HOBO Underwater Dataloggers

Applications in:Ecological studie,Stream / ocean temperature monitoring and mapping,Water level in bore holes and streams, Aquaculture

MX2001 Bluetooth Water Level Loggers

The new HOBO® MX2001, the industry's first Bluetooth Low Energy (BLE) water level data logger, offers convenient wireless access to high-accuracy water level and temperature measurements - right from a mobile phone or tablet!
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MX2501 Bluetooth pH & Temperature Datalogger

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 the free HOBOmobile® app on iOS devices making logger setup, calibration, and data offload quick and easy.
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MX2200 Bluetooth Water Temperature Dataloggers

The new HOBO MX2200 Series water temperature loggers bring convenient wireless setup and download to Onset's field-proven TidbiT and Pendant water temp loggers!
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U20

U20(L) Water Level Dataloggers

The HOBO U20(L) family of dataloggers are low-cost, non-vented research-grade data loggers for continuously measuring water level and temperature.
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HOBO Pendant Temperature / Light Datalogger

Onset's HOBO Pendant loggers are miniature, waterproof, value-priced temperature or temperature and light intensity loggers for use in a wide range of applications.
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Water Temp Pro v2 Submersible Datalogger

The durable HOBO Water Temp Pro v2 has 12-bit resolution and a precision sensor for ±0.2°C accuracy over a wide temperature range.
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TidbiT v2 Submersible Temperature Datalogger

With more memory than the original StowAway TidbiT logger, the rugged TidbiT v2 Temp Logger is waterproof to 300 m (1000 ft) and is equipped with an optic interface for data offload in the field.
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U12 Deep Ocean Temperature Datalogger

A single channel temperature datalogger rated for submersion up to 11,000m
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U12 Stainless High Temperature Logger

Onset's HOBO U12 Stainless Temperature Logger with Food Grade Housing and Extended Temperature Range of -40 to 125°C is ideal for food, pharmaceutical, autoclave, and other applications where high-accuracy temperature data is critical.
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U24 Conductivity & Salinity Loggers

Low cost conductivity/salinity and temperature datalogger
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U26 Dissolved Oxygen Logger

A low-cost data logger for measuring concentrations of oxygen in lakes, streams and rivers
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