Meters

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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,…

  • 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…

  • 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…

  • 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…

  • 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…

  • Pro10 pH/ORP/Temperature Portable pH or ORP Meter

    YSI

    Easy to use, rugged and reliable, the YSI Pro10 provides everything you need in a handheld instrument for the measurement of temperature and either pH or ORP. User replaceable sensors and cables, 50 data set memory, and convenient calibration routine makes it user friendly. A true field instrument;…

  • ProODO™ Handheld Optical Dissolved Oxygen Meter

    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…

  • 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…

  • 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 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.…

  • 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

  • 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…

  • 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…

  • 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

  • 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…

  • 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 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…

  • Dissolved Oxygen Field Probes With Cap Membranes

    YSI

    Heavy duty probe guard houses the DO and temperature sensors Weighted and waterproof; sinks easily Uses cap membranes for easy replacement. Cable is connected directly to probe body. Compatible with Model 52, 7230D50 and Model 58, 7230R25. Includes six cap membranes and KCl solution. For…

  • 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

  • Pro Plus Quatro Field Cables

    YSI

    The Quatro is a 4-port cable for use with the Professional Plus instrument. The Quatro is a true field cable with MS (military spec) connectors, two year warranty, and rugged, weighted probe guard. Create a powerful multiparameter sampling instrument. Measure conductivity/temperature,…

  • 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…

  • Oxygen Meter, Model 58, 115V

    YSI

    Portable, battery-operated unit with digital LCD Provides four-digit LCD readout of dissolved oxygen to 0.1 or 0.01 mg/L, % air saturation or temperature Dissolved oxygen ranges are automatically temperature-compensated to an accuracy of ±1% of readings 5° - 45°C and…

  • 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…

  • EcoSense® pH/EC1030A pH and Conductivity Pen

    YSI

    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,…

  • 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…

  • BOD Lab Cable and Probe

    YSI

    The 200-BOD is a self-stirring BOD probe designed to fit into standard 300 mL BOD bottles and used with the DO200 handheld DO instrument. Uses wall power - power supply included Modular design allows for serviceability Uses convenient screw-on PE cap membranes for the fastest repsonse times

  • 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…

  • Replacement Parts & Accessories for YSI Model 556

    YSI

    The 556 MPS handheld instrument has been discontinued. YSI will continue to support existing 556’s through 2020. The Professional Plus (Pro Plus) or ProDSS handheld instruments are suitable replacements. Versatile, multi-parameter hand-held instrument Measures…

  • pH/Temperature Probe, 4 meter cable

    YSI

    Waterproof pH and temperature field probe and cable assembly. Used with pH100, pH100A

  • Pro20 Kits

    YSI

    Includes: Pro20 Meter, 4-meter cable with Polarographic DO probe, carrying case, cable management kit

  • EcoSense pH100M pH/ORP/mV/Temperature Meters

    YSI

    The EcoSense® pH100M handheld instrument provides accurate and repeatable pH, mV, and temperature measurements in an affordable format. Compared to the EcoSense® pH100A, the pH100M features extended memory and simple data transfer with a micro-USB port. Features of the pH100M include:…

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