Benchtop Water Quality

YSI EcoSense pH1000A

The EcoSense pH1000A benchtop meter is the ideal laboratory instrument for reliable measurements. It is an accurate, easy-to-use solution for the measurement of pH/mV/ORP in the laboratory.

YSI MultiLab 4010-1

Connect digital IDS sensors to the MultiLab 4010-1 for the measurement of pH, ORP, conductivity, and DO/BOD.

YSI MultiLab 4010-2

Laboratory Instruments for pH, ORP, conductivity, BOD and Ion Activity Measurement
Connect digital IDS sensors to the MultiLab 4010-2 for the measurement of pH, ORP, conductivity, and DO/BOD in any combination. Ion selective electrodes (ISEs) can also be connected to the instrument.

YSI MultiLab 4010-3

Laboratory Instrument for pH, ORP, Conductivity, BOD and Ion Activity Measurement
Connect digital IDS sensors to the MultiLab 4010-3 for the measurement of pH, ORP, conductivity, and DO/BOD in any combination. Ion selective electrodes (ISEs) can also be connected to the instrument.

YSI MultiLab IDS Kit

The YSI MultiLab line includes the 4010-1 (single channel), 4010-2 (dual channel) and 4010-3 (three channel) instruments providing easy to use and calibrate menu-driven operation ideal for the laboratory.

YSI TruLab 1320 pH/ISE

Measure pH, ORP, and ion activity with the TruLab 1320 dual channel instrument by choosing from our wide selection of electrodes.

YSI 5000/5100 DO Laboratory Benchtop Meters

Accurate, reliable YSI benchtop dissolved oxygen instruments for the laboratory. Easily conduct DO, BODs or OUR/SOUR tests. Both instruments feature: auto-calibration, large, graphic displays and low keypad profiles for maximum efficiency.

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.

SI Analytics ProLab 2500 Digital Benchtop Meter

The SI Analytics ProLab 2500 is a digital high-performance meter with three channels. With its color graphic display protected by glass, high-quality zinc die-casting base as well as the anti-bacterial keyboard cover, it meets even the highest demands.

SI Analytics Lab 955 Conductivity Benchtop Meter

The SI Analytics Lab 955 for conductivity measurements is a perfectly suited benchtop meter for measurements in laboratories in the chemical and pharmaceutical industries as well as in medical labs.

SI Analytics Lab 875 / 875P Benchtop Meter

The SI Analytics Lab 875 with a digital measuring channel is optimal in the world of digital multi-parameter measurement using IDS®. The IDS® technology allows optimized measurements and effi cient documentation in the simplest manner.

SI Analytics Lab 865 pH Benchtop Meter

The SI Analytics Lab 865 pH benchtop meter provides the maximum degree of operating comfort, reliability and measuring certainty for all applications - perfect for precise pH measurements in quality assurance labs requiring GLP documentation.

SI Analytics Lab 855 pH Benchtop Meter

The SI Analytics Lab 855 for pH and Lab 955 for conductivity measurements are perfectly suited benchtop meters for measurements in laboratories, in the chemical and pharmaceutical industries as well as in medical labs.

YSI TruLab pH 1310P

Laboratory Instrument for pH, mV (ORP) and temperature.Perform accurate lab pH, mV (ORP) and temperature measurements with the YSI 1310 and 1310P with printer.

EPA approved for drinking water and wastewater compliance reporting of pH.

Instrument Only. Cables, probes/sensors, and accessories sold separately.

YSI TruLab pH 1110

Laboratory Instrument for pH, mV (ORP) and temperature

Perform accurate lab pH, mV (ORP) and temperature measurements with the YSI 1110. TruLab 1110 pH/mV single channel benchtop instrument with BNC and two banana plug connectors. Includes instrument, universal AC power supply and electrode stand.

EPA approved for drinking water and wastewater compliance reporting of pH.

Instrument Only. Cables, probes/sensors, and accessories sold separately.

YSI TruLab pH/ISE 1320P

Laboratory Instrument for pH, mV (ORP), and Ion Activity Measurement

Measure pH, ORP, and ion activity with the TruLab 1320 dual channel instrument by choosing from our wide selection of electrodes. Data can be conveniently printed from the instrument via the optional integrated printer (1320P).

EPA approved for drinking water and wastewater compliance reporting.

Instrument Only. Cables, probes/sensors, and accessories sold separately.

YSI MultiLab 4010P-1

Laboratory instrument for DO/BOD, pH, ORP, and conductivity measurement. EPA approved for drinking water and wastewater compliance reporting.

Connect digital IDS sensors to the MultiLab 4010-1 for the measurement of DO/BOD, pH, ORP, and conductivity. Data can be conveniently printed from the instrument via the optional integrated printer (4010P-1).

Instrument Only. Cables, probes/sensors, and accessories sold separately.

