Hobo U20 Water Level Logger
High-precision, easy-to-operate, cost-effective water level measurement logger!
The "Hobo U20 Water Level Logger" is a cost-effective water level measurement logger that is highly accurate and easy to operate. It integrates the sensor, memory, and battery, eliminating the need for labor-intensive maintenance tasks such as installing vent tubes or replacing desiccants. 【Features】 ■ Choose from four measurement ranges ■ No vent tube required for easy installation ■ Available in two types: stainless steel (for freshwater) and titanium (for brackish/seawater) ■ Durable ceramic pressure sensor with low failure rate ■ Comes with a calibration certificate *For more details, please refer to the catalog. Feel free to contact us with any inquiries.
basic information
【Specifications/U20-001-01・U20-001-01-TI】 <Water Level Sensor (Pressure Sensor)> ■Measurement Range: 9m ■Calibration Range: 69–207kPa ■Burst Pressure: 310kPa, approximately 18m depth ■Accuracy: ±0.05%FS, 0.5cm ■Resolution: <0.02kPa, 0.21cm water level <Temperature Sensor> ■Measurement Range: -20–50℃ ■Accuracy: ±0.44℃ (0–50℃) ■Resolution: 0.1℃ (25℃) ■Response Time (90% change): 3.5 minutes (in water) <Common Specifications> ■Time Accuracy: ±1 minute/month (0–50℃) ■Housing: 316 Stainless Steel (Standard Type), Titanium (Seawater Compatible Type) ■Power Supply: Built-in dedicated battery (replaceable at US factory) ■Battery Life: Approximately 5 years ■Recording Capacity: Non-volatile memory 64kB (approximately 21,700 points for pressure/temperature set) ■Interval: 1 second to 18 hours (user-configurable) ■Dimensions: 24.6mmφ × 150mm long, 6.3mmφ mounting hole ■Weight: Standard Type: 210g, Seawater Compatible Type: 140g ■NIST: Calibration certificate included as standard *For more details, please refer to the catalog. Feel free to contact us with any inquiries.
Price range
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Applications/Examples of results
【Measurement Items】 ■ Water level, absolute pressure, atmospheric pressure, temperature *For more details, please refer to the catalog. Feel free to contact us.
