Aqua TROLL 500 Multiparameter Sonde 2026 MSRP Verified Multi-point factory calibration on every

Multi-point factory calibration on every sensor for linear response across the full range

With the optional wiper

Internal logging plus micro SD backup runs unattended on two D batteries

and mounting hardware

Aqua TROLL 500 Multiparameter Sonde 2026 MSRP Verified Multi-point factory calibration on everyThe Aqua TROLL 500 is a fully customizable five port multiparameter sonde with capacity for four interchangeable sensors plus an antifouling wiper. A smartphone interface delivers accurate data and enables simplified calibration, panoramic data view, and report creation. Ideal for spot checking and profiling with a TROLL Com Plus, or long term monitoring with VuLink telemetry. Corrosion resistant titanium construction stands up to harsh environments,