HOBO Water Level (100 ft) Data Logger U20L-02

HOBO U20L-02 adalah data logger ketinggian air tingkat penelitian berbiaya rendah untuk terus mengukur ketinggian dan suhu air di berbagai lingkungan bawah air. Ini memiliki akurasi 0,1%, rumah polipropilen untuk digunakan di air tawar dan air asin, dan desain tanpa ventilasi untuk pemasangan yang nyaman dan bebas repot.

Data logger ini memerlukan U-DTW-1 Waterproof Shuttle atau Base-U-4 Base Station untuk konfigurasi dan pembongkaran data, perangkat lunak HOBOware (unduh gratis). CATATAN: HOBOware Pro diperlukan saat menggunakan Pesawat Ulang-alik Tahan Air U-DTW-1

HOBO Water Level Data Logger U20L-02 adalah alat perekam ketinggian air tingkat penelitian berbiaya rendah untuk terus mengukur ketinggian dan suhu air di berbagai lingkungan bawah air. Ini memiliki akurasi 0,1%, rumah polipropilen untuk digunakan di air tawar dan air asin, dan desain tanpa ventilasi untuk pemasangan yang nyaman dan bebas repot.

Parameter Apa yang Diukur Oleh HOBO U20L Water Level Data Logger?

The U20L-02 data logger dapat mengukur parameter berikut: Tekanan Absolut, Tekanan Barometrik, Suhu, dan Ketinggian air.

Fitur

Water level data logger ini memiliki desain mandiri tanpa ventilasi memungkinkan penyebaran yang mudah
Ideal untuk digunakan di lingkungan air tawar dan air asin, termasuk sumur, sungai, danau, lahan basah, dan daerah pasang surut
Kedalaman hingga 100 kaki
Sensor tekanan keramik tahan lama tahan terhadap pembekuan
Perangkat lunak HOBOware Pro menyediakan konversi yang mudah ke pembacaan ketinggian air yang akurat, kompensasi penuh untuk tekanan barometrik (lihat demo), suhu, dan kepadatan air

Spesifikasi

Pressure (Absolute) and Water Level Measurements U20L-02
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: ±0.1% FS, 3.0 cm (0.1 ft) water Maximum error: ±0.2% FS, 6.0 cm (0.2 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 at a 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), 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%)	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)
Weight	Approximately 154 g (5.43 oz) in air Approximately 53.9 g (1.9 oz) in fresh water
Dimensions	3.18 cm (1.25 inches) diameter, 15.24 cm (6.0 inches) length; mounting hole 6.3 mm (0.25 inches) diameter
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. Refer to the HOBOware User’s Guide for details.
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
	The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

* Water Level Accuracy: With accurate reference water level measurement, known water density, accurate Barometric Compensation Assistant data, and a stable temperature environment.

** Raw Pressure Accuracy: Absolute pressure sensor accuracy includes all sensor drift, temperature, and hysteresis-induced errors.

*** Changes in Temperature: Allow 20 minutes in water to achieve full temperature compensation of the pressure sensor. Maximum error due to rapid thermal changes is approximately 0.5%.

Kategori: Aquatic Ecology, Construction Compliance Solutions, Dam Management, Dam Management, Ecology, Ecology, ENVIRONMENTAL COMPLIANCE, Green Space Monitoring, Hydrology and Groundwater Monitoring, Precision Livestock Monitoring, Underwater, USB, Water Level Data Logger, Watershed Management, Watershed Management, Wetland and Stormwater Tag: hobowl

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Deskripsi

Pressure (Absolute) and Water Level Measurements U20L-02
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: ±0.1% FS, 3.0 cm (0.1 ft) water Maximum error: ±0.2% FS, 6.0 cm (0.2 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 at a 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), 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%)	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)
Weight	Approximately 154 g (5.43 oz) in air Approximately 53.9 g (1.9 oz) in fresh water
Dimensions	3.18 cm (1.25 inches) diameter, 15.24 cm (6.0 inches) length; mounting hole 6.3 mm (0.25 inches) diameter
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. Refer to the HOBOware User’s Guide for details.
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
	The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

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