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  • 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 be…

  • Accessories for YSI MultiLab Line

    YSI

    …the YSI MultiLab benchtop instruments. Thomas No. 1203K18 ORP, Glass, digital, double junction electrode. 1.5 m cable. Use with any of the YSI MultiLab benchtop instruments. Thomas No. 1203K19 Conductivity, Epoxy, 4-graphite electrodes digital, 1.5 m cable. Use with any of the YSI

  • Replacement pH Electrode for YSI Model 60, 63

    YSI

    Replacement pH Electrode for both the YSI Model 60 and 63*. *Model 60 & 63 have been discontinued. YSI will still continue to support your existing Model 60 and/or 63s. Ready to upgrade your handheld meter? The YSI Pro1030 is the perfect upgrade and replacement for your old model…

  • YSI Conductivity Cells With Built-In Thermistors To Sense Temperature

    YSI

    Connects directly to the YSI 3100 and 3200 Calibrated to OIML recommendations 56 and 68 Cells allow automatic temperature compensation without the need of another probe. For use with 8 pin DIN connector. 3240M01 is of ABS plastic; all others are PYREX® 7740.

  • 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…

  • 900 Data Hub for Model 900 and 910 Colorimeters

    YSI

    Export data with the 900 Series Data Hub infrared data transfer.

  • 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…

  • Chloride (ISE) Probe

    YSI

    … Six-month sensor warranty. Measure chloride quickly and easily with the 1005 sensor. Note - for use in freshwater applications only. The 605105 Chloride ISE Sensor can be used with the YSI Professional Plus Multiparameter Handheld Instrument. Requires Cable/Probe Assembly.

  • 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…

  • BOD Analyst Pro Desktop Software

    YSI

    Automatically calculate BOD/CBOD values with the BOD Analyst Pro™ desktop software The software can be used directly with YSI instruments 52, 5000, 5100, Professional Plus or ProODO. Simply connect directly to the PC and BOD Analyst Pro software to take initial and final DO values and let…

  • Pro1030 pH or ORP, Conductivity, Salinity Instrument

    YSI

    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…

  • Nitrate(ISE) Probe

    YSI

  • 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.

  • Ammonium(ISE) Probe

    YSI

  • 690 Probe Cable Weight

    YSI

    The 690 probe cable weight attaches to all Pro Series dual parameter cables. The weight measures 3 inches (7.62 cm) and weighs 24 ounces (0.68 kg). All dual port cables come with a 1 inch (2.54 cm) and 6 ounce (0.17 kg) weight.

  • 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 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…

  • EC300 Carrying Case, Hard

    YSI

  • Polarographic Self-Stirring BOD Probe

    YSI

    Self-stirring BOD probe. Simplifies BOD measurements Modular design allows for serviceability Uses convenient screw-on cap membranes Stirrer ensures a representative sample The ProBOD self-stirring BOD probes are designed to fit into standard 300 mL BOD bottles with various funnels…

  • pH Buffers

    YSI

    Various pH buffers for pH probe calibration. Buffer cases are available with a single buffer type or with an assortment of buffers (2 pints of pH 4, 7, and 10 buffers).

  • 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…

  • 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…

  • BOD Lab Cable and Probe, 230V

    YSI

  • Pro20 Kits

    YSI

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

  • 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

  • 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…

  • Probe Guard

    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  

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