Water Quality Handhelds
Single and Multiparameter meters that provide 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. Multiple sensor options with brands from YSI, SIA, WTW, and Global water, Xylem Analytics Australia has the handheld instrument to meet your needs.
- Multiparameter
- DO / BOD
- EC / Electrical Conductivity
- pH
- Turbidity
- Sondes

YSI EXO1 Multiparameter Sonde
Capturing accurate data in fresh water, ground water and marine aquatic environments is easy with the versatile multiparameter EXO1 sonde. Ideal for estuarine, surface water or ground water applications.
Instrument Only. Cables, probes/sensors, and accessories sold separately - please see the "Accessories" tab for details.

YSI EXO2 Multiparameter Sonde
The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

WTW MultiLine® IDS Series of Multi-parameter Portable Meters
The new multi-parameter systems with intelligent, digital sensors for pH, dissolved oxygen (DO) and conductivity measurement revolutionize multi-parameter measurement:
The signal processing is completely located in the sensor, and the measuring signal is transmitted to the meter without interference and in a clearly identifiable manner via thin, highstrength cables. A wide range of sensors are available for virtually every application.

YSI Professional Plus Multiparameter Meter
The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of parameters such as DO, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

YSI ProDSS - Digital Sampling System
The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, turbidity, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature along with depth.

SI Analytics HandyLab 680 Portable pH IDS Meter
The digital HandyLab 600 concentrates on the pH measurement as a one-channel device, whereas the HandyLab 680 allows you to measure any two parameters simultaneously; pH, ORP, conductivity or oxygen.

YSI Pro1020
The Pro1020 provides everything you need in a handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure pH or ORP, dissolved oxygen, and temperature.

YSI Pro1030
The Pro1030 provides everything you need in a handheld meter that measures pH or ORP (redox) along with conductivity. Rugged, simple and reliable. Measure pH or ORP, salinity, conductivity, specific conductance, TDS, and temperature.

YSI Pro2030
The ideal replacement for the discontinued YSI Model 85. The Pro2030 provides everything you need in a handheld dissolved oxygen meter that automatically compensates for changes in salinity values. Rugged, simple and reliable. Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature.

YSI EcoSense Laboratory-Grade pH Electrode
pH Electrode and 1M Cable - Laboratory-Grade

YSI ProSolo Digital Water Quality Meter
An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical dissolved oxygen field meter. Paired with the latest optical DO and temperature (ODO/T) probe, the ProSolo benefits from years of expertise in cutting-edge dissolved oxygen technology.
The ProSolo handheld is the direct replacement to the ProODO Optical Dissolved Oxygen handheld, and is fully compatible with ProODO cables and ProOBOD probes. The ProODO has been discontinued since Dec. 31, 2018.

YSI 556 Handheld Multiparameter Instrument
The 556 MPS handheld instrument has been discontinued and Xylem Analytics - YSI is no longer accepting orders for this instrument. However, we will continue to support existing 556's for the next 5 years. We recommend The Professional Plus (Pro Plus) or ProDSS handheld instruments as suitable replacements.

YSI ProSwap Digital Water Quality Meter
Swap one smart sensor for another with the ProSwap digital water quality meter! Featuring built-in temperature and optional depth sensors, ProSwap can transform into whatever you need: a purpose-built turbidity meter or a high-accuracy optical DO meter; a spot sampling pH meter or a profiling conductivity-temperature-depth system. Even beach monitoring for harmful algal blooms is possible with ProSwap!

WTW BOD Measurements / Respiration
In routine use BOD determination is used to check the wastewater in the inflow and discharge of wastewater treatment plants. Depending on the measurement site and type of wastewater the BOD value can lie between a few mg/l and several thousand mg/l. Xylem Analytics - WTW offers several methods for carrying out the measurement.

WTW MultiLine® IDS Series of Multi-parameter Portable Meters
The new multi-parameter systems with intelligent, digital sensors for pH, dissolved oxygen (DO) and conductivity measurement revolutionize multi-parameter measurement:
The signal processing is completely located in the sensor, and the measuring signal is transmitted to the meter without interference and in a clearly identifiable manner via thin, highstrength cables. A wide range of sensors are available for virtually every application.

