Merekam ketinggian air dan suhu hingga kedalaman 100 kaki tanpa tabung ventilasi atau pengering yang rumit untuk dirawat. Tersedia dalam stainless-steel untuk sumur dangkal, sungai, danau, dan lahan basah air tawar. Dan material titanium untuk lahan basah air asin/payau dan daerah pasang surut.
- Proteksi petir – tidak ada kabel sinyal panjang, dan elektronik terlindung dalam wadah baja tahan karat untuk digunakan di air tawar (lihat gambar lokasi sensor pencatat Level Air)
- Perangkat lunak HOBOware Pro menyediakan konversi yang mudah ke pembacaan ketinggian air yang akurat, kompensasi penuh untuk suhu tekanan barometrik (lihat demo), dan kerapatan air.
- Pengambilan sampel dengan kecepatan ganda (lihat demo) memungkinkan pengambilan sampel yang lebih cepat pada saat-saat kritis seperti saat pemompaan mulai atau berhenti.
- Tersedia dalam 4 rentang kedalaman
- Ideal untuk digunakan di sumur, sungai, danau, lahan basah dan daerah pasang surut
- Desain tabung tanpa ventilasi untuk penyebaran andal yang mudah
- Tersedia dalam versi stainless dan titanium
- Sensor tekanan keramik tahan lama
- Sertifikat kalibrasi yang dapat dilacak NIST 3 titik disertakan
Pressure and Water Level Measurements U20-001-02 and U20-001-02-Ti | |
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 |
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; measurement accuracy also depends on temperature response time |
Temperature Measurements (All Models) | |
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 |
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 | Stainless steel models: approximately 210 g (7.4 oz) |
Dimensions | 2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter |
Wetted Materials | 316 stainless steel, Viton® o-rings, acetyl cap, ceramic sensor |
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 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. |
Environmental Rating | IP68 |
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |
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