Offering a selection of relative humidity data logging solutions, from stand-alone RH data loggers to external RH sensors that plug into external channels. Whether your RH data-logging application is indoors or out, find the solution you need below.
The 87782 AZ Handheld WBGT monitor measures air temperature, globe temperature, and humidity in order to give heat stress index for use in the control of physical activities in hot environments to lim..
The 87783 AZ Wearable WBGT monitor measures air temperature, globe temperature, and humidity in order to give heat stress index for use in the control of physical activities in hot environments to lim..
Rugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates. This battery-powered station accepts up to five plug-and-play Sma..
The HOBO Wireless Temperature/Relative Humidity Monitoring Kit makes environmental monitoring fast, cost-effective, and convenient. Monitor critical conditions in real time, log data for trend analysi..
Onset’s HOBO 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) –..
The HOBO MX1104 multi-channel data logger measures and transmits temperature, relative humidity, and light intensity data wirelessly. It also includes an external analog input to attach a variety of a..
The HOBO MX2301 is a weatherproof data logger with built-in temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly ..
The HOBO MX2302 is a weatherproof data logger with external temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly ..
The HOBO MicroRX Water Level Station is a cellular, web-enabled water level monitoring solution for stormwater, floodwater, irrigation, hydrologic, and environmental applications. Pre-programmed water..
The HOBO RX3000 is Onset’s next-generation remote data logging station that provides instant access to site-specific environmental data anywhere, anytime via the internet. The new station combines the..
The HOBO RX3000 Weather Station Starter Kit provides instant access to site-specific air temperature, relative humidity, and wind speed/direction data anywhere, anytime on your desktop or mobile devic..
The HOBOnet Wireless Temperature and Relative Humidity Sensor provides a cost-effective and scalable solution for web-enabled monitoring of air temperature and humidity. HOBOnet Wireless Sensors commu..
The 12-bit Temperature/Relative Humidity Smart Sensor is designed to work with all Onset data loggers that accept Smart Sensors. All sensor parameters are stored inside the Smart Sensor, which automat..