Water Temp TidbiT Data Logger - eucatech Store
Water Temp TidbiT Data Logger - eucatech Store
Water Temp TidbiT Data Logger - eucatech Store
Water Temp TidbiT Data Logger - eucatech Store
Water Temp TidbiT Data Logger - eucatech Store


Water Temp TidbiT Data Logger

Sale priceR 4,272.13
SKU: MX2203



The HOBO MX2203 TidbiT waterproof temperature logger uses the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature data straight to your iOS, Android mobile device, or Windows computer using Onset's free HOBOconnect app. Designed for durability, this rugged logger is perfect for long-term deployments in streams, lakes, and oceans (up to 400-foot or 120-meter depths).

Additionally, it includes a feature to detect and record the presence of water, making it ideal for monitoring intermittent water applications. Data collection in the field has never been easier!


Quick Start
User Manual


Highlighted Features

  • Convenient wireless setup and download via Bluetooth
  • Large memory stores 96,000 measurements
  • Waterproof to 120 meters (400 feet)
  • Water-detection feature records when logger is in and out of the water
  • User-replaceable battery
  • 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


Specification Value (Metric and Imperial)
Temperature Sensor
Range (in air) -20° to 70°C (-4° to 158°F)
Range (in water) -20° to 50°C (-4° to 122°F)
Accuracy (-20° to 0°C) ±0.25°C (±.45°F from -4° to 32°F)
Accuracy (0° to 70°C) ±0.2°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 (in air) 17 minutes typical to 90% in air moving 1 m/s, unmounted
Response Time (in stirred water) 7 minutes typical to 90%
Logger Operating Range -20° to 70°C (-4° to 158°F)
Buoyancy (Fresh Water) 3.1 g negative (0.11 oz negative)
Waterproof To 122 m (To 400 ft)
Water Detection Conductivity level of 100 µS/cm or greater; limitations apply
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 (77°F)
Battery CR2477 3V lithium, user replaceable
Battery Life Varies with conditions (see description above)
Memory 96,000 measurements
Full Memory Download Time Approximately 45 seconds (distance may affect time)
Wetted Materials Polypropylene case, Delrin® battery cover, EPDM O-ring, stainless steel screws, Santoprene® (TPE) boot
Dimensions 4.45 x 7.32 x 3.58 cm (1.75 x 2.88 x 1.41 inches)
Weight 36.2 g (1.28 oz)
Environmental Rating IP68


    In what environment does this data logger operate?

    This data logger operates in indoor, outdoor, and underwater environments.

    What measurements does this data logger support?

    The MX2203 data logger supports the following measurements: Temperature and Water Temperature