Onset HOBO U20L Water Level Loggers
Features
- Available in 4 depth ranges
- No-vent-tube design for easy and reliable deployment
- Durable ceramic pressure sensor withstands freezing
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Onset HOBO U20L features 0.1% measurement accuracy, a polypropylene housing for fresh and saltwater use, and a non-vented design for convenient and hassle-free deployment.
*Requires HOBOware Pro software and either a U-DTW-1 Waterproof Shuttle or the Base-U-4 Optic USB Base Station for configuration and data offload.
Applications
- Freshwater
- Saltwater
- Including wells
- Streams
- Lakes
- Wetlands
- Tidal areas
In The News
Monitoring Water Pollution in Keweenaw Bay
As much as climate change and pollution impact current generations and present environmental conditions, the compounding damages will continue to wreak havoc against generations to come if no actions are taken. This idea is central for scientists who focus their research on monitoring, analyzing and responding to environmental data. 
 
Researchers like Dylan Friisvall, the water quality technician for the Keweenaw Bay Indian Community (KBIC) Natural Resources Department (NRD) , have dedicated their careers to monitoring pollution and water quality in order to protect resources for the future. “One of the best parts of my job is just being outdoors, it makes my day go by faster because I get to enjoy the fresh air, and help do my part in protecting the environment,” says Friisvall.
Read MoreBringing Fish Back: Reviving Britain’s Freshwater Habitats with the Wild Trout Trust
Freshwater covers less than 1% of the Earth’s surface but has an outsized impact on global ecosystems, supporting more than 10% of all known species, reports the World Wildlife Fund . Freshwater environments such as rivers and wetlands provide significant scientific, economic, and cultural value. But pressure from climate change, biodiversity loss, and a lack of prioritization in environmental policies mean freshwater habitats are recognized as one of the most threatened in the world–something scientists have dubbed an “invisible tragedy. ” 
 
[caption id="attachment_39210" align="alignnone" width="940"] Remedial works underway to shore up the banks of the River Ecclesbourne.
Read MoreMonitoring and Facilitating Habitat Restoration Efforts in the Great Lakes
While human infrastructure, urbanization, and industrialization have advanced human societies, the natural environment has suffered due to constructed impediments and deteriorating architecture. In order to combat this degradation, habitat restoration programs across the US work to remove impairments and improve damaged waterways. 
 
[caption id="attachment_39162" align="aligncenter" width="940"] Barge electrofishing by state and federal employees prior to habitat restoration on Wiscoy Creek which is a tributary to the Genesee River. (Credit Thomas Hoffman)[/caption] 
 Habitat Restoration Efforts in the Great Lakes 
Tom Hoffman, aquatic habitat restoration biologist in the Lower Great Lakes basin, directs restoration efforts within tributaries to Lake Erie, Lake Ontario, and the St.
Read More