"hobo data logger"

This logger supports up to four external sensors to record parameters like temp, current, etc.

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

The HOBO MX2501 pH and Temperature Data Logger is designed for long-term monitoring of pH in estuaries, lakes, streams, rivers, and oceans.

The Universal Optic USB Base Station and couplers are used to offload data from any HOBO® data logger with an Optic USB interface.

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

The HOBO® waterproof shuttle provides convenient readout and relaunching of underwater and outdoor HOBO data loggers with an Optic USB interface, and is waterproof to 20 m (66'). This shuttle can also be used as a base station.

The Temperature/Relative Humidity data logger records temperature and relative humidity (within 3.5% accuracy) in indoor environments with its integrated sensors.

The HOBO MX2303 features two 2 m external temperature sensors.

The HOBO MX2202 waterproof temperature/light level logger leverages the power of Bluetooth Low Energy (BLE) to deliver accurate temperature and light-level measurements straight to your iOS or Android mobile device.

Use the solar radiation shield with HOBO external sensors for improved temperature measurement accuracy in locations exposed to sunlight.

This kit provides instant access to site-specific air temperature, relative humidity, and wind speed and direction data anywhere, at any time, from a desktop or mobile device and LI-COR Cloud remote monitoring software annual plan.