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Water Quality

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From the revolutionary EXO multiparameter sonde to the MCERTS certificated YSI Professional Plus, Xylem Analytics manufactures leading brands WTW and YSI to offer the most flexible water quality monitoring instrumentation.

Water Quality Monitoring
Water Quality MonitoringWater Quality Monitoring
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We have a large pool of water quality and hydrology instruments available to you for rental.



ProDSS meter with probes

ProDSS Multiparameter Water Quality Meter

The ProDSS is the latest and most advanced handheld water quality meter from YSI. Designed for spot sampling, profiling or groundwater applications, the ProDSS uses digital smart sensor technology to simultaneously measure temperature, conductivity, salinity, resistivity, TDS, pH, ORP, optical dissolved oxygen, turbidity, depth and GPS position.


EXO 1 sonde with four smart ports

YSI EXO 1 Water Quality Multiparameter Sonde

YSI has used its long experience in water quality monitoring to develop the ultimate multiparameter sondes for challenging marine and freshwater conditions.

Users can choose the new EXO1 sonde, with ports for 4 sensors, or the new EXO2 sonde, with 6 ports and a central anti-fouling wiper.



YSI EXO 2 Water Quality Multiparameter Sonde

Reduce operating costs whilst collecting the best water quality data using the award winning YSI EXO sonde platform


EXO Handheld

YSI EXO Handset

The EXO handheld is a field rugged display to set up, calibration and take field measurements using a YSI EXO Water Quality Sonde


Storm 3

YSI Storm 3 'Data to the Web'

The Storm 3 is the next generation browser based datalogger / telemetry solution allowing for simple connection of environmental monitoring equipment to the web or desktop.


6-Series Multiparameter Instruments

YSI 6-Series Multiparameter Sondes

Designed for in situ monitoring and profiling, and ideal for long-term deployments requiring the most complete water quality data record.


CastAway CTD front and back views.

YSI CastAway™ CTD with GPS

The YSI Castaway is the worlds first CTD to provide instantaneous profiles for temperature, conductivity, salinity, depth and speed down to 100m.


SOOGuard Ferrybox

Aanderaa SOOGUARD Environmental Shipborne Data Collection System

The Aanderaa SOOGUARD FerryBox system provides environmental water quality monitoring from ships of opportunity using Aanderaa Smart Sensors and the SmartGuard data logger. The system is designed specifically to offer a low maintenance, low operating cost system while providing high quality data.


RCM Blue Doppler Current Meter

Aanderaa RCM Blue Current Meter

The Aanderaa RCM Blue is a self contained single point Doppler current meter with Bluetooth for communications and data retrieval. With a large battery and memory capacity, the instrument can be deployed for in excess of one year.


ProPlus with Quatro attachment

YSI ProPlus Quatro Multiparameter

Leading handheld water quality meter in the UK certified with MCERTS the YSI Professional Plus Quatro is a field rugged meter capable of measuring temperature, conductivity, salinity, pH and dissolved oxygen plus one of redox, ammonium, nitrate or chloride. Applications include surface and groundwater monitoring.


YSI Professional Plus Instrument in the Lab with Lab-Grade pH Sensor

YSI ProPlus Multiparameter

The YSI Professional Plus is a universal handheld multiparameter meter providing extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature. Also a very powerful lab instrument for BODs, pH and ORP.


YSI ProODO Optical Dissolved Oxygen Instrument

YSI ProODO™ Handheld Optical Dissolved Oxygen Meter

The new ProODO offers traditional YSI quality with the latest luminescent optical dissolved oxygen  technology. The ProODO utilises a proven digital sensor technology to offer the most accurate dissolved oxygen data from a portable field meter.


Pro 20 Dissolved Oxygen meter

YSI Pro 20 Dissolved Oxygen (DO)

Field Dissolved Oxygen & Temperature Meter

The Pro20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the cornerstones of the instrument's design.


YSI Pro 1030 meter

YSI Pro 1030 - pH / Conductivity / Salinity / Temperature Meter

The Pro 1030 is the latest in the family of the YSI Professional Series. Measuring temperature, conductivity, pH and salinity with cable lengths up to 30m, this rugged meter is ideal for field monitoring programmes


YSI Pro2030

YSI Pro 2030 DO / Temp / Cond / Salinity / Temperature Meter

The Pro 2030 is designed for field measurements of Temperature, Dissolved Oxygen, Conductivity & Salinity with built-in barometer for automatic compensation for dissolved oxygen. A rugged meter designed for the field featuring an industry leading three-year warranty


Pro 30

YSI Pro 30 Temperature / Conductivity / Salinity / TDS

YSI Pro 30 is a durable and easy to use handheld conductivity meter for field use.


NOx sensor


Nitrate measurement: Without servicing, without wiper


SAC UVT probe


SAC & UVT measurementt: Without servicing - Without wiper



WTW VARiON 700 IQ Ammonium / Nitrate / Potassium

Ammonium and Nitrate ion-selective with automatic compensation of interferences



WTW NitraLyt 700 IQ Nitrate

Nitrate ion-selective with automatic compensation of interferences


EcoMapper AUV

YSI EcoMapper AUV

The EcoMapper is a unique AUV (autonomous underwater vehicle) designed to create high-resolution maps of water quality and bathymetry.



YSI Vertical Profiling Systems

Automated water quality profiler for lakes, reservoirs and coastal areas. Featuring a submersible, watertight enclosure and a rugged non-corrosive mechanical winch and drive mechanism, the 6952 provides buoy-based fully automated data collection.


Harbour Buoy illustration.

YSI Harbour Buoy Platform - EMM68

Small buoy for easy access to water quality data. Quickly deployed environmental monitoring buoy with telemetry and data acquisition electronics.  This buoy is ideal for project-based deployments; it simplifies installation by eliminating the need for a crane, divers and large service equipment.



Custom Cabinets

Xylem Analytics UK specialises in providing the complete water monitoring solution including customised kiosks for all applications.


Pelinet monitoring station

Custom Frames / Mounts

Xylem Analytics UK specialises in the design and construction of mooring frames and stand-pipes to deploy your 6-Series sonde or SonTek ADP


SmartGuard Datalogger

Aanderaa SmartGuard Datalogger

The next generation sensor and instrument datalogger for Ocean, Lake, Reservoir, Estuary and River Hydrometric stations.



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Specification Sheets

SmartGuard Datalogger


EXO sonde


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