Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands, as well as barometric pressure.
Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands, as well as barometric pressure.
Features
Applications
Pressure Sensor | |
Operation Range | 0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at 3,000 m (10,000 ft) of altitude |
Factory Calibrated Range | 69 to 400 kPa (10 to 58 psia), 0 to 40°C (32 to 104°F) |
Burst Pressure | 500 kPa (72.5 psia) or 40.8 m (134 ft) Depth |
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 |
Raw Pressure Accuracy | 0.3% FS, 1.20 kPa (0.17 psi) Maximum Error |
Resolution | < 0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) Water |
Pressure Response Time | 90% < 1 Second |
Temperature Sensor | |
Operation Range | -20 to 50°C (-4 to 122°F) |
Accuracy | 0.37°C at 20°C (0.67°F at 68°F), See Plot A |
Resolution | 0.1°C at 20°C (0.18°F at 68°F) (10-bit) |
Response Time (90%) | 3.5 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) |
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) |
Dimensions | 2.46 cm (0.97") Diameter, 15 cm (5.9") Length; Mounting Hole 6.3 mm (0.25") Diameter |
Weight | Approximately 210 g (7.4 oz) |
Wetted Materials | 316 Stainless Steel, Viton O-Rings, Acetyl Cap, Ceramic Sensor |
Shock/Drop | Logger is sensitive to shocks. Handle with care and avoid any impact. Always use proper packaging when shipping the logger. |
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. Refer to HOBOware software manual. |
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. |
Click on a category to view a selection of compatible accessories with the Onset HOBO KIT-D-U20-02 Water Level Data Logger Deluxe Kit, 100'.
Pressure Sensor | |
Operation Range | 0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at 3,000 m (10,000 ft) of altitude |
Factory Calibrated Range | 69 to 400 kPa (10 to 58 psia), 0 to 40°C (32 to 104°F) |
Burst Pressure | 500 kPa (72.5 psia) or 40.8 m (134 ft) Depth |
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 |
Raw Pressure Accuracy | 0.3% FS, 1.20 kPa (0.17 psi) Maximum Error |
Resolution | < 0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) Water |
Pressure Response Time | 90% < 1 Second |
Temperature Sensor | |
Operation Range | -20 to 50°C (-4 to 122°F) |
Accuracy | 0.37°C at 20°C (0.67°F at 68°F), See Plot A |
Resolution | 0.1°C at 20°C (0.18°F at 68°F) (10-bit) |
Response Time (90%) | 3.5 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) |
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) |
Dimensions | 2.46 cm (0.97") Diameter, 15 cm (5.9") Length; Mounting Hole 6.3 mm (0.25") Diameter |
Weight | Approximately 210 g (7.4 oz) |
Wetted Materials | 316 Stainless Steel, Viton O-Rings, Acetyl Cap, Ceramic Sensor |
Shock/Drop | Logger is sensitive to shocks. Handle with care and avoid any impact. Always use proper packaging when shipping the logger. |
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. Refer to HOBOware software manual. |
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. |
Click on a category to view a selection of compatible accessories with the Onset HOBO KIT-D-U20-02 Water Level Data Logger Deluxe Kit, 100'.