Onset HOBO Submersible Water Data Logger

SKU
MX801
$495.00
  • Measures Conductivity, Salinity, Temperature, Depth or Dissolved Oxygen
  • Fully Submersible and Retrieve for Data Offload Using HOBOconnect App
  • Wireless Bluetooth Communications for Setup, Configuration and Data Offload
  • Guided Calibration for Accurate Data and Water Detect Feature 
  • User-Replaceable Lithium Batteries

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 MX801 Submersible Water Data Logger Specifications

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.
Water Detect Events are Logged When Data Logger is Submerged or Removed from the water
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")
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