Water Level Meters (In-Situ)
Water Level Meters provide long-term and instant monitoring of fluctuating water levels within vessels.
Product Categories
![In-Situ - Level TROLL 400 Data Logger](http://sensorpros.com/cdn/shop/products/Level_TROLL_400-1024x791_large.jpg?v=1701989788)
Non-Vented only (for vented use Model 500). The model 400 records water level, pressure, and temperature.
![In-Situ - Level TROLL 500 Data Logger](http://sensorpros.com/cdn/shop/products/Level_TROLL_500-1024x791_large.jpg?v=1701989822)
Vented only. Increased accuracy compared to non-vented units (i.e. LevelTroll 400). Records water level, pressure, and temperature in sub-1 inch applications.
![In-Situ - Level TROLL 700 Data Logger](http://sensorpros.com/cdn/shop/products/Level_TROLL_700-1024x791_large.jpg?v=1701989741)
Vented and Non-Vented. Specialized for aquifer characterization. Records water level, pressure, and temperature.
![In-Situ - Level TROLL 700H Data Logger](http://sensorpros.com/cdn/shop/products/Level_TROLL_700H-1024x791_large.jpg?v=1701989729)
Vented only. Meets the OSW Surface-Water Specification. Records water level, pressure, and temperature.
![In-Situ - Level BaroTROLL - Precision Pressure Barometer](http://sensorpros.com/cdn/shop/products/BaroTROLL-1024x791_large.jpg?v=1701989895)
Accuracy: ±0.05% FS TEB from -5 to 50° C (23 to 122° F). Highly Recommended. Includes mA, ModBus and SDI-12 Outputs. Eliminates the need for an STE (Sensor Termination Enclosure) for maintenance-free operation.
![In-Situ - Rugged TROLL 100 Data Logger](http://sensorpros.com/cdn/shop/products/Rugged_TROLL_100-1024x791_large.jpg?v=1701989771)
Records water level, pressure, and temperature. Non-vented only options available. Periodic data download.
![In-Situ - Rugged TROLL 200 Data Logger](http://sensorpros.com/cdn/shop/products/Rugged_TROLL_200_w_cable-1024x791_large.jpg?v=1701990027)
Records water level, pressure, and temperature. Non-vented only options available. Use for real-time data applications.
![In-Situ - Rugged BaroTROLL Data Logger](http://sensorpros.com/cdn/shop/products/Rugged_BaroTROLL-1024x791_large.jpg?v=1701989775)
Records barometric pressure to compensate for changes in water level due to barometric fluctuations. Titanium construction, 1-inch diameter.
![In-Situ - Water Level Meter 100](http://sensorpros.com/cdn/shop/products/Water_Level_Meter_100_575x432_4a924caf-f79e-49c7-8bac-a0bad2339a87_large.gif?v=1701989900)
The Water Level Meter 100 is an economical model, with a Kevlar-reinforced polyethylene tape and stainless steel conductors. Available in various sizes and lengths.
![In-Situ - Water Level Meter 200](http://sensorpros.com/cdn/shop/products/Water_Level_Meter_200_575x432_85a0f38e-a4f1-43e9-9a4f-2b1884199635_large.jpg?v=1701989750)
Engineer-grade tape designed for groundwater professionals, with high-tensile steel tape and stainless steel conductors. Available in various sizes and lengths.
![In-Situ - RuggedCable Systems (for Level & Aqua TROLL)](http://sensorpros.com/cdn/shop/products/RuggedCable-System_large.jpg?v=1701989796)
These cable systems utilize In-Situ's unique cabling system with quick disconnects. Vented and Non-Vented Cables, Polyurethane and Tefzel
![In-Situ - Suspension Cable](http://sensorpros.com/cdn/shop/products/Suspension_Cable-1024x768_large.jpg?v=1701989705)
These cable systems utilize In-Situ's unique cabling system with quick disconnects. Vented and Non-Vented Cables, Polyurethane and Tefzel