

All categories
Fieldwork
Nest Boxes
Garden Items
Books
Education
Gift items
Second chance
New
Deals
Repairs
Close



A dissolved oxygen and temperature sensor for use with HOBO MX800 Series Water Loggers

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

Replaces the original DO sensor cap of the HOBO MX800 Series DO sensor (W-DO).

Replacement DO Sensor Cap for U26-001. The DO sensor caps have a planned 6-month deployment life so make sure to stock up.

Water-resistant temperature data logger up to 5000 Feet

The U12 Stainless is ideal for high-temperature or deep underwater applications.

Monitor PAR, temperature, and RH with high precision. Effortless Bluetooth data offload makes it ideal for tracking environmental conditions in agriculture, research, and other outdoor applications.

Potassium Chloride (KCI) conductivity standard for accurate calibration. Suitable for MX800-series conductivity and CTD sensors.

HOBO MX2205 waterproof data logger with an internal and external sensor to monitor both air temperature and fast-changing water temperature.

The HOBO U24-002-C is a cost-effective data logger for measuring salinity, conductivity and temperature in saltwater environments

The HOBO Water Level Titanium is recommended for saltwater deployment for recording water levels and temperatures in wetlands and tidal areas.

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

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.

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.

Provides the connection between the HOBO MX802 logger and a sensor.

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

Use the RS3-B Solar Radiation Shield with HOBO external sensors for improved temperature measurement accuracy in locations exposed to sunlight

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

The HOBO U20L-02 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments.

The HOBO Water Level Titanium is recommended for saltwater deployment for recording water levels and temperatures in wetlands and tidal areas.

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

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

The HOBO Mounting and Leveling Fixture 2003S is an accessory for light sensors and for the MX2308 and MX2309 data loggers.

A protective enclosure for Onset's HOBO MX801 data logger.