YSI MultiLab IDS 4120 pH and Temperature Sensor

pH and temperature, plastic, 3 mol KCl, digital, double junction probe, 1.5 meter (~5 ft) cable, refillable reference

YSI 5000 Dissolved Oxygen Instrument

Accurate, reliable YSI benchtop dissolved oxygen instruments for the laboratory. Easily conduct DO, BODs or OUR/SOUR tests. Both instruments feature: auto-calibration, large, graphic displays and low keypad profiles for maximum efficiency. EPA approved for wastewater compliance reporting of BOD, CBOD, and DO. 

Has the 5000 been your trusted BOD instrument for the last decade? If so, check out our new BOD instrument, the YSI MultiLab.

YSI 5100 Dissolved Oxygen Instrument

Accurate, reliable YSI benchtop dissolved oxygen instruments for the laboratory. Easily conduct DO, BODs or OUR/SOUR tests. Both instruments feature: auto-calibration, large, graphic displays and low keypad profiles for maximum efficiency. EPA approved for wastewater compliance reporting of BOD, CBOD, and DO.

Has the 5100 been your trusted BOD instrument for the last decade? If so, check out our new BOD instrument, the YSI MultiLab.

OI Analytical Flow Solution™ FS 3700 Automated Chemistry Analyzer

The FS 3700 Automated Chemistry Analyzer is an advanced continuous flow analyzer designed to improve laboratory productivity by automating wet chemistry test procedures.

YSI TruLine Nitrate Electrode Kit

Each TruLine ISE features an integrated reference. This eliminates the need for a separate reference half-cell when measuring ion concentration and is more convenient. Each ISE can be refilled with reference/electrode filling solution, extending the life of each ISE. The electrodes also feature a double-junction reference for optimum performance in the lab.

YSI Science pHT-G pH Electrode

Our pH electrodes are designed to meet the requirements of a wide variety of laboratory applications. pH electrode options include single, double or triple junction, 3-in-1, micro for small samples, refillable or non-refillable and other special configurations like Iodine/Iodide reference, Platinum junction or ground junction.

YSI Science pHT-Micro pH Electrode

Our pH electrodes are designed to meet the requirements of a wide variety of laboratory applications. pH electrode options include single, double or triple junction, 3-in-1, micro for small samples, refillable or non-refillable and other special configurations like Iodine/Iodide reference, Platinum junction or ground junction.

YSI TruLine pH 27 Electrode

Our pH electrodes are designed to meet the requirements of a wide variety of laboratory applications. pH electrode options include single, double or triple junction, 3-in-1, micro for small samples, refillable or non-refillable and other special configurations like Iodine/Iodide reference, Platinum junction or ground junction.

YSI IoLine Micro 3 in 1 pH Electrode

Our pH electrodes are designed to meet the requirements of a wide variety of laboratory applications. pH electrode options include single, double or triple junction, 3-in-1, micro for small samples, refillable or non-refillable and other special configurations like Iodine/Iodide reference, Platinum junction or ground junction.

YSI TruLine Ammonia Electrode Kit

Each TruLine ISE features an integrated reference. This eliminates the need for a separate reference half-cell when measuring ion concentration and is more convenient. Each ISE can be refilled with reference/electrode filling solution, extending the life of each ISE. The electrodes also feature a double-junction reference for optimum performance in the lab.

YSI IoLine 3 in 1 pH Electrode

Our pH electrodes are designed to meet the requirements of a wide variety of laboratory applications. pH electrode options include single, double or triple junction, 3-in-1, micro for small samples, refillable or non-refillable and other special configurations like Iodine/Iodide reference, Platinum junction or ground junction.

YSI ProOBOD Optical BOD Probe

The ProOBOD® self-stirring optical BOD probes are designed to fit into standard 300 mL BOD bottles with an international version also available for use with other tapers.

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 MultiLab IDS 4110 pH and Temperature Sensor

pH electrode, plastic, gel, digital, double junction, 1.5 meter (~5 ft) cable

YSI MultiLab IDS 4120 pH and Temperature Sensor

pH and temperature, plastic, 3 mol KCl, digital, double junction probe, 1.5 meter (~5 ft) cable, refillable reference

YSI MultiLab IDS 4110-3 pH and Temperature Sensor

pH electrode, plastic, gel, digital, double junction, 3 meter (~10 ft) cable

YSI MultiLab IDS 4130 pH and Temperature Sensor

pH and temperature, glass, 3 mol KCL, digital, double junction, 1.5 meter (~5 ft) cable, refillable reference

YSI MultiLab IDS 4210 ORP Sensor

ORP, glass, digital, double junction, 1.5 meter (~5 ft) cable

YSI MultiLab IDS 4310 Conductivity and Temperature Sensor

IDS 4310 digital conductivity/temperature probe for the YSI MultiLab. Features an epoxy body, 4-graphite electrodes, and a 1.5 meter cable. The 4310 probe can only be calibrated with a 1,413 uS/cm conductivity standard (060906) (Select in "Option" drop down menu).

