TROLLs
Research-grade accuracy and dependability. Ideal for specialized applications.
Professional Level TROLLs
Affordable and reliable. Ideal for sub-1 inch deployments.
Practical Rugged TROLLs
Low-cost and durable with versatile data collection options.