In-Situ Level TROLL 400 Data Logger Configuration:Non-Vented, 30 PSIA (11m / 35 ft) The Level TROLL NC is

The Level TROLL NC is a high-performance

Groundwater level and well-depth monitoring

They are particularly effective for shallow depths or when targeting areas where soil probes or core samplers can be used

or non-vented (absolute) ranges up to 1000 psia

1 Each Drain Tray - Flat working platform for sample bottles and flow cell

In-Situ Level TROLL 400 Data Logger Configuration:Non-Vented, 30 PSIA (11m / 35 ft) The Level TROLL NC isUnless you need vented level data, the Level TROLL 400 is In Situ's low maintenance option: it measures and logs water level, water pressure, and temperature in non vented (absolute) pressure ranges, with no desiccant required. That makes it ideal for long term monitoring at flood prone or high humidity sites where a vented cable isn't practical. 3D factory calibration and In Situ's anti drift system keep readings accurate, and durable titanium