YSI MultiLab IDS 4310-3 Conductivity and Temperature Sensor

IDS 4310-3 digital conductivity/temperature probe for the YSI MultiLab. Features an epoxy body, 4-graphite electrodes, and a 3 meter cable. The 4310-3 can only be calibrated with a 1,413 uS/cm conductivity standard (060906) (Select in "Option" drop down menu).

YSI MultiLab IDS 4320 Conductivity and Temperature Sensor

IDS 4320 digital conductivity/temperature probe for the YSI MultiLab. Features a stainless steel body, 2-electrodes, and a 1.5 meter cable. The IDS 4320 probe is designed for ultra-pure water applications and cannot be calibrated by the user, although the probe is factory calibrated.

YSI MultiLab IDS ProOBOD

The IDS ProOBOD® self-stirring optical BOD probe for use with the YSI MultiLab. Designed to fit into standard 300 mL BOD bottles. EPA approved for wastewater compliance reporting of BOD and CBOD.

YSI TruLine Ammonium Electrode Kit

The TruLine Ammonium ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Ammonium laboratory electrode kit includes a PVC membrane combination ISE with replaceable sensor module and refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Ammonium ISE range: 0.02 to 1800 mg/L

YSI TruLine Cyanide Electrode Kit

The TruLine Cyanide ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Cyanide laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), and a bottle of ISA (30 mL).

Cyanide ISE range: 0.2 to 260 mg/L

EPA approved for wastewater and drinking water compliance reporting of cyanide.

YSI TruLine Iodide Electrode Kit

The TruLine Iodide ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Iodide laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Iodide ISE range: 0.006 to 127000 mg/L

YSI TruLine Bromide Electrode Kit

The TruLine Bromide ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Bromide laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Bromide ISE range: 0.4 to 79900 mg/L

EPA approved for wastewater compliance reporting of bromide.

YSI TruLine Copper Electrode Kit

The TruLine Copper ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Copper laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Copper ISE range: 0.06 to 6400 mg/L

YSI TruLine Sodium Electrode Kit

The TruLine Sodium ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Sodium laboratory electrode kit includes a glass sensor combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Sodium ISE range: 0.1 to 23000 mg/L

YSI TruLine Calcium Electrode Kit

The TruLine Calcium ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Calcium laboratory electrode kit includes a PVC membrane combination ISE with replaceable sensor module and refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Calcium ISE range: 0.02 to 40000 mg/L

YSI TruLine Lead Electrode Kit

The TruLine Lead ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Lead laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Lead ISE range: 0.02 to 20700 mg/L

YSI TruLine Cadmium Electrode Kit

The TruLine Cadmium ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Cadmium laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Cadmium ISE range: 0.1 to 11200 mg/L

YSI TruLine Potassium Electrode Kit

The TruLine Potassium ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Potassium laboratory electrode kit includes a PVC membrane combination ISE with replaceable sensor module and refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Potassium ISE range: 0.04 to 39000 mg/L

EPA approved for wastewater compliance reporting of potassium.

YSI TruLine Silver/Sulfide Electrode Kit

The TruLine Silver/Sulfide ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Silver/Sulfide laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) silver standard.

Silver/Sulfide ISE range: 0.01 to 107900 mg/L (silver); 0.003 to 32100 mg/L (sulfide)

EPA approved for wastewater compliance reporting of sulfide.

YSI TruLine Chloride Electrode Kit

The TruLine Chloride ISE features BNC connection and can be used with the YSI TruLab 1320. It can also be used with the YSI MultiLab 4010-2 or 4010-3 if a BNC adapter is installed.

The TruLine Chloride laboratory electrode kit includes a solid state combination ISE with refillable reference, bottle of fill solution (30 mL), bottle of ISA (30 mL), and small bottle (30 mL) of high (1000 mg/L) standard.

Chloride ISE range: 1.8 to 35000 mg/L

EPA approved for wastewater compliance reporting of chloride.

YSI Electrode, Double Junction, pH10

Electrode, Double Junction, pH10

OI Analytical 1080 TOC Analyzer

Get more from your analysis with the 1080 TOC Analyzer, an instrument designed to process aqueous samples for the analysis of total organic carbon (TOC) using a multi-step analysis technique to distinguish and quantify different forms of carbon present in sample matrices and determine TOC content. Capable of processing up to 300 samples daily (over 100,000 samples per year depending on the method employed), the 1080 TOC Analyzer offers a broad sample scope of 50 ppb to 2,000 ppm.

OI Analytical Aurora 1030W TOC Analyzer

The Aurora 1030W TOC Analyzer processes aqueous samples for analysis of the total organic carbon (TOC), total inorganic carbon (TIC), and non-purgeable organic carbon (NPOC) content of the samples.

