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  • ProDSS Handheld Multiparameter Sampling Instrument

    YSI

    The YSI ProDSS (digital sampling system) is a portable water quality multiparameter instrument for the measurement of several critical parameters - dissolved oxygen (optical), turbidity, pH, ORP, conductivity, specific conductance, salinity, TDS, resistivity, TSS, ammonium, ammonia, chloride,…

  • Pro Series Polarographic Dissolved Oxygen Sensor 2003B

    YSI

    Easy user-replaceable sensor allows for quick sensor replacements, if needed. No tools necessary. One-year sensor warranty. Uses convenient screw-on cap membranes making membrane changes simple and easy. Use with the Pro20, Pro20i, Pro1020, Pro2030, and Pro Plus instruments. Cables…

  • Conductivity Calibration Solutions

    YSI

    Calibrate your equipment for maximum accuracy Reagent-grade secondary standards Traceable to NIST standards 1,000, 10,000, 50,000 and 100,000 µmhos/cm Each bottle includes detailed instructions and a table of corrections at temperatures between 20 and 30°C. Packaged…

  • ProDIGITAL ODO/T Probes

    YSI

    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 …

  • Temperature Probe, 1 meter cable

    YSI

  • ProOBOD® Optical BOD Probe

    YSI

    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. EPA approved for wastewater compliance reporting of BOD and CBOD. The ProOBOD is designed for use with the YSI ProODO…

  • ProSolo Digital Water Quality Meter

    YSI

    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…

  • Pro Plus Multiparameter Instrument

    YSI

    Pro Plus. The ultimate handheld sampling instrument Tougher. Smarter. More Versatile. Tougher Do your job with confidence even in the harshest field conditions. The drop-tested Pro Plus was designed tough with military-spec connectors, a two-year warranty on all cables, weighted sensor…

  • MultiLab Multi-Parameter Benchtop Meters

    YSI

    The YSI MultiLab line includes the 4010-1W (single channel), 4010-2W (dual channel) and 4010-3W (three channel) instruments providing easy to use and calibrate menu-driven operation ideal for the laboratory. All MultiLab instruments can accurately measure pH, ORP, conductivity, and DO/BOD.…

  • Turbidity Standards

    YSI

    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…

  • TitroLine® 5000

    YSI

    The predecessor of the TitroLine® 5000, TitroLine® easy, has always been the first choice if you where looking for a very easy-to-use automatic titrator for any application. A special training or a deeper knowledge of automatic titration was not necessary to get precise and quick results.…

  • Pro2030 Dissolved Oxygen, Conductivity, Salinity Instrument

    YSI

    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. EPA approved for…

  • Conductance Meter Calibration Set

    YSI

    Assures high accuracy and stability Plug-in modules Calibration value from 1 mS to 1 S Furnished in plastic storage case Set of seven plug-in units for calibrating conductance meters are characterized for both AC and DC use and are mounted on banana plugs for speed and…

  • EcoSense DO200A Dissolved Oxygen/Temperature Meters

    YSI

    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. The DO200A simultaneously…

  • pH(ISE) Probe

    YSI

    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

  • Accessories for TitroLine® & TITRONIC®

    YSI

    Thomas No. 1165W08 Manufacturer calibration certificate for new devices, Manufacturer calibration certificate for new piston burettes and titrators. Thomas No. 1165W09 Magnetic stirrer, for glass vessels up to maximale 500 ml, speed can be adjusted without discrete steps 0 - 1000 min-1,…

  • Galvanic DO Probe

    YSI

    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

  • pH Probe, 1 meter cable

    YSI

    Measure pH quickly and easily in the lab with the 110 sensor. Lab-grade, pH/temperature sensor with 1-meter cable For use with the pH100 instrument Six-month sensor manufacturer’s warranty

  • ProSolo ODO/CT Kits

    YSI

    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…

  • EcoSense ODO200 Dissolved Oxygen Meter

    YSI

    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…

  • TruLine Replacement Modules

    YSI

    TruLine ammonia replacement membrane modules; ammonium, calcium, nitrate and potassium electrode replacement sensor modules.

  • TITRONIC® 500

    YSI

    The TITRONIC® 500 is the ideal piston burette for manual titrations, accurate dosing applications as well as the preparation of solutions. When used with TitriSoft 3.0, it acts as a titration burette or with the TitroLine®7000 and TitriSoft 3.0, it is an automatic dosing unit perfect to…

  • Pro1020 Field Dissolved Oxygen / pH / ORP Instrument

    YSI

    Easy to use, rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of dissolved oxygen, temperature and either pH or ORP. User-replaceable sensors and cables, 50 data set memory, and convenient calibration routine makes it user friendly. A…

  • Nitrate Standards

    YSI

    Calibration solutions for field instruments with a nitrate sensor. 500 mL of standard (plastic bottle) is available in 1, 10, and 100 mg/L.

  • ORP(ISE) Probe

    YSI

    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

  • Pro20i Dissolved Oxygen Instruments

    YSI

    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…

  • EcoSense DO200M Dissolved Oxygen/Temperature Meters

    YSI

    The DO200M dissolved oxygen instrument offers fast dissolved oxygen response times in wastewater, surface water, and aquaculture applications. Available sensors are EPA approved for wastewater compliance reporting of BOD, CBOD, and DO. Compared to the EcoSense® DO200A, the DO200M features…

  • Pro Series Lab Dock

    YSI

    This dock is ideal in the laboratory, when connecting to Data Manager desktop software, or just storing the instrument for the next trip to the field. Can be used with the instrument or instrument and Pro Comm II communications saddle.

  • Pro Series pH/ORP/ISE Field Cables

    YSI

    The 60510 is a 1-port cable for use with the Professional Plus and Pro10 instruments. The port requires a pH, ORP, or ISE sensor. The 60510 pH/ORP/ISE cables ONLY work with the YSI Pro Plus and Pro10 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters.  …

  • Pro Series Dual pH/ORP/ISE Field Cables

    YSI

    The 6051010 is a 2-port (i.e. dual) pH/ORP/ISE cable that ONLY works with the YSI Professional Plus instrument. The cable has 2 ports for any combination of pH, ORP, or ISE sensors. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters. Cables over 1-meter come with the 603062…

  • Pro Series Conductivity Field Cables

    YSI

    The 60530 conductivity cable can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters. Cables come with the sensor built directly into the cable so there is no need to order a conductivity sensor. Cables over 1-meter also come with the 603062 cable management kit. The 60530 conductivity cables…

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