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The HOBO MX2305 features an internal temperature sensor.

The HOBO® water Level data logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain.

Onset’s HOBO MX1101 data logger measures and transmits temperature and relative humidity data wirelessly to mobile devices via Bluetooth Low Energy (BLE) technology.

The MX Gateway automatically transmits HOBO MX Bluetooth Low Energy (BLE) logger data to Onset’s cloud-based HOBOlink software.

Monitor energy and industrial equipment with this 15 channel data logger to quickly detect and address issues relating to HVAC, machinery and other systems.

The HOBO MX2302 features external temperature and relative humidity sensors on a 2 m cable.

Onset’s HOBO MX1102 CO₂ logger makes it more convenient than ever to measure and record CO₂ in buildings and other non-condensing environments.

Rugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates.

This HOBO Water Temp Pro v2 is durable with 12-bit resolution. Complete with a precision sensor for ±0.2 °C accuracy, this logger measures temperatures between −40 to 70 °C (−40 to 158 °F) in air and up to 50 °C (122 °F) in water.

The HOBO MX2204 TidbiT waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your iOS or Android mobile device.