Deskripsi
HOBO water level data logger memiliki akurasi tinggi dengan harga tinggi dan kemudahan penggunaan, tanpa tabung ventilasi atau pengering yang rumit untuk dirawat. Data logger ini sangat ideal untuk merekam tingkat air dan suhu di sumur dangkal, aliran, danau dan lahan basah air tawar.
Fitur
- Proteksi petir – tidak ada kabel sinyal panjang, dan elektronik terlindung di casing berbahan stainless steel untuk digunakan dalam air tawar
- Perangkat lunak HOBOware Pro memberikan konversi yang mudah ke pembacaan ketinggian air yang akurat, tekanan barometrik, dan kepadatan air.
- Pengambilan sampel multi-rate memungkinkan pengambilan sampel lebih cepat pada waktu-waktu kritis seperti ketika pemompaan dimulai atau berhenti.
- Tersedia dalam 4 rentang kedalaman
- Ideal untuk digunakan di sumur, aliran, danau, lahan basah, dan daerah pasang surut
- Desain tanpa ventilasi untuk pemasangan yang mudah dan andal
- Tersedia dalam versi stainless dan titanium
- Sensor tekanan keramik tahan lama
- Termasuk sertifikat kalibrasi NIST
Spesifikasi
| Pressure and Water Level Measurements U20-001-03 and U20-001-03-Ti | |
| Operation Range | 0 to 850 kPa (0 to 123.3 psia); approximately 0 to 76.5 m (0 to 251 ft) of water depth at sea level, or 0 to 79.5 m (0 to 262 ft) of water at 3,000 m (10,000 ft) of altitude |
| Factory Calibrated Range | 69 to 850 kPa (10 to 123.3 psia), 0° to 40°C (32° to 104°F) |
| Burst Pressure | 1200 kPa (174 psia) or 112 m (368 ft) depth |
| Water Level Accuracy* | Typical error: ±0.05% FS, 3.8 cm (0.125 ft) water Maximum error: ±0.1% FS, 7.6 cm (0.25 ft) water |
| Raw Pressure Accuracy** | ±0.3% FS, 2.55 kPa (0.37 psi) maximum error |
| Resolution | <0.085 kPa (0.012 psi), 0.87 cm (0.028 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) Titanium models: approximately 140 g (4.8 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 |
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The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |
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