OI Analytical Aurora 1030C TOC Analyzer

Get more from your analysis with the Aurora 1030C TOC Analyzer, an instrument designed to process aqueous samples for the analysis of total organic carbon (TOC) using the high temperature combustion technique. Capable of processing up to 300 samples daily, the Aurora 1030C offers a broad sample scope of 100 ppb to 30,000 ppm.

OI Analytical 1088 Rotary TOC Autosampler

The 1088 Rotary Autosampler is specifically designed to operate with the Aurora 1030W TOC analyzer  or  Aurora 1030C TOC analyzer. The 1088 autosampler aspirates liquid samples from vials and transfers each sample aliquot to an Aurora 1030 TOC analyzer for analysis. A removable 88-position autosampler tray loads the sample vials for fully automated, unattended operation.

OI Analytical Eclipse 4660 Purge-and-Trap Sample Concentrator

The Eclipse 4660 Purge-and-Trap Sample Concentrator processes samples for analysis of volatile organic compounds (VOCs) by gas chromatography (GC) or gas chromatography/mass spectrometry (GC/MS). Innovative, patented components within the Eclipse significantly improve sample processing steps of the purge-and-trap technique. 

OI Analytical 4100 Water/Soil Sample Processor

The OI Analytical 4100 Water / Soil Sample Processor automates the handling and processing of samples in 40-mL VOA vials for purge-and-trap analysis of volatile organic compounds (VOCs) in accordance with U.S. EPA methods. The 4100 efficiently processes up to 100 drinking water, wastewater, or soil samples and operates with a single or dual Eclipse 4660 purge-and-trap instruments.

OI Analytical 4551A Purge-and-Trap Water Autosampler

The M4551A Purge-and-Trap Water Autosampler achieves results by automating VOC analysis of up to 51 samples. Vertical docking of the autosampler to the Eclipse 4660 Sample Concentrator means no extra benchspace is used. The removable, lightweight sample carousel makes sample loading and unloading easy, while its spiral design optimizes septum-piercing accuracy. With its proven, reliable sample handling system, the Model 4551A gets the job done, sample after sample.

OI Analytical LV-20 Standards Addition Module

The LV-20 Standards Addition Module is an option for the 4551A Purge-and-Trap Autosampler that injects programmed volumes (1, 2, 5, 10, or 20 microliters) of internal standard, surrogate or matrix spike standards to improve the accuracy and precision of GC-GC-MS analyses.

OI Analytical Pulsed Flame Photometric Detector (PFPD)

OI Analytical's patented* Model 5380 Pulsed Flame Photometric Detector (PFPD) represents the latest advance in flame photometric detector design, optimizing selective detection of sulfur, phosphorus, and 26 other compounds.

OI Analytical 9210p On-line TOC Analyzer

The OI Analytical 9210p On-line Total Organic Carbon (TOC) Analyzer is designed to continuously monitor TOC levels in process water streams. The 9210p uses proven heated persulfate oxidation technology for accurate, dependable operation and regulatory compliance. Virtually all organic compounds dissolved in water can be oxidized with high efficiency by this technique.

OI Analytical CNSolution™ 9310 On-line Cyanide Analyzer

The OI Analytical CNSolution™ 9310 On-line Cyanide Analyzer is designed to measure available cyanide in precious metal leaching solutions by U.S. EPA Method OIA-1677 and ASTM D 6888-09. The gas-diffusion amperometry technique in these methods has been demonstrated to be free of interferences from copper and metallic sulfides that impair the accuracy of traditional techniques such as titration.

OI Analytical 1030S TOC Solids Analysis Module

The 1030S Solids Module is a sample preparation module enabling the analysis of the total organic carbon (TOC) or total carbon (TC) content in solid materials. The 1030S module is operated in conjunction with an Aurora 1030W or 1030C TOC analyzer.

OI Analytical 4760 Eclipse Purge-and-Trap Sample Concentrator

The Eclipse 4760 Purge and Trap Sample Concentrator sets a new standard for ease-of-use for volatile organic compound (VOC) analysis. The new 4th generation system includes the popular features from the Eclipse platform that chemists around the world rely on for accurate, dependable results along with technology enhancements, intuitive software, and a slim-line, open architecture design that saves bench space and allows easy access to components.

OI Analytical Flow Solution™ FS 3700 Automated Chemistry Analyzer

The FS 3700 Automated Chemistry Analyzer is an advanced continuous flow analyzer designed to improve laboratory productivity by automating wet chemistry test procedures.

WTW OxiTop® BOD self check measurement

WTW OxiTop® systems are easy-to-use meters for BOD for self-monitoring. OxiTop®-C measuring systems can execute anaerobic and aerobic examinations across the entire spectrum of biodegradability and evaluate them on the computer