YSI ProODO - Dissolved Oxygen Meter
The YSI PRO ODO is the best handheld optical dissolved oxygen instrument on the market. The handheld dissolved oxygen meter provides extreme durability for measuring DO with optical, luminescent based technology for both the field and lab.

YSI Pro20 Dissolved Oxygen 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 EcoSense ODO200 Handheld - Optical Dissolved Oxygen Meter
Accurate, economical, handheld dissolved oxygen measurements using optical technology.
The EcoSense® line of compact, handheld instruments provides the most accurate data in the most affordable format. The instruments feature an easy-to-use interface, one-hand operation, IP67 waterproof case, and low cost of ownership over the life of the product.

YSI EcoSense DO200A Dissolved Oxygen Meter
The DO200A is part of the EcoSense® family of products. The DO200A dissolved oxygen instrument offers fast dissolved oxygen response times in wastewater, surface water, and aquaculture applications.

YSI EcoSense EC30A Sensor Kit
Sensor Kit, EC30A, Grey

YSI EcoSense EC300A Conductivity Meter Kit
The EC300A handheld conductivity instrument is part of the EcoSense® family of products. The EC300A offers convenient conductivity, specific conductance, salinity, total dissolved solids, and temperature with a super-stable, four-electrode conductivity cell for true field applications.

YSI EcoSense EC300A Conductivity Meter
The EC300A handheld conductivity instrument is part of the EcoSense® family of products. The EC300A offers convenient conductivity, specific conductance, salinity, total dissolved solids, and temperature with a super-stable, four-electrode conductivity cell for true field applications.
Instrument Only. Cables, probes/sensors, and accessories sold separately.

YSI Ecosense Carrying Case, Hard Plastic w/Form Fitted Foam Insert Only
Carrying Case, Hard Plastic w/Form Fitted Foam Insert 12.5x9.5x3.7

YSI EcoSense DO200A Dissolved Oxygen Field Cable
DO and Temp Field Probe and Cable

YSI EcoSense EC30A Conductivity Pen
The EC300A handheld conductivity instrument is part of the EcoSense® family of products. The EC300A offers convenient conductivity, specific conductance, salinity, total dissolved solids, and temperature with a super-stable, four-electrode conductivity cell for true field applications.

YSI EcoSense ODO200 Optical Dissolved Oxygen Meter Kit
EcoSense ODO200 is an optical-based dissolved oxygen meter ideal for DO sampling. The ODO200 Kit includes the Ecosense ODO200 meter, field cable, probe and carrying case.

YSI EcoSense pH100A Meter
YSI's EcoSense® product line of compact, handheld instruments includes the pH100A pH meter. For simple, one handed operation for pH readings or mV values and temperature the pH100A is a logical choice.

YSI EcoSense Temperature Probe
Temperature Probe and 1 M Cable

YSI EcoSense Laboratory-Grade pH Electrode
pH Electrode and 1M Cable - Laboratory-Grade

YSI EcoSense ODO200 Optical DO Field Cable
Optical DO and Temperature Field Probe and Cable

YSI EcoSense ORP15A ORP Temperature Pen Tester
The ORP15A is part of the EcoSense® family of products. The ORP15A offers accurate, low-cost measurement of ORP (absolute and relative) along with temperature.

YSI EcoSense Pen Tester Battery Kit
Replacement Part,Battery Kit

YSI EcoSense DO200A Dissolved Oxygen Meter Kit
The DO200A is part of the EcoSense® family of products. The DO200A dissolved oxygen instrument offers fast dissolved oxygen response times in wastewater, surface water, and aquaculture applications.

YSI ProSolo Digital Water Quality Meter
An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical dissolved oxygen field meter. Paired with the latest optical DO and temperature (ODO/T) probe, the ProSolo benefits from years of expertise in cutting-edge dissolved oxygen technology.
The ProSolo handheld is the direct replacement to the ProODO Optical Dissolved Oxygen handheld, and is fully compatible with ProODO cables and ProOBOD probes. The ProODO has been discontinued since Dec. 31, 2018.

