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HOBO MX1101 Temperature/Relative Humidity Data Logger, Bluetooth
Model: MX1101

Wirelessly transfer data to mobile devices via Bluetooth Low Energy (BLE) technology over a 100-foot range.

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$135.00 USD

Currently: 10+ in stock

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HOBO Data Loggers MX1101 Offers

The award winning HOBO MX1101 data logger measures and transmits temp/RH data to mobile devices wirelessly via Bluetooth Low Energy (BLE) technology. Works with the free HOBOmobile app for i0S or Android.

The HOBOmobile App installed on a mobile device is required for use of this data logger. You can download the app from the App Store (Apple) or Google Play (Android). Use the app to view data in graphs, check the operational status of loggers, configure alarm notifications, and share data files.

Location Recommendations

  • Wireless communication via Bluetooth Low Energy (BLE) technology
  • Easy to deploy and offload using free HOBOmobile App
  • Visual and audible high & low alarm thresholds
  • Stores 84,000 measurements
  • Accuracy: +/- 0.2C and +/- 2%RH
  • Find me/pager feature
  • Patented connectivity technology
  • Operates in an indoor environment


With the latest version of software (HOBOware 3.7.8), Optic Base Station and Waterproof Shuttle users will find much-improved communications methods.

For Mac users - Updating to apple's latest operating system (OS X 10.11.5) will remedy any communications issues you might have encountered with the HOBO U30 Weather Station and the Waterproof Shuttle.


HOBOmobile 1.5 for iOS can now push data to HOBOlink.com for free online data storage.

Download the Mobile App

HOBO Data Loggers MX1101 Specifications

Temperature Sensor
Range -20° to 70°C (-4° to 158°F)
Accuracy ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F), see Plot A
Resolution 0.024°C at 25°C (0.04°F at 77°F), see Plot A
Drift <0.1°C (0.18°F) per year
RH Sensor*
Range 1% to 90%
Accuracy ±2% from 20% to 80% typical at 25°C (77°F), see Plot B
Hysteresis ±2% RH
Resolution 0.01% at 25°C (77°F)
Drift <1% per year typical
Response Time
Temperature 7:30 minutes in air moving 1 m/s (2.2 mph)
RH 20 seconds to 90% in airflow of 1 m/s (2.2 mph)

*Per RH sensor manufacturer data sheet

Temperature Accuracy and Resolution
Typical RH Accuracy*

Plot A: Temperature Accuracy and Resolution

Plot B: Typical RH Accuracy*

Click here for complete specifications on the HOBO MX1101

What's included with the HOBO Data Loggers MX1101

  • Temperature/Relative Humidity Data Logger
  • Command™ strip
  • Double-sided tape
  • Hook & loop strap
  • Two AAA 1.5 V alkaline batteries
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