No-vent-tube design for easy and reliable deployment. Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries.
No-vent-tube design for easy and reliable deployment. Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries.
HOBO Water Level data loggers offer high accuracy at an affordable price, with no cumbersome vent tubes or desiccants to maintain. These data loggers are ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries.
Features
Applications
Pressure and Water Level Measurements Operation Range | 0 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 Range | 69 to 207 kPa (10 to 30 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: ±0.05% 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 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 |
Resolution | 0.10°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 |
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) |
Weight | Stainless Steel Models: Approximately 210 g (7.4 oz) |
Click on a category to view a selection of compatible accessories with the Onset HOBO U20-001-01 Water Level Data Logger, 30', stainless steel.
Pressure and Water Level Measurements Operation Range | 0 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 Range | 69 to 207 kPa (10 to 30 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: ±0.05% 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 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 |
Resolution | 0.10°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 |
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) |
Weight | Stainless Steel Models: Approximately 210 g (7.4 oz) |
Click on a category to view a selection of compatible accessories with the Onset HOBO U20-001-01 Water Level Data Logger, 30', stainless steel.