Multiparameter Sondes

EXO1

EXO2

6600 V2

6920 V2

600OMS V2

Legacy Sondes

All Legacy Sondes

CTD

CastAway CTD

Process Monitors

IQ SensorNet 2020 XT

IQ SensorNet 182

P 700 Orthophosphate

Aquaculture Systems

5200A Multiparameter

5400 MultiDO

5500 MultiDO Optical

AquaViewer App

Professional Series

Handheld Instruments

Pro Plus Multiparameter

ProODO Optical DO/OBOD

Pro20 Lab/Field DO

Pro1020 Field DO/pH/ORP

Pro1030 Field pH/ORP/Cond

Pro2030 Field DO/Cond

Pro30 Field Cond

Classic Handheld Series

556MPS Multiparameter

550A Dissolved Oxygen

63 pH/Conductivity

60 pH

58 Lab/Field DO

55 Dissolved Oxygen

Colorimeters

900 Chlorine

910 COD

pHotoFlex Colorimeters

Laboratory Series

pH1200

5000/5100 BOD/DO

3200 Conductivity

3100 Conductivity

MultiLab 4010-1

MultiLab 4010-2

MultiLab 4010-3

TruLab 1110

TruLab 1310 and 1310P

TruLab 1320 and 1320P

EcoSense

pH10A - pH Pen

pH100A - pH

ORP15A - ORP Pen

DO200A - DO

EC30A - Conductivity Pen

EC300A - Conductivity

9300/9500 Photometer

All YSI Accessories

Sensors, Cables, Calibration Solutions & more...

YSI Systems

Buoys & Floating Platforms

EcoMapper AUV

EcoNet Data-to-Web

Vertical Profiling

Towed Underwater Vehicles

Underway Sampling System

Other YSI Products

SonTek Acoustic Doppler Systems for water velocity

YSI Systems

DAA WaterLog

YSI Life Sciences

Ammonia/Ammonium

Blue-Green Algae

BOD (Biochemical Oxygen Demand)

CDOM

Chloride

Chlorophyll

Conductivity

Depth

Dissolved Oxygen

Free Chlorine

Level

Nitrate

Oil / Hydrocarbon

ORP / Redox

Photosynthetic Active Radiation (PAR)

pH

Resistivity

Rhodamine

Salinity

Specific Conductance

Temperature

Total Dissolved Solids (TDS)

Turbidity

Colorimeter Parameters

Photometer Parameters

Aquaculture

Coastal

Desalination

Estuary

Drinking Water

Groundwater

Hydraulic Fracturing

Laboratory

Oceans

Raw Water

Source Water

Storm Water

Surface Water

Wastewater

Watersheds / TMDL

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Browse Products

YSI designs sensors, instruments, software, and data collection platforms for water quality sampling, water quality monitoring, and environmental monitoring.  Here you can choose your product from the Quick list, or browse by photo. Select a product to: Get specs; Get a price quote; or Ask a question.

Browse Products
Product Quick List

EXO1 Water Quality Sonde

EXO2 Water Quality Sonde

EXO Handheld

Multiparameter Sondes

Legacy Sondes

6600V2

6920 V2

6820 V2

600OMS V2

600XL V2 and 600XLM V2

6600EDS

600XL and 600XLM

600QS

600R

600LS

6920DW

600DW

650MDS

6500 Process Monitor

6-Series Anti-Fouling Kits

5200A

5400

EcoWatch Software

AQUARIUS Profiling

Streamline-ENV

Professional Series Product Line

Professional Plus

ProODO

Pro20

Pro30

Pro1020

Pro1030

Pro2030

556MPS

550A

60

55

58

5000 / 5100

5500D

BOD Analyst Pro™

3200

3100

MultiLab 4010-1

MultiLab 4010-2 and 4010-3

EcoSense

pH10A

ORP15A

DO200A

EC30A

EC300A

pH100A

pH1200

9300 / 9500 Photometer

900 Chlorine Colorimeter

910 COD Colorimeter

pHotoFlex Colorimeters

CastAway™ CTD

IQ SensorNet 2020 XT

IQ SensorNet 182 Models

P 700 IQ Orthophosphate Analyzer

IQ SensorNet MIQ/PS Module

IQ SensorNet MIQ/24V Module

IQ SensorNet MIQ/CR3 Module

IQ SensorNet MIQ/C6 Module

IQ SensorNet MIQ/R6 Module

IQ SensorNet MIQ/CHV PLUS Module

IQ SensorNet MIQ/Blue PS Module

IQ SensorNet MIQ/IC2 Module

IQ SensorNet MIQ/JB Module

IQ SensorNet MIQ/JBR Module

IQ SensorNet DIQ/JB Module

IQ SensorNet MIQ/VIS Module

Custom Services

AquaManager Software

AQUARIUS Time-Series™ Software

TruLab 1110

TruLab 1310 and 1310P

TruLab 1320 and 1320P