In-Situ - Aqua TROLL 500 Multiparameter Probe
Flexible multi-parameter sonde with interchangeable sensors, the Aqua TROLL 500 replaces multiple instruments and saves time in the field to reduce overall monitoring costs.
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Records water level, pressure, and temperature. Non-vented only options available. Periodic data download.

Records water level, pressure, and temperature. Non-vented only options available. Use for real-time data applications.

Records barometric pressure to compensate for changes in water level due to barometric fluctuations. Titanium construction, 1-inch diameter.

Non-Vented only (for vented use Model 500). The model 400 records water level, pressure, and temperature.