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ONSET HOBO TidbiT MX Temperature 5000' Data Logger

Model:
ONSET HOBO MX2204

A waterproof temperature logger that uses the power of Bluetooth to deliver high-accuracy data straight to your mobile device or Windows computer running Onset's free HOBOconnect app.

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Description

Key Features:

  • Convenient wireless setup and download via Bluetooth
  • Large memory stores 96,000 measurements
  • Waterproof to 1500 meters (5000 feet)
  • Water detection feature records when logger is in and out of the water
  • Waterproof boot protects the logger during deployment
  • LED indicates when temperature exceeds set threshold
  • Battery life extension feature
  • Works with Onset’s free HOBOconnect app
  • ±0.2°C (±0.36°F) accuracy

Temperature Sensor

Range
-20° to 70°C in air; -20° to 50°C in water, maximum sustained temperature in water 30°C
-4° to 158°F in air; -4° to 122°F in water, maximum sustained temperature in water 86°F
Accuracy
±0.25°C from -20° to 0°C
±.45°F from -4° to 32°F
 
±0.2°C from 0° to 70°C
±0.36°F from 32° to 158°F
Resolution
0.01°C
0.018°F
Drift
<0.1°C per year
<0.18°F per year
Response Time
15 minutes typical to 90% in air moving 1 m/s, unmounted;
 
4 minutes typical to 90% in stirred water, unmounted

Logger

Logger Operating Range
-20° to 70°C
-4° to 158°F
Buoyancy (Fresh Water)
7.6 g negative
0.27 oz negative
Waterproof
To 1,524 m
To 5,000 ft
Water Detection
Water conductivity level of 100 µS/cm or greater necessary for reliable detection of water. Deionized water or water below 100 µS/cm may not be detected.
 
The water conductivity circuit may not reliably detect water that has frozen around the electrodes, i.e. below 0°C (32°F).
Radio Power
1 mW
0 dBm
Transmission Range
Approximately 30.5 m line-of-sight
Approximately 100 ft line-of-sight
Wireless Data Standard
Bluetooth Low Energy (Bluetooth Smart)
Logging Rate
1 second to 18 hours
Time Accuracy
±1 minute per month at 25°C
±1 minute per month at 77°F
Battery
CR2477 3V lithium, non-replaceable
Battery Life
3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software.
 
5 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off or Bluetooth Off Water Detect enabled in software.
 
Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life.
Memory
96,000 measurements
Full Memory Download Time
Approximately 45 seconds; may take longer the farther the device is from the logger
Wetted Materials
Epoxy case, Santoprene (TPE) boot
Dimensions
4.06 x 6.99 x 3.51 cm
1.6 x 2.75 x 1.38 inches
Weight
32.8 g
1.16 oz
Environmental Rating
IP68
Product Details
ONSET HOBO MX2204
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