Onset U20L-04
HOBO Water Level Data Logger, 13 ft.
U20L04
U20L-04
Onset U20L-04
HOBO Water Level Data Logger, 13 ft.
U20L04
U20L-04
The Onset U20L04 HOBO Water Level Data Logger (13 ft.) is suited for continuous monitoring of water level and temperature at depths of up to 13 feet in a wide range of underwater environments. The non-vented design allows for convenient deployment of the logger and the polypropylene housing allows for use within both freshwater and saltwater environments.
- Absolute Pressure/Water Level Operation Range: 0 - 145 kPa (0 - 21 psia)
- Temp. Range: -4° - 122°F
- NOTE: This product requires HOBOware software (USB interface cable included with BHW-PRO-CD purchase, ONLY)
- Self-contained non-vented design enables easy deployment
- Ideal for use in both fresh and saltwater environments, including wells, streams, lakes, wetlands, and tidal areas
- Depths up to 13 feet
- 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
- Pressure (Absolute) and Water Level Measurements U20L-04
- Operation Range: 0 to 145 kPa (0 to 21 psia); approximately 0 to 4 m (0 to 13 ft) of water depth at sea level, or 0 to 7 m (0 to 23 ft) of water at 3,000 m (10,000 ft) of altitude
- Factory Calibrated Range: 69 to 145 kPa (10 to 21 psia), 0° to 40°C (32° to 104°F)
- Burst Pressure: 310 kPa (45 psia) or 18 m (60 ft) depth
- Water Level Accuracy: Typical error: ±0.1% FS, 0.4 cm (0.013 ft) water
- Maximum error: ±0.2% FS, 0.8 cm (0.026 ft) water
- Raw Pressure Accuracy: ±0.3% FS, 0.43 kPa (0.063 psi) maximum error
- Resolution: <0.014 kPa (0.002 psi), 0.14 cm (0.005 ft) water
- Pressure Response Time (90%): <1 second at stable temperature; measurement accuracy also depends on temperature response time
- Temperature Measurements
- 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)
- Resolution: 0.10°C at 25°C (0.18°F at 77°F)
- Response Time (90%): 10 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)
- Battery: 2/3 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)
- Wetted Materials: Polypropylene housing and lanyard; Viton and Buna-N O-rings; ceramic sensor in acetyl end cap; stainless steel screws suitable for saltwater
- Logging Interval: Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours
- Launch Modes: Immediate start and delayed start
- Offload Modes: Offload while logging; stop and offload
- Battery Indication: Battery voltage can be viewed in status screen and optionally logged in datafile; low battery indication in datafile
- Environmental Rating: IP68
- Environments: For use in outdoor and water environments
- Measurements: Absolute Pressure, Barometric Pressure, Temperature and Water Level
The Onset U20L-04 HOBO Water Level Data Logger, 13 ft. is a research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments. It features 0.1% measurement accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment.
This data logger requires either the U-DTW-1 Waterproof Shuttle or the Base-U-4 Base Station for configuration and data offload.
Note: U20L-04 requires the HOBOware software (free to download) to operate, and either a U-DTW-1 Waterproof Shuttle or the Base-U-4 Optic USB Base Station for configuration and data offload. Please also note that a USB interface cable comes with the purchase of a HOBOware Pro CD (BHW-PRO-CD), only.
| Country of Origin | United States |
|---|---|
| Brand | Onset |
| Condition | NEW |
| Vendor Alias | U20L-04 |
- 1 - HOBO 13 ft. Freshwater/Saltwater Water Level Data Logger
