Automated Underwater

Vehicles (AUV)

EcoMapper

Buoys & Platforms

EMM700 Buoy

Harbour Buoy

HD-125 Buoy

PISCES Platform

CTD

CastAway CTD with GPS

Enclosures

Custom Cabinets

Flow - Continuous

Argonaut-SL

Argonaut-SW

Velocity Radar

Continuous Flow Accessories

Frames / Mounts

Flow - Instantaneous

RiverSurveyor S5 and M9

FlowTracker Handheld-ADV

Instantaneous Flow Accessories

Cable Chimp II

Remote Boat for ADCP

Torrent Board

Level

Bubbler - H-3553

H-3121 & H-3122

Level Scout Level & Temp

Radar

Laboratory

Pro OBOD

9300 / 9500 Photometer

Ocean/Coastal Velocity

Argonaut MD

Argonaut XR

V-Fins

Process Monitors

HydroSAM

6500

Water Quality
Handheld Instruments

Pro Quatro

ProPlus

ProODO

Pro 2030

Pro 20

Water Quality
Vertical Profilers

Profilers

Water Quality Sondes

6-Series Multiparameter Sondes

Sonde Accessories

650MDS Data Display/Logger

Anti-Fouling Kits

Mounting Frames

Oil-in-Water Sensor Kit

PAR Sensor Kit

Telemetry

EcoNet Data-to-Web

PeliNet Portable

System 5000

522+

Ask a Question

Events & Training

Field Services

Rentals

Repair

Resource Library

Warranty Form

Director's Welcome

Application Specialists

News

History

MCERTS

Career Opportunities

Sustainability Report

The YSI Foundation


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About YSI Systems & Services

Located in Letchworth, UK, YSI Hydrodata distributes YSI and SonTek instruments and monitoring systems, providing training, installation, service, repair and calibration support services in addition to a full range of rental products. We are a division of YSI Incorporated, a global business committed to sustaining the quality and viability of the Earth's water resources with the world's most accurate and reliable water quality and hydrology measurement technologies.

About YSI Systems & Services
Resources
Welcome from the General Manager

Thank you for visiting our website. YSI Hydrodata is in the pefect position. We are able to supply cutting edge, innovative technology, like our new Ecomapper, Castaway and Riversurveyor products and match them with application specialists, based locally in the UK.  This gives customers quick access to the newest product developments and ensures there is back up and service available at all times.

A demand for easier to use sensors, easily accessed data and lower cost of ownership has focused our research and development efforts. The result is a stream of new products and concepts. We are always open to ideas on products from our users, and we always welcome the opportunity to provide back up and service to you.

Ian Thompson
Managing Director
YSI Hydrodata

YSI History: YSI founders, Hardy Trolander and Dave Case, in 1954.
Application Specialists
YSI Divisions

History

From the late 1940s to today - find out where YSI has been, what we've accomplished and where we're headed.

Application Specialists

With years of combined experience and knowledge to offer you, you can be sure that we're ready to assist you at any point in your project.

Divisions

YSI has offices all over the globe. Find the location nearest you for company information, products, accessories, reagents, and repair.

Careers at YSI
MCERTS
Blog Updates

Careers @ YSI Hydrodata

YSI Hydrodata is always interested in developing our local team. If you would like to submit a CV please send it to europe@ysi.com. We are currently looking for a marketing and internal sales person.

MCERTS

We're committed to providing you technology from environmentally responsible business practices. Read about our corporate environmental initiatives and policies here.

News Updates

Keep up-to-date on YSI Hydrodata innovations, company news, and other relevant industry news.

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YSI Hydrodata | Unit 2 Focal Point | Lacerta Court | Works Road | Letchworth, Hertfordshire SG6 1FJ | United Kingdom
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