The Rugged BaroTROLL measures and logs barometric pressure and temperature to compensate the Rugged TROLL 100 and 200's non-vented (absolute) water level data for barometric fluctuations. Titanium construction and a 10+ year internal battery keep it running maintenance-free for years in the field.

Quick data access via telemetry, direct-read cable, or docking station. Pair with Baro Merge software to automatically post-correct water level measurements — apply a fixed correction, manually enter correction values, or correct multiple data logger files from a single BaroTROLL log file — then graph, report, and export to Excel or other applications.

Range: Titanium construction, 1-inch diameter