HOBO Dissolved Oxygen Data Logger U26-001
deskripsi
Ukur konsentrasi oksigen di danau, sungai, sungai, muara, dan perairan pantai dengan HOBO U26 Dissolved Oxygen Data Logger. Data logger yang terjangkau dan tepat ini direkomendasikan untuk proyek penelitian biologi dan hidrologi perairan. HOBO U26 menggunakan teknologi sensor DO optik RDO® Basic (Rugged Dissolved Oxygen) dan mudah dirawat.
termasuk
- U26-001 data logger
- DO sensor cap
- Protective Guard
- Calibration Boot with sponge
Pencatat Oksigen Terlarut HOBO U26 kami telah menjadi bagian dari evaluasi multi-tahun terhadap pencatat dan sensor DO oleh Alliance for Coastal Technologies (ACT), dan hasilnya telah dipublikasikan secara online. Ini memberikan laporan yang tidak bias tentang kinerja U26 kami dalam kondisi lab dan lapangan. Perhatikan bahwa surat tanggapan kami dengan rekomendasi tambahan kami dilampirkan pada bagian akhir laporan ini pada halaman 58 dan 59.
fitur
- Affordable, high performance dissolved oxygen (DO) monitoring with 0.2 mg/L accuracy
- Optical DO sensor technology for long-lasting calibration with less maintenance
- HOBOware Pro’s Dissolved Oxygen Assistant software corrects for measurement drift from fouling; provides salinity-adjusted DO concentrations and percent saturation
- Optical USB interface for high-speed, reliable data offload
- Easy-to-replace DO sensor cap lasts six months
spesifikasi
| Dissolved Oxygen | ||
| Sensor Type: | Optical | |
| Measurement Range: | 0 to 30 mg/L | |
| Calibrated Range: | 0 to 20 mg/L; 0 to 35°C (32 to 95°F) | |
| Accuracy: | ± 0.2 mg/L up to 8 mg/L; ± 0.5 mg/L from 8 to 20 mg/L | |
| Resolution: | 0.02 mg/L | |
| Response Time: | To 90% in less than 2 minutes | |
| DO Sensor Cap Life: | 6 months, cap expires 7 months after initialization | |
| Temperature | ||
| Temperature Measurement/Operating Range: | -5 to 40°C (23 to 104°F); non-Freezing | |
| Temperature Accuracy: | 0.2°C (0.36°F) | |
| Temperature Resolution: | 0.02°C (0.04°F) | |
| Response Time: | To 90% in less than 30 minutes | |
| Logger | ||
| Memory: | 21,700 sets of DO and temperature measurements (64 KB total memory) | |
| Logging Rate: | 1 minute to 18 hours | |
| Time Accuracy: | ±1 minute per month at 0 to 50°C (32 to 122°F) | |
| Battery: | 3.6 V lithium battery; factory replaceable | |
| Battery Life: | 3 years (at 5 minute logging) | |
| Download Type: | Optical | |
| Depth Rating: | 100 m (328 ft) | |
| Wetted Materials: | Black Delrin®, PVC, EPDM o-rings, silicone bronze screws; rated for saltwater use | |
| Size: | 39.6 mm diameter x 266.7 mm length (1.56 x 10.5 inches) | |
| Weight: | 464 g (16.37 oz) | |
| Environmental Rating: | IP68 | |
| The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |