Onset HOBO Water Data Logger
SKU
MX802
$495.00
- Measures Conductivity, Salinity, Temperature and Barometric Pressure (Depth)
- Data Logger Remains Above the Water and Cables and Sensors Extend into Fresh or Salt Water
- Wireless Bluetooth Communications for Setup, Configuration and Data Offload Using HOBOconnect App
- Guided Calibration for Accurate Data and Water Detect Feature
- User-Replaceable Lithium Batteries
- Interchangeable Sensors for Dissolved Oxygen (W-DO) and Conductivity (W-CT)
Requires W-CT Conductivity and Temperature, W-CTD Conductivity, Temperature and Depth or W-DO Dissolved Oxygen Sensor.
Special order - please be advised that due to supply shortages, some items may require 6 weeks for shipment
User Manuals and Product Guides
Onset HOBO MX802 Water Data Logger Specifications
| Barometric Pressure | Measurement Range: 66 to 107 kPa (9.6 to 15.5 psi) @ -20°:C to 50°:C (-4°F to 122°F) Accuracy* (Typical Error): ±0.2 kPa (0.029 psi) Accuracy (Maximum Error): ±0.5 kPa (0.073 psi) Resolution: <0.01 kPa (0.0015 psi) Pressure Response Time**: <1 Second to 90% at a Stable Temperature Contribution to Water Level Accuracy*** (Typical Error): ±0.075% FS, 0.3 cm (0.01 ft) water Contribution to Water Level Accuracy*** (Maximum Error): ±0.15% FS, 0.6 cm (0.02 ft) water * Pressure Accuracy: Absolute Pressure Sensor Accuracy includes All Sensor Drift, Temperature and Hysteresis-Induced Errors. ** Changes in Temperature: Allow 20 Minutes in Water to Achieve Full Temperature Compensation of the Pressure Sensor. There can be up to 0.5% of Additional Error due to Rapid Temperature Changes. *** Water Level Accuracy: With Accurate Reference Water Level Measurement, Known Water Density, and a Stable Temperature Environment. System Water Level Accuracy Equals the Sum of the Barometric Water Level Accuracy Plus the Selected CTD Sensor Water Level Accuracy. |
| Operating Range | -40°C to 50°C (-40°F to 122°F) |
| Wireless Communications | Radio Power:1.0 mW (0 dBm) Transmission Range: 30.5 Meters (100 ft) Line of Sight Wireless Data Standard: Bluetooth 5 |
| Number of Sensors that can be Connected | 2 |
| Maximum Cable Length | 120 Meters (400 feet) |
| Sampling Interval | 5 Seconds to 18 Hours |
| Recording Mode | 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 | Immediate, Next Interval or Date/Time |
| Stop Modes | Memory Full, Never Stop (Overwrite Oldest Data), Date/Time or After A Set Logging Period. |
| Time Accuracy | ±1 minute per month 0°C to 50°C (32°F to 122°F) |
| Power Source | (4) AA 1.5 Volts User Replaceable Lithium Batteries |
| Battery Life | With W-CTD or W-CT Sensors: 2 Years, Typical with 1-Minute Logging Interval or Slower With W-DO Sensor: 1 Year, Typical with 1-Minute Logging Interval or Slower Faster Logging or Statistics Sampling Intervals, Entering Burst Logging Mode, Excessive Readouts, and Remaining Connected with the App will Impact Battery Life |
| Data Storage Capacity | 730,000 Measurements, Divided Between Channels (4 Mbyte Memory) |
| Data Download Time | Full Memory: Approximately 3.5 Minutes 120,000 Measurements: 1 Minute May Take Longer the Further the Device is From the Data Logger |
| Wetted Materials | Data Logger: PVC Housing with Polyester Film Label, PET Sensor Connector End Cap and Mounting Handle with EPDM and Buna-N O-Rings, Passivated 316 Stainless Steel Hardware Rated for Use in Saltwater Collar: HDPE, Titanium Screws Note: Data Logger Should be Mounted So That No Metal Parts of the Data Logger are in Contact with Other Metals |
| Standards Compliance | FCC (US), CE (EU), UKCA, Waterproof to 100 Meters with Sensors Attached (IP68) |
| Dimensions | Data Logger Diameter: 4.14 cm (1.63") Length without Sensor: 20 cm (8.0") Length with W-CTD Sensor: 36 cm (14") Length with W-CT Sensor: 33 cm (13") Mounting Loop: 1.27 cm x 2.26 cm (0.5" x 0.89") |
Customer Questions
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