Titanium water level recorder (30m) U20-001-02-Ti

THE'recorder de water level U20-001-02-Ti is a data recorder robust and reliable in titanium, designed to measure the level and temperature water in various environments, ranging from shallow wells to freshwater wetlands or salt water/brackish, including tidal zones.
It offers a great measurement accuracy and does not require ventilation tubes or bulky dehydratants, thus simplifying its use and its maintenance.
The U20-001-01-Ti is able to measure the water level up to 30 m deep.
This makes it a valuable tool for monitoring water levels in various applications, including'water supply, the environmental monitoring and hydrological studies.
In addition to measuring the water level, this recorder can also monitor the water temperature, which is a crucial parameter in many applications, particularly to understand the seasonal changes or daytime and their impact on aquatic ecosystems.
It is available in two versions, in stainless steel for environment'freshwater (such as lakes and streams) and titanium for salt water environments/brackish (as in coastal areas and tide).
Resistant materials guarantee sustainability in specific conditions.
The recorder is designed to be easy to use, without the need for ventilation tubes or bulky dehydratants to be maintained, this greatly simplifies the operation and maintenance of the apparatus.
For configure and extract saved data, you will need the software HOBOware Pro, as well as the optical USB base station Base-U-4.
The recorder offers a high precision in data collection, making it reliable for scientific and environmental applications.

LOCATION OF CAPTOR U20 

Technical specifications:

- Lightning protection: no long signal cables and electronic components are protected in a metal housing
- Software HOBOware Pro allows 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.
- Available in four deep beaches
- Ideal for use in wells, streams, lakes, wetlands and tidal areas
- Aeration tube-free design for easy and reliable deployment
- Available in stainless steel and titanium versions
- Durable ceramic pressure sensor
- NIST traceable calibration certificate in 3 points included

Features of the water pressure and level sensor (titanium):

- Operating range: 0 to 400 kPa (0 to 58 psia), approximately 0 to 30.6 m (0 to 100 ft) water depth at sea level, or 0 to 33.6 m (0 to 111 ft) water at 3,000 m (10 000 ft) altitude
- Factory calibrated range: 69 to 400 kPa (10 to 58 psia), 0° to 40°C (32° to 104°F)
- Breaking pressure: 500 kPa (72.5 psia) or 40.8 m (134 ft) deep
- Water level accuracy*:
Typical error: ±0.05% FS, 1.5 cm (0.05 ft) water
Maximum error: ±0.1 % FS, 3 cm (0.1 ft) water
- Gross pressure accuracy**: ±0.3% FS, maximum error of 1.20 kPa (0.17 psi)
- Resolution: - Pressure response time (90%)*** :

* Water level accuracy : with precise measurement of the reference water level, known water density, accurate data from the barometric compensation assistant and a stable temperature environment.
** Accuracy of gross pressure the absolute accuracy of the pressure sensor includes all errors induced by sensor drift, temperature and hysteresis.
*** Temperature changes : Wait 10 minutes in the water to get a complete compensation of the pressure sensor temperature. The maximum error due to rapid thermal changes is about 0.5%.

Temperature sensor features:

- Operating 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 line A in the manual
- Resolution: 0.10°C to 25°C (0.18°F to 77°F), see track A in the manual
- Response time (90%): 5 minutes in water (typical)
- Stability (driving): 0.1°C (0.18°F) per year

Recorder Features:

- Real time clock: ± 1 minute per month 0° to 50°C (32° to 122°F)
- Battery: 2/3 AA, 3.6 V lithium, factory replaceable
- Battery autonomy (typical use): 5 years with a recording interval of at least 1 minute
- Memory (non-volatile): 64 KB memory (approximately 21,700 pressure and temperature samples)
- Weight: approximately 140 g (4.8 oz)
- Dimensions: 2.46 cm (0.97 inches) in diameter, 15 cm (5.9 inches) in length, 6.3 mm (0.25 inches) in diameter
- Wet materials: stainless steel 316, Viton O-rings, acetyl cap, ceramic sensor
- Journaling interval: fixed or multiple rate logging intervals, with up to 8 intervals and user-defined logging times, recording intervals from 1 second to 18 hours.
Refer to the HOBOware software manual.
- Launch modes: immediate start and delayed start
- Method of unloading: Unload during logging, stop and unload
- Battery indicator:
The battery voltage can be viewed on the status screen and possibly stored in a data file.
Low battery indication in the data file.
- Environmental assessment: IP68