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…

  • 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…

  • 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,…

  • 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…

  • 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…

  • Confidence Sol'N Ph/Orp/Con

    YSI

    Never worry about the accuracy of your pH, ORP, or conductivity data again! Ensure probe performance with the 5580 Confidence Solution®. This is not a calibration solution but it is a simple probe verification check. Simply immerse your multiparameter probes in the solution and verify the…

  • 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

  • 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 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 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…

  • Multi-Probe Systems

    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…

  • 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…

  • 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(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

  • 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…

  • YSI Conductivity Cells

    YSI

    Requires 3240B30 cell adapter for use with the YSI 3100 and 3200 No built-in temperature sensor Precision cells contain platinized platinum-iridium electrodes Accurately calibrated to ±1% of cell constant Connector is spade lug type 3240D35 microcell can…

  • 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

  • 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…

  • 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…

  • 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…

  • Replacement pH Electrode

    YSI

    YSI single-junction replacement pH sensor for the pH10 pen-style instrument. Includes a cover cap as well The pH10 comes with this sensor with purchase 6-month manufacturer’s warranty from date of purchase Most small testers are thrown away after the sensor goes…

  • 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…

  • Pro20 Kits

    YSI

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

  • 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…

  • 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…

  • 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…

  • MultiLab 4010-2-Double Channel and 4010-3-Triple Channel Multi-Parameter…

    YSI

    The YSI MultiLab line includes the 4010-2 (dual channel) and 4010-3 (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. ISEs can also be connected to two…

  • 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…

  • 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

  • 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…

  • Platinizing Equipment

    YSI

    For replatinizing conductivity cell electrodes Replatinizing can be completed in less than five minutes Bottle included Contains a milliammeter, current control and reversing switch housed in a plastic case. Bottle can be used for holding the cell and platinizing solution during…

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