Onset HOBO MX1102A Carbon Dioxide Data Logger - MX1102A

Onset’s HOBO MX1102A 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 HOBOmobile app* allows you to access...

Onset HOBO MX2304 Bluetooth External Temperature Sensor Data Logger - MX2304

MX2304 External Temperature Sensor Data LoggerThe HOBO MX2304 is a weatherproof data logger with one external temperature sensor. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device,...

Onset HOBO MX2305 Bluetooth Temperature Data Logger - MX2305

MX2305 Temperature Data LoggerThe HOBO MX2305 is a weatherproof data logger with an internal temperature sensor. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides...

Onset HOBO Bluetooth Low Energy pH and Temperature Data Logger - MX2501

Overview The HOBO MX2501 pH and Temperature Data Logger is designed for long-term monitoring of pH in estuaries, lakes, streams, rivers, and oceans. Leveraging Bluetooth Low Energy® (BLE) technology, the MX2501 pH Logger communicates wirelessly with...

Onset HOBO Dissolved Oxygen Logger - U26-001

Overview Measure oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters with the HOBO U26 Dissolved Oxygen Data Logger. This affordable and precise data logger is recommended for aquatic biology and hydrology research projects...

Onset HOBO Water Level Deluxe Kit (30’) - KIT-D-U20-01

HOBO Water Level Data Logger Deluxe Kit (30’) - KIT-D-U20-01 Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water...

Onset HOBO Water Level Deluxe Kit (100’) - KIT-D-U20-02

Onset HOBO Water Level Deluxe Kit (100’), KIT-D-U20-02Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels...

Onset RX3000 3G Remote Monitoring Station

Onset RX3000 3G Remote Monitoring Station, RX3003-00-01Overview 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...

Onset Ultrasonic Wind Speed and Direction Smart Sensor - S-WCG-M003

OverviewThe Ultrasonic Wind Speed and Direction Smart Sensor is compact and rugged with no moving parts. Because this sensor is ultrasonic it is able to measure very low wind speeds, down to 0.4 m/s (compared to 1.0 m/s for our mechanical sensors). As...

Onset HOBO U12 Deep Ocean Temp Logger - U12-015-03

Overview The HOBO U12 Deep Ocean Water Temperature Data Logger is a single-channel water temperature logger with 12-bit resolution that can record up to 43,000 measurements. With its robust titanium housing, this logger is designed to withstand ocean...

Onset HOBO Conductivity Logger 0-10,000 uS/cm - U24-001

Overview This high-accuracy conductivity data logger is a cost-effective way to collect water quality data. The HOBO U24 measures and records both conductivity and temperatures in streams, lakes, and other freshwater sources. This logger is recommended...

Onset HOBO Conductivity Logger 100-55,000uS/cm - U24-002-C

Overview The HOBO U24-002-C is a cost-effective data logger for measuring salinity, conductivity and temperature in saltwater environments with relatively small changes in salinity (±5,000 μS/cm) such as saltwater bays, or to detect salinity events such...