HOBO 30-Foot Depth Titanium Water Level Data Logger U20-001-01-Ti

Overview

The HOBO Water Level Titanium is recommended for saltwater deployment for recording water levels and temperatures in wetlands and tidal areas. This data logger features high accuracy at a great price and HOBO ease-of-use, with no cumbersome vent tubes or desiccants to maintain.

Helpful Links:

Sensor location drawing
Barometric Pressure Compensation Assistant Demo
Multi-rate Sampling Demo

Highlighted Features

  • Lightning protection – no long signal wires, and electronics are shielded in a titanium housing for use in saltwater
  • HOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure temperature, and water density.
  • Multiple-rate sampling allows faster sampling at critical times such as when pumping starts or stops.
  • Also available in narrow depth range (U20-001-04-Ti)
  • Ideal for use in wells, streams, lakes, wetlands and tidal areas
  • No-vent-tube design for easy reliable deployment
  • Available in stainless and titanium versions
  • Durable ceramic pressure sensor
  • 3-point NIST-traceable calibration certificate included

In what environment does this data logger operate?

This data logger operates in outdoor and underwater environments.

What measurements does this data logger support?

The U20-001-01-Ti data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Temperature and Water Level

Kategori:

Deskripsi

Pressure and Water Level Measurements U20-001-01 and U20-001-01-Ti
Operation Range0 to 207 kPa (0 to 30 psia); approximately 0 to 9 m (0 to 30 ft) of water depth at sea level, or 0 to 12 m (0 to 40 ft) of water at 3,000 m (10,000 ft) of altitude
Factory Calibrated Range69 to 207 kPa (10 to 30 psia), 0° to 40°C (32° to 104°F)
Burst Pressure310 kPa (45 psia) or 18 m (60 ft) depth
Water Level Accuracy*Typical error: ±0.05% FS, 0.5 cm (0.015 ft) water
Maximum error: ±0.1% FS, 1.0 cm (0.03 ft) water
Raw Pressure Accuracy**±0.3% FS, 0.62 kPa (0.09 psi) maximum error
Resolution<0.02 kPa (0.003 psi), 0.21 cm (0.007 ft) water
Pressure Response Time (90%)***<1 second; measurement accuracy also depends on temperature response time
Temperature Measurements (All Models)
Operation Range-20° to 50°C (-4° to 122°F)
Accuracy±0.44°C from 0° to 50°C (±0.79°F from 32° to 122°F), see Plot A in manual
Resolution0.10°C at 25°C (0.18°F at 77°F), see Plot A in manual
Response Time (90%)5 minutes in water (typical)
Stability (Drift)0.1°C (0.18°F) per year
Logger
Real-time Clock± 1 minute per month 0° to 50°C (32° to 122°F)
Battery2/3 AA, 3.6 Volt lithium, factory-replaceable
Battery Life (Typical Use)5 years with 1 minute or greater logging interval
Memory (Non-volatile)64K bytes memory (approx. 21,700 pressure and temperature samples)
WeightStainless steel models: approximately 210 g (7.4 oz)
Titanium models: approximately 140 g (4.8 oz)
Dimensions2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter
Wetted MaterialsTitanium, Viton® o-rings, acetyl cap, ceramic sensor
Logging IntervalFixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours. Refer to the HOBOware software manual.
Launch ModesImmediate start and delayed start
Offload ModesOffload while logging; stop and offload
Battery IndicationBattery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.
Environmental RatingIP68

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