HOBO MX802 Water Data Loggers
HOBO Data Logger Seri MX800 multiparameter nirkabel bekerja dengan sensor yang dapat diganti untuk memberikan solusi yang sangat dapat dikonfigurasi untuk memantau konduktivitas/salinitas air, suhu, kedalaman, dan oksigen terlarut (segera hadir). Tersedia dalam model yang mudah digunakan dan dapat ditenggelamkan sepenuhnya (MX801) dan model baca langsung (MX802) untuk kemudahan pemindahan data yang tidak perlu melepas sensor dari air.
Deskripsi
Fitur MX802
- Kompatibel dengan sensor Konduktivitas, CTD (konduktivitas/suhu/kedalaman) yang dapat dipertukarkan, dan sensor DO (dijual terpisah) – tukar sensor untuk aplikasi berbeda
- Bluetooth, untuk memudahkan konfigurasi logger dan pembongkaran data
- Baca langsung untuk kemudahan pemindahan data (MX802)
- Diameter logger kurang dari 2 inci
- Pembongkaran data lebih cepat melalui Bluetooth 5.0
- Sensor tekanan barometrik disertakan (MX802)
- Hubungkan dua sensor ke satu logger untuk mendapatkan pengukuran seperti DO yang disesuaikan dengan salinitas secara langsung, tanpa memerlukan pasca-pemrosesan.
- Kalibrasi terpandu memastikan data akurat
- Baterai yang dapat diganti pengguna
-
Spesifikasi MX802
- Operating Range
-
-40° to 50°C (-40° to 122°F), cannot be frozen in ice
- Radio Power
-
1 mW (0 dBm)
- Transmission Range
-
Approximately 30.5 m (100 ft) line-of-sight
- Wireless Data Standard
-
Bluetooth 5
- Number of sensors that can be connected
-
2
- Maximum Cable Length
-
120m (400 ft)
- Logging Rate
-
5 second to 18 hours
- Logging Modes
-
Fixed interval (normal or statistics), burst, or multiple intervals with up to 8 user-defined logging intervals and durations, with pause and repeat options
- Start Modes
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Immediate, next interval or date & time
- Stop Modes
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Memory full, never stop (overwrite oldest data), date & time, or after a set logging period
- Water Detect
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Events are logged when logger is submerged or removed from the water (MX801 only)
- Time Accuracy
-
±1 minute per month 0° to 50°C (32° to 122°F)
- Battery
-
Four AA, 1.5 V lithium batteries, user replaceable
- Battery Life
-
With W-CTD or W-CT sensors: 2 years, typical with 1-minute logging interval or slowerWith W-DO sensor: 1-year, typical with 5-minute logging interval or slowerFaster logging or statistics sampling intervals, entering burst logging mode, excessive readouts, and remaining connected with the app will impact battery life
- Memory
-
730,000 measurements, divided between channels (4 Mbyte memory)
- Data Download Time (with Bluetooth 5+ devices)
-
Full memory: Approximately 3.5 minutes120,000 measurements: 1 minuteMay take longer the further the device is from the logger
Barometric Pressure (MX802 only)
- Measurement & Calibrated Range
-
66 to 107 kPa (9.6 to 15.5 psia), -20° to 50°C (-4° to 122°F)
- Accuracy*
-
Typical error: ±0.2 kPa (0.029 psi)Maximum error: ±0.5 kPa (0.073 psi)
- Resolution
-
<0.01 kPa (0.0015 psi)
- Pressure Response Time**
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<1 second to 90% at a stable temperature
- Contribution to Water Level Accuracy***
-
Typical error: ±0.075% FS, 0.3 cm (0.01 ft) waterMaximum error: ±0.15% FS, 0.6 cm (0.02 ft) water
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