Water Level Data Logger - eucatech Store
Water Level Data Logger - eucatech Store
Water Level Data Logger - eucatech Store

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Water Level Data Logger

R 10,967.04
SKU: U20L-04

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Variants:3m Water Depth Level Data Logger
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A low-cost, research-grade data logger for continuous monitoring of water level and temperature at depths of up to 13, 30, or 100 feet in a wide range of underwater environments. This logger features 0.1% measurement accuracy, a polypropylene housing for use in both freshwater and saltwater and a non-vented design for convenient and hassle-free deployment.

 

U20L optical interface illustration

Requires HOBOware Pro software and either a U-DTW-1 Waterproof Shuttle or the Base-U-4 Optic USB Base Station for configuration and data offload.

Documentation

Data Sheet
 User Manual

 

Highlighted Features

  • Self-contained, non-vented design enables easy deployment
  • Ideal for use in both freshwater and saltwater environments, including wells, streams, lakes, wetlands, and tidal areas
  • Depths up to 13, 30, or 100 feet depending on model
  • Durable ceramic pressure sensor withstands freezing
  • HOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure, temperature, and water density

Specifications

U20L-01

Feature Specification
Operation Range 0 to 207 kPa; 0 to 9 m at sea level, 0 to 12 m at 3,000 m altitude
Factory Calibrated Range 69 to 207 kPa, 0° to 40°C
Burst Pressure 310 kPa or 18 m depth
Water Level Accuracy Typical: ±0.1% FS, 1.0 cm; Max: ±0.2% FS, 2.0 cm
Raw Pressure Accuracy ±0.3% FS, 0.62 kPa max error
Resolution <0.02 kPa water; 0.007 ft water
Pressure Response Time (90%) <1 second at stable temperature

U20L-02

Feature Specification
Operation Range 0 to 400 kPa; 0 to 30.6 m at sea level, 0 to 33.6 m at 3,000 m altitude
Factory Calibrated Range 69 to 400 kPa, 0° to 40°C
Burst Pressure 500 kPa or 40.8 m depth
Water Level Accuracy Typical: ±0.1% FS, 3.0 cm; Max: ±0.2% FS, 6.0 cm
Raw Pressure Accuracy ±0.3% FS, 1.20 kPa max error
Resolution <0.04 kPa; 0.41 cm water
Pressure Response Time (90%) <1 second at stable temperature

U20L-04

Feature Specification
Operation Range 0 to 145 kPa; 0 to 4 m at sea level, 0 to 7 m at 3,000 m altitude
Factory Calibrated Range 69 to 145 kPa, 0° to 40°C
Burst Pressure 310 kPa or 18 m depth
Water Level Accuracy Typical: ±0.1% FS, 0.4 cm; Max: ±0.2% FS, 0.8 cm
Raw Pressure Accuracy ±0.3% FS, 0.43 kPa max error
Resolution <0.014 kPa; 0.14 cm water
Pressure Response Time (90%) <1 second at stable temperature

Temperature Measurements (All Models)

Feature Specification
Operation Range -20° to 50°C
Accuracy ±0.44°C from 0° to 50°C
Resolution 0.10°C at 25°C
Response Time (90%) 10 minutes in water
Stability (Drift) 0.1°C per year

Logger and Other Features (All Models)

Feature Specification
Real-time Clock ±1 minute per month 0° to 50°C
Battery 2/3 AA, 3.6 Volt lithium, factory-replaceable
Battery Life (Typical Use) 5 years with 1 min or greater logging interval
Memory (Non-volatile) 64K bytes (approx. 21,700 samples)
Weight Approx. 154 g in air; 53.9 g in fresh water
Dimensions 3.18 cm diameter, 15.24 cm length
Wetted Materials Polypropylene, Viton, Buna-N, ceramic, stainless steel
Logging Interval Fixed-rate or multiple, up to 8 user-defined intervals
Launch Modes Immediate start and delayed start
Offload Modes Offload while logging; stop and offload
Battery Indication Battery voltage in status screen and optionally logged
Environmental Rating IP68

Applications 

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 U20L-01 data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Temperature, and Water Level