YSI EcoSense BOD Probe
Self-stirring laboratory BOD probe for use with the EcoSense DO200 or DO200A.
Includes external power adapter and 5908 Cap Membrane Kit (1.25 Mil PE membranes).

YSI 3200 Conductivity Meter
The YSI 3200 is an innovative instrument that offers unmatched accuracy for ultrapure water analysis, multipoint calibration, and a high/low alarm for process applications.

WTW MultiLine® IDS Series of Multi-parameter Portable Meters
The new multi-parameter systems with intelligent, digital sensors for pH, dissolved oxygen (DO) and conductivity measurement revolutionize multi-parameter measurement:
The signal processing is completely located in the sensor, and the measuring signal is transmitted to the meter without interference and in a clearly identifiable manner via thin, highstrength cables. A wide range of sensors are available for virtually every application.

SonTek CastAway® CTD
NEW! Now integrated with HYPACK®! [Learn more] Designed for coastal profiling, the CastAway-CTD® incorporates a 6-electrode conductivity cell, coupled with a fast response thermistor to provide highly accurate, high resolution CTD measurements to depths of 100m.

YSI Pro30 Conductivity, Salinity Meter
The Pro30 provides everything you need in a handheld meter that measures salinity, conductivity, specific conductance, total dissolved solids, and temperature. Rugged, simple and reliable.

SI Analytics HandyLab 200 Conductivity Meter
Due to the wide selection of 2 and 4 pole measuring cells made by SI Analytics, the system consisting of a sensor and HandyLab 200 can be used for a variety of purposes such as conductivity, salinity, TDS and specific gravity. Autoread provides a stabile, precise measuring value. The backlit display and waterproof design make it especially ideal for field use. For easy reference, the HandyLab 200 has a storage capacity for up to 200 data sets, which can be put out on the display.

YSI EcoSense EC30A Sensor Kit
Sensor Kit, EC30A, Grey

YSI EcoSense EC300A Conductivity Meter Kit
The EC300A handheld conductivity instrument is part of the EcoSense® family of products. The EC300A offers convenient conductivity, specific conductance, salinity, total dissolved solids, and temperature with a super-stable, four-electrode conductivity cell for true field applications.

YSI EcoSense EC300A Conductivity Meter
The EC300A handheld conductivity instrument is part of the EcoSense® family of products. The EC300A offers convenient conductivity, specific conductance, salinity, total dissolved solids, and temperature with a super-stable, four-electrode conductivity cell for true field applications.
Instrument Only. Cables, probes/sensors, and accessories sold separately.

YSI EcoSense ODO200 Optical Dissolved Oxygen Meter Kit
EcoSense ODO200 is an optical-based dissolved oxygen meter ideal for DO sampling. The ODO200 Kit includes the Ecosense ODO200 meter, field cable, probe and carrying case.

YSI ProSolo Digital Water Quality Meter
An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical dissolved oxygen field meter. Paired with the latest optical DO and temperature (ODO/T) probe, the ProSolo benefits from years of expertise in cutting-edge dissolved oxygen technology.
The ProSolo handheld is the direct replacement to the ProODO Optical Dissolved Oxygen handheld, and is fully compatible with ProODO cables and ProOBOD probes. The ProODO has been discontinued since Dec. 31, 2018.

Meinsberg pH Combination Electrodes
pH combination electrode series: EGA 133 I, EGA 140, EGA 143, EGA 150 I, EGA 153 I, EGA 161 L/PG, EGA 173 I, EGA 233 I, EGC 151 I/S, EGP 150 I, EGV 150 I

WTW MultiLine® IDS Series of Multi-parameter Portable Meters
The new multi-parameter systems with intelligent, digital sensors for pH, dissolved oxygen (DO) and conductivity measurement revolutionize multi-parameter measurement:
The signal processing is completely located in the sensor, and the measuring signal is transmitted to the meter without interference and in a clearly identifiable manner via thin, highstrength cables. A wide range of sensors are available for virtually every application.

