Start typing to see products you are looking for.

HOBO MX801 Series Water Data Loggers

HOBO MX800

MX801

Parameter Detail
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 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 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 slower
  • With W-DO sensor: 1-year, typical with 5-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
Memory 730,000 measurements, divided between channels (4 Mbyte memory)
Data Download Time (with Bluetooth 5+ devices)
  • Full memory: Approximately 3.5 minutes
  • 120,000 measurements: 1 minute
  • May take longer the farther the device is from the logger
Dimensions Logger diameter: 4.14 cm (1.63 inches)
Length without sensor: 20 cm (8 inches)
Length with W-CTD sensor: 36 cm (14 inches)
Length with W-CT sensor: 33 cm (13 inches)
Mounting loop: 12.7 x 22.6 mm (0.5 x 0.89 inches)
Weight MX801 Logger Head Only: 224 g (7.90 oz)
MX802 Logger Head Only: 226 g (7.97 oz)
Wetted Materials 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; MX802 also has ePTFE vent
Collar: HDPE, titanium screws
Note: Logger should be mounted so that no metal parts of the logger are in contact with other metals
Depth/Environmental Rating MX801: IP68; waterproof to 100m (with sensor(s) attached)
MX802: IP67, NEMA 6; Weatherproof (with cable or Termination Plug attached); this model is not waterproof
Start typing to see products you are looking for.