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A weatherproof data logger with built-in temperature and relative humidity sensors, leveraging Bluetooth for easy setup and data download.

Water resistant temperature / light level logger

HOBO Water Level Data Logger MX2001 available with 6 different sensors and three different cable lengths.

The MX2201 is a waterproof temperature logger

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

HOBO Pendant Temperature/Light 64K Data Logger UA-002-64

The HOBO Pro v2 2x External Temperature Data Logger is a weatherproof data logger with two external soil/water temperature probes on 6-foot cables for fast sensor response and deployment in tight spaces.

A Conductivity/Temperature/Depth sensor for use with HOBO MX800 Series Water Loggers with sensor options available for 13, 30, 100 or 250 feet in a wide range of underwater environments; for use in freshwater or saltwater.

The U22-001 Data Logger measures temperature in both outdoor and underwater environments.

A low-cost, research-grade data logger with Bluetooth data offload to continuously monitor water level and temperature. Measures at depths of up to 13, 30, or 100 feet in a wide range of underwater environments, both freshwater and saltwater.

Water-resistant temperature data logger up to 400 Feet

A weatherproof data logger with an internal temperature sensor, leveraging Bluetooth for easy setup and data download.

A weatherproof data logger with external temperature and relative humidity sensors. leveraging Bluetooth for easy setup and data download.

A miniature, waterproof one-channel temperature data logger, this model is value-priced for short-term shipping applications or long-term deployment.

Offload data from any HOBO® data logger with this HOBO Optic USB Base Station

Easy-to-deploy, fully submersible model MX801 for monitoring water conductivity/salinity, temperature, level, and dissolved oxygen.

A battery-powered rainfall data collection and recording system that includes a HOBO Pendant Event data logger integrated into a tipping-bucket rain gauge.

The HOBO U20L-01 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments.

Measure oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters with the HOBO U26 Dissolved Oxygen Data Logger.

A low-cost, research-grade data logger with Bluetooth data offload to continuously monitor water level and temperature. Measures at depths of up to 13, 30, or 100 feet in a wide range of underwater environments, both freshwater and saltwater.

For monitoring water conductivity/salinity, temperature, level and more, the HOBO MX800 series of Bluetooth loggers offer a highly configurable solution.

Low-cost, fully integrated soil moisture logger with convenient Bluetooth wireless data offload.

Ideal data logger for underwater measurements in shallow wells, streams, lakes and freshwater swamps.

Water-resistant temperature data logger up to 5000 Feet