Autographic Level Indicator

vanEssen TD Diver

Autographic Level Indicator

vanEssen TD Diver

The TD-Diver is an autographic sensor designed for long-term, real-time monitoring of water levels. Data is collected through a submerged pressure sensor, positioned at a fixed depth below the water surface. The sensor autonomously measures pressure and temperature, recording them in its internal memory. It is ideal for both groundwater and surface water applications. It features a stainless steel (316 L) housing with a diameter of 22 mm. It can store up to 72,000 measurements (date/time, pressure, and temperature) in its main memory and 72,000 measurements in its backup memory.

Technical Specifications

Length
110 mm
Diameter
22 mm
Memory
72,000 measurements with backup
Weight
104 grams
Housing
stainless steel 316L
Battery life
up to 10 years (dependent on usage)
Sample interval
½ second to 99 hours
Sample methods
Fixed interval

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