Product Indoor Temperature/RH Data Logger

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Temperature/RH Data Logger Bluetooth Low energy (BLE)


Temperature/RH Data Logger data logger measures and transmits temperature and relative humidity data wirelessly to mobile devices or Windows computers via Bluetooth Low Energy (BLE) technology.

The self-contained wireless data logger works with your mobile device or Windows computer and Onset’s free HOBOconnect app so you can configure the logger and read out data over a 100-foot range, with no other dedicated equipment required. Using Onset’s free app, you can also view data in graphs, check the operational status of loggers, configure alarm notifications, and share data files.

You can download the HOBOconnect app here:



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Temp./RH 2.5% Data Logger


Temperature/Relative Humidity data logger records temperature and relative humidity (within 2.5% accuracy) in indoor environments with its integrated sensors. This data logger is ideal for monitoring occupant comfort in office buildings, tracking food storage conditions in warehouses, logging temperature trends in server rooms, and measuring humidity levels in museums.


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Temp/RH/Light/Ext-Temp Kit  Bluetooth Low Energy (BLE)


Temp/RH/Light/Ex-Temp Kit makes it easy to monitor four measurements with one versatile logger. The kit includes the HOBO MX1104 logger with integrated sensors for temperature, humidity, and light, plus an external temperature sensor with a 6′ cable. This is a great addition to your toolbox for troubleshooting, equipment scheduling, building commissioning, HVAC performance monitoring, and more! The external input provides the flexibility to connect a wide range of sensors, expanding monitoring capabilities.


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Carbon Dioxide – Temp – RH Data Logger  Bluetooth Low Energy (BLE)


MX1102 CO2 logger makes it more convenient than ever to measure and record CO2 in buildings and other non-condensing environments. It measures CO2 from 0-5,000 parts per million (ppm) – and our free HOBOconnect app lets you access data right from your mobile phone, tablet, or Windows computer when within a 100-foot range of the logger.


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