SI Analytics HandyLab 600 Portable pH IDS Meter
The digital HandyLab 600 concentrates on the pH measurement as a one-channel device, whereas the HandyLab 680 allows you to measure any two parameters simultaneously; pH, ORP, conductivity or oxygen.

YSI Pro10 pH / ORP Meter
The Pro10 provides everything you need in a handheld meter that measures temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure pH or ORP, and temperature.

SI Analytics HandyLab 100 Portable pH Meter
The HandyLab 100 increases the measuring speed and accuracy thanks to the AutoRead and the CMC function. AutoRead displays when the measuring value is stabile and eliminates the risk of a premature reading of the faulty measuring value. CMC (Continuous Measurement Control) visualizes whether the measuring value is still within the calibration limits. Having storage capacity for up to 200 data sets, stored data can be viewed.

YSI EcoSense pH100A Meter Kit
YSI's EcoSense® product line of compact, handheld instruments includes the pH100A pH meter. For simple, one handed operation for pH readings or mV values and temperature the pH100A is a logical choice.

YSI EXO1 Multiparameter Sonde
Capturing accurate data in fresh water, ground water and marine aquatic environments is easy with the versatile multiparameter EXO1 sonde. Ideal for estuarine, surface water or ground water applications.
Instrument Only. Cables, probes/sensors, and accessories sold separately - please see the "Accessories" tab for details.

YSI EXO2 Multiparameter Sonde
The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

YSI 600OMS V2 Sonde
Measure optical dissolved oxygen, chlorophyll, blue-green algae, rhodamine, or turbidity in combination with temperature, conductivity and depth. Designed for use in fresh, sea or polluted waters, the 600OMS V2 data sonde utilizes the field-proven YSI sensors and incorporates innovations in water quality sensor modules that fits into the sonde body.

YSI ProDSS - Digital Sampling System
The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, turbidity, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature along with depth.

Global Water Turbidity Sensor & Meter
Global Water's Turbidity Sensor is a highly accurate submersible instrument for in-situ environmental or process monitoring. Applications for the turbidity sensors include: water quality testing and management, river monitoring, stream measurement, reservoir water quality testing, groundwater testing, water and wastewater treatment, and effluent and industrial control.

WTW Turb 430 IR / Turb 430 T Turbidity Meter
The turbidity meters Turb® 430 IR acc. to DIN ISO 27027 and Turb® 430 T acc. to US EPA 180.1 meet the requirements of the nephelometric measurement at 90° stray light for drinking water with highest precision, especially in the range < 1 NTU. The measuring range comprises 0-1100 NTU/FNU with automatic measuring range switching and is therefore suitable for water analysis as well as quality control, such as gasoline, cell cultures, as well as in the food and beverage industries.

YSI EXO1 Multiparameter Sonde
Capturing accurate data in fresh water, ground water and marine aquatic environments is easy with the versatile multiparameter EXO1 sonde. Ideal for estuarine, surface water or ground water applications.
Instrument Only. Cables, probes/sensors, and accessories sold separately - please see the "Accessories" tab for details.

YSI EXO2 Multiparameter Sonde
The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

YSI 6600 V2 Sonde
The YSI 6600 V2 data sonde is the most comprehensive water quality monitoring equipment available with simultaneous measurement of conductivity (salinity), temperature, depth or level, pH/ORP and...

YSI 600OMS V2 Sonde
Measure optical dissolved oxygen, chlorophyll, blue-green algae, rhodamine, or turbidity in combination with temperature, conductivity and depth. Designed for use in fresh, sea or polluted waters, the 600OMS V2 data sonde utilizes the field-proven YSI sensors and incorporates innovations in water quality sensor modules that fits into the sonde body.

YSI 6920 V2 Sonde
The YSI 6920 V2 sonde is an economical water quality logging system, ideal for long-term in situ monitoring and profiling.Real-time turbidity monitoring, dissolved oxygen monitoring, algae monitoring, and more.

YSI EXO Probe and Sonde Protective Sleeves
These protective probe and sonde sleeves incase your equipment in an extra layer of protection. Fouling that attaches to this sleeve can be easily removed by simply cutting off and disposing of the sleeve.