Van Essen Instruments Baro-Diver

Pressure transducer with integrated logger

Part # 51144-500

baro-diver

The Baro-Diver provides reliable automatic measurement and registration of groundwater level and temperature data. Measuring 0.86 inches (22 mm) in diameter and 3.54 inches (90 mm) in length, it is a great choice for virtually any monitoring well.

The Baro-Diver is available with a measurement range of 4.92 ft (1.5 m). For each measurement, the Baro-Diver simultaneously registers barometric pressure, groundwater temperature, date and time.

Based on proven, innovative technology, the Baro-Diver has an impressive internal memory capable of storing 24,000 measurements per parameter. This is essentially one measurement every ten minutes for six months.

In addition to internal data storage, the Baro-Driver can be connected to an external data logger, such as the DataLogIC 3000, or data telemetry systems with the Diver-DCX SDI-12 output adapter, allowing the Diver to be used for real-time data monitoring applications.

Manual data download in the field from a Diver’s internal storage can be done by utilizing the optional USB Interface Cable and connecting the diver directly to a desktop or laptop PC.

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Technical Specifications

Power

Internal Battery, 10-year life with "typical" use

  • 5 million measurements
  • 2,000 readout cycles
  • 2,000 programming cycles

Sample interval

0.5 seconds to 99 hours

Data output options

  • SDI-12 when connected to Diver-DCX converter box
  • Manual data download using USB interface cable connected to computer
  • Manual data download using "Diver Mate" or "Diver USB Reading Unit" accessories

Operating temperature, compensated

32 °F to 122 °F (0 °C to 50 °C)

Temperature accuracy

± 0.18 °F

Temperature resolution

0.018 °F

Wetted parts materials

Housing: Stainless Steel (316L)
O-rings: Viton®
Pressure sensor: ceramic (AI2O3)
Cap / nose cone: Nylon PA6 30% glass fiber

Physical size

3.54 in (L) x Ø 0.86 in (90 mm x Ø22 mm) including suspension eye

Weight

1.92 oz (54.4 grams)

Depth Range Typical Accuracy Long-Term Stability Resolution
4.92 ft (1.5 m) ± 0.19 in (0.5 cm) ± 0.78 in (2 cm) 0.04 in (0.1 cm)