Dwyer Instruments TL-2150

The Model LDL-030 Unvented Water Level Data Logger is a compact and portable device. It measures water level up to 30 ft (9.14 m) and has an internal temperature sensor that accurately records temperatures between -40 to 176°F (-40 to 80°C). The battery-powered data logger can store over 16,000 measurements per channel. The easy to use DL700 software allows the LDL-030 to be easily started and stopped from a PC or delayed to start up to six months in advance. The software also allows for user selectable sampling rates.