HOBO MX100 Bluetooth Temperature Logger

Onset's HOBO MX100 is a low-cost, splash-proof data logger that measures and transmits temperature data wirelessly to mobile devices via Bluetooth Low Energy (BLE) technology.


Highlighted Features

  • Set up and offload loggers wirelessly from your mobile device - no internet, cables, or computer required
  • Exceptional value for the convenience of a BLE communication logger
  • Splash-proof design enables use in damp environments and spray-down applications
  • Easy to deploy, offload, and share temperature data using free HOBOConnect app
  • Visual alarms on the logger display and mobile app keep you notified of problems
  • Set up and start monitoring in minutes!


Key Specifications

  • Range:-30° to 70°C
  • Accuracy: ±0.5°C from -5° to 50°C
  • Resolution: 0.04°C
  • Drift: <0.01°C per year
  • Response Time: 6 minutes typical to 90% in open air moving 1 m/s, unmounted
  • Wireless Data Standard: Bluetooth Smart (Bluetooth Low Energy)
  • Logging Rate: 1 second to 18 hours
  • Battery: CR2450 3V lithium, not replaceable
  • Battery Life: 1 year, typical with logging interval of 1 minute and Power Saving Mode disabled
  • Memory: 30,000 Measurements
  • Dimensions: 6.9 x 4.5 x 1.1 cm
  • Weight: 25.5 g 
  • Environmental Rating: IP67


HOBOConnect App

Onset's free HOBOconnect app makes it fast and easy to configure compatible HOBO MX Series data loggers and manage the collected data. Just download the app from the Apple App Store or Google Play to your mobile device, or download from the Onset website to your Windows computer. With HOBOconnect, you can view data in graphs, check the operational status of loggers, share data files and graph images for analysis in Excel, Numbers, and other applications, plus store data in the cloud. HOBOconnect also lets you quickly set up audible alarm notifications, so you're immediately alerted to any problems.

  • Communicates to HOBO MX data loggers using Bluetooth (LE) technology
  • No internet connection required
  • Set data logger's name, password, logging rate, alarm threshold, start and stop time
  • Automatically upload data to Onset's cloud-based HOBOlink software to store and merge data files
  • Configure and clear audible alarms
  • Page the data logger
  • Quickly download and view data

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Related Pages

Temperature and Heat Flux

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