The Solinst LevelVent 5 is a vented version of ourpopular Levelogger®. The highly-accurate dataloggeris designed to record water level and temperaturemeasurements during shallow groundwater and surfacewater deployments.The LevelVent 5 logger contains pressure andtemperature sensors, a battery, memory for up to150,000 data logs, and hydrophobic filter within a22 mm x 173 mm (7/8" x 6.8") stainless steel housingwith a corrosion-resistant coating.The LevelVent uses a gauged pressure transducer; itis open to the atmosphere via a vented cable to thewellhead. The compact LevelVent wellhead is designedto fit in a Solinst 2" Well Cap Assembly, and provideseasy connection for communication accessories.The vented cable and Solinst LevelVent 5 loggerare protected from moisture by permanent, built-indesiccants and hydrophobic filters in the logger and thewellhead.The vented pressure transducer is made of Hastelloy®,making it extremely durable and accurate in a wide rangeof temperature and monitoring conditions. The sensorprovides an accuracy of 0.05% FS, and can withstand2 times over-pressure without permanent damage.