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  • The TitroLine® 5000 is the first choice if you are looking for a very easy-to-use automatic titrator for any application. Specialized training or a deeper knowledge of automatic titration is not necessary to get precise and quick results. That and much more is exactly what the TitroLine®…

  • We recommend that YSI-certified polymer-based standards are used for best results. YSI's polymer-based standards are prepared and labeled so they are traceable to the EPA's primary standard, Formazin Polymer standards from other vendors may not be properly adjusted to meet…

  • 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…

  • The pH/EC1030A is designed for quick, accurate results in an economical platform. The pH/EC1030A is the perfect instrument for spot sampling of pH, conductivity, total dissolved solids (TDS), salinity and temperature in applications such as wastewater, surface water, aquaculture, hydroponics,…

  • Usable with all classic grey box and lab meters Measures dissolved oxygen and temperature in B.O.D. bottles Designed to fit into neck of any bottle with a 0.675 inch opening Probe requires manual stirring or use of magnetic stirrer With Membrane and KCl kit. Lead, 1.5 meter (5 ft.).

  • Enhance your lab’s accuracy with YSI TITRONIC® 300 Manual Titrator. These titrators feature a motor-driven piston burette for precise titrations and dosing of dispensable liquids. Adjustable dosing rate, filling rate and adjustable filling between each dose step makes these units…

  • The EcoSense ® pH10A pen-style instrument provides an ultimate feature set over similar competitive models. The pH10A features an easy-to-use graphic interface, simple one-hand operation, memory, and low cost of ownership over the life of the product. The easy, user-replaceable electrode…

  • Includes bottle of electrolyte, 1 sanding disc, and 6 screw-on cap membranes. 2.00 mL PE membranes, Blue cap Response Time (T95 - from 0 to 100%) = 17 seconds Flow Dependence After 4 Minutes = 18% Required Flow Rate = 3 inches/second  

  • BOD Analyst Program for WINDOWS Conforms to Standard Methods Saves time and reduces errors Automates BOD calculations Insures data integrity Eliminates need for initial measurements of each sample dilution and derives theDO values based on the measurement of only…

  • Measure pH, mV (ORP) and temperature accurately in the laboratory with the YSI pH 1110. This benchtop instrument for basic, routine measurements in the lab is an accurate and easy-to-use solution for repeatable pH or mV measurements. Features: Single channel measurement of pH or mV…

  • Automatic Titrator for the coulometric KF-Titration The TitroLine® 7500 KF trace is a compact, easy-to-use coulometric titrator for water determination according to Karl Fischer (KF) with a typical operating range of 1 ppm - 5% water. General features High visibility,…

  • The ProODO™ handheld meter provides durability for the measurement of optical, luminescent-based dissolved oxygen for any field application. The ProODO is rated to IP-67 standards even without the battery cover on. In-house testing procedures also include 1M drop tests from all angles to…

  • Thomas No. 1203K02 Used with MultiLab product line Thomas No. 1203K03 Used with MultiLab product line Thomas No. 1203K04 Used with MultiLab product line Thomas No. 1203K05 YSI ProOBOD can be used with the MultiLab benchtop instrument for your BOD measurements.…

  • Galvanic DO Sensor for use with Professional Plus and Pro20 instruments. Easy user-replaceble sensor allows for quick sensor replacements if needed Comes with six membrane caps and bottle of solution

  • Pro20i Parameters Dissolved Oxygen (DO%, DO Local, mg/L, ppm) Temperature (°C, °F) Barometric Pressure (mmHg, inHg, mbar, psi, kPa) The YSI Pro20i provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the…

  • Includes bottle of NaCl electrolyte, 1 sanding disc, and 6 screw-on cap membranes. 1.25 Mil PE, Polyethylene membranes. Yellow cap. Response Time (T95 - from 0 to 100%) = 8 seconds Flow Dependence After 4 Minutes = 25% Required Flow Rate = 6 inches/ second

  • The number of samples to be processed is growing constantly while at the same time the demands on reliability are increasing in accordance with GLP and ISO 900X standards. The TW 7400 sample changer helps you meet these increased requirements and relieve qualified employees from routine work. The X…

  • Zobell Solution is used for calibrating ORP/Redox on several YSI instruments. A convenient temperature chart with corresponding ORP values is included for simple calibration value inputs. Concentrated powder makes 125, 250, or 500mL of calibration standard.

  • Titration software for TitroLine® 7000, TitroLine® 7500 KF/7500 KF trace, TitroLine® 7750 and TitroLine® alpha plus.

  • Automatic Titrator for the volumetric KF titration The TitroLine® 7500 KF is the universalist for the volumetric Karl Fischer titration with a wide operating range of a few ppm - 100% water content. The addition of the solvent and the extraction of the titrated sample are carried out by…

  • The ProSolo ODO/CT kit includes the digital handheld with the optical dissolved oxygen, conductivity, and temperature cable/probe assembly in a soft-sided carrying case. The ODO/CT probe assembly pairs with the ProSolo Handheld to form a complete sampling system. Featuring integral, digital…

  • ORP Probe for Professional Plus Handheld Multiparameter Meters. For lab-grade and field applications Easy user-replaceble sensor allows for quick sensor replacements if needed Measure ORP (oxidation reduction potential), or redox, quickly and easily with the 1002 sensor

  • Measure pH, mV (ORP) and temperature accurately in the laboratory with the YSI pH 1310 or 1310P with built-in printer. The TruLab pH 1310 benchtop meter is the ideal laboratory instrument for reliable pH/mV measurements with automatic documentation for GLP compliance. The 1310 benchtop is an…

  • The EcoSense ® EC30A pen-style instrument provides an ultimate feature set over similar competitive models. The EC30A features an easy-to-use interface, simple one-hand operation and low cost of ownership over the life of the product. The easy, user-replaceable electrode ensures the…

  • The EC300M offers convenient measurement of conductivity, specific conductance, salinity, total dissolved solids, and temperature in many field applications. Compared to the EcoSense® EC300A the EC300M features extended memory and simple data transfer with a micro-USB port. Features of…

  • Easy user-replaceble sensor allows for quick sensor replacements if needed.  No tools necessary.  Measure pH quickly and easily with the 1001 sensor Use with the Professional Plus instrument Cables must be ordered separately One-year manufacturer’s sensor warranty

  • Rugged and reliable, the YSI Pro1030 provides everything you need in a handheld instrument for the measurement of either pH or ORP along with temperature, conductivity, specific conductance, salinity and total dissolved solids (TDS). User-replaceable sensors (pH and ORP sensors) and cables…

  • Electrolyte solution in DURAN® bottles.

  • The Pro DIGITAL ODO/T probe and cable assembly features integral optical dissolved oxygen and temperature sensors. Cable lengths are available up to 100 meters. The ODO/T probe assembly pairs with the ProSolo Handheld to form a complete sampling system. Please visit the ProSolo ODO/T Kits …

  • 1198F09: IoLine - 3 in 1; pH electrode with temperature, triple-junction, Iodine/Iodide reference, 3 in 1, refillable, glass shaft with 1-m cable, BNC connector, 1 banana plug, NTC 30 kOhm. Dimensions = 120 mm length; 12 mm OD. 1198F10: IoLine Micro - 3 in 1; pH electrode with temperature,…

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