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  • Self-Stirring BOD Probes

    YSI

    Replaceable cap membrane Removable stirring mechanism Interchangeable design Simplifies measurement operations Use with standard 300 mL BOD bottles; no need for external stirring devices. Improved membrane life assures measurement consistency and speeds maintenance. Probe accuracy…

  • 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,…

  • Portable pH Meters

    YSI

    Designed for deep water measurements Auto shut-off Large LCD with back light Meter measures pH and temperature up to 100 feet and has replaceable pH sensor with waterproof connector. Water-tight case withstands the rigors of field use, and a built-in storage chamber protects the…

  • ProODO™ Handheld Optical Dissolved Oxygen Meter Accessories

    YSI

    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…

  • 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…

  • EcoSense pH100A pH/ORP/mV/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 pH100A measures pH, mV/ORP…

  • Model 3200 Conductivity Meter

    YSI

    Measures conductivity, salinity, temperature, resistivity and TDS 100-point data storage Real time clock with high/low alarms Suitable for very low conductivity measurements such as ultra-pure water. Meter uses Resistance Ratio Technology™ which continually compares the…

  • 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

  • Dissolved Oxygen/BOD Meters

    YSI

    Model 5000 (7230D60) Microprocessor-based, menu-driven meter Large, graphical LCD Datalogging up to 100 points Auto-stabilization Display provides on-screen menus and large data fields. Keys have tactile and audio response. RS232 interface. Features a real time clock. Dimensions: 9" L…

  • Cap Membrane Kit 1.25 Mil PE (6 each), includes electrolyte (yellow cap)

    YSI

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

  • Polarographic DO Probe

    YSI

    Easy user-replaceble sensor allows for quick sensor replacements if needed.  No tools necessary. Uses convenient screw-on cap membranes making membrane changes simple and easy Use with the Professional Plus and Pro20 instruments Cables must be ordered separately One-year…

  • 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

  • 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…

  • Pro Series Dissolved Oxygen/Temperature Field Cables

    YSI

    The 60520 dissolved oxygen cables ONLY work with the YSI Pro Plus and Pro20 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters. Special orders up to 100-meters in 10-meter increments can also be placed. Cables over 1-meter come with the 603062 cable management…

  • Model 550 Dissolved Oxygen Meter

    YSI

    Portable, one-handed operation that is innovative and easy-to-use Field replaceable DO electrode modules User selectable °C or °F Calibrate in % sat. or mg/L Waterproof, meets IP-67 specifications Measurements are fast and easy. Instrument panel provides simultaneous readings of dissolved…

  • Dissolved Oxygen Field Probe

    YSI

    Model 5739 (7230R35) Screw-apart construction lets you quickly change from one cable length to another Ability to replace either probe or cable without replacing the entire assembly Pressure compensation, temperature compensation, built-in weight, long-life, polarographic…

  • Pro Series pH/ORP/ISE and Conductivity Field Cables

    YSI

    The 6051030 pH/ORP/ISE and Conductivity combination cables ONLY work with the YSI Pro Plus and Pro1030 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters. Cables over 1-meter come with the 603062 cable management kit. Cables include integrated temperature and…

  • Pro2030 Dissolved Oxygen/Conductivity

    YSI

    Handheld DO, Conductivity, Salinity, TDS, Temperature 3-year instrument; 2-year cable warranty User-replaceable cables and sensors. Choose either polarographic or galvanic DO. Conductivity sensor built into cable Quick DO cal allows easy DO calibrations within seconds with the press…

  • Accessories for YSI MultiLab Line

    YSI

    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.…

  • Model 3100 Conductivity Meter

    YSI

    Measures conductivity, salinity and temperature Direct-reading digital display Meter uses forced-current measurement technology. Features include adjustable temperature coefficient, linear automatic temperature compensation, LCD and single point cell calibration. Dimensions: 9" x 9 1/2 …

  • 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…

  • Pro20 Dissolved Oxygen

    YSI

    Handheld dissolved oxygen instrument for the lab or field! 3-year instrument; 2-year cable warranty User-replaceable cables and sensors. Choose polarographic or galvanic for the field or a self-stirring BOD probe for the lab One Touch Cal allows easy DO calibrations within 3 seconds…

  • Multi-Probe Systems

    YSI

    Versatile, multi-parameter hand-held instrument Measures DO, conductivity, temperature, salinity, pH and ORP in one meter Compatible with EcoWatch™ for Windows™ data analysis software Easy-to-use screw-on cap DO membranes Stores over 49,000 data sets, time and date…

  • TruLab 1320 and 1320P pH/mV/ISE Benchtop Meters

    YSI

    Measure pH, mV (ORP), ISE and temperature accurately in the laboratory with the YSI pH 1320 or 1320P with built-in printer. The TruLab pH/ISE 1320 benchtop meter is the ideal laboratory instrument for reliable measurements with automatic documentation for GLP compliance. The 1320 benchtop is…

  • pH Simulator

    YSI

  • 5909 cap membrane kit 2.0ml PE

    YSI

    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  

  • pH10A pH/Temperature Meters

    YSI

    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…

  • EcoSense EC300A Conductivity/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 EC300A simultaneously…

  • Model 55 Dissolved Oxygen Meter

    YSI

    Reads in mg/L or % oxygen Push-button calibration Built-in calibration chamber Salinity and altitude compensation Probe sinks easily with stainless steel body Meter has a large backlit LCD which displays oxygen and temperature. All readings are automatically temperature compensated and can be…

  • 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

  • Replaceable DO Module

    YSI

    Easy user-replaceble sensor allows for quick sensor replacements if needed.  Quickly switch DO sensors without having to send in the instrument for repair or replacing the entire cable assembly.  Uses convenient screw-on cap membranes making membrane changes simple and easy Use…

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