Data logger terjangkau dan presisi untuk mengukur oksigen terlarut di danau, sungai, estuari, dan perairan pesisir. Cocok untuk penelitian biologi perairan dan hidrologi, perangkat ini menggunakan teknologi sensor optik RDO® Basic yang mudah dirawat. HOBO U26 juga telah melalui evaluasi multi-tahun oleh Alliance for Coastal Technologies (ACT).
Pemantauan oksigen terlarut (DO) dengan akurasi 0,2 mg/L
Teknologi sensor DO optik
Software HOBOware Pro Dissolved Oxygen Assistant
Antarmuka USB optik untuk transfer data berkecepatan tinggi dan andal
Tutup sensor DO yang dapat diganti oleh pengguna
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) |
| Buoyancy | Salt water: 13 g (0.46 oz) negative Fresh water: 20 g (0.71 oz) negative |
| Wetted Materials | Black Delrin®, PVC, EPDM o-rings, silicone bronze screws; rated for saltwater use |
| Size | 39.6 mm diameter × 266.7 mm length (1.56 × 10.5 inches) |
| Weight | 272.4 g (9.61 oz) |
| Environmental Rating | IP68 |
