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…

1198F06: TruLine ORP 50; ORP electrode no temperature, single-junction, refillable, glass shaft with 1-m cable, BNC connector. Dimensions = 120 mm length; 12 mm OD. 1198F07: TruLine ORP 51; ORP electrode no temperature, single-junction, gel electrolyte, epoxy shaft with 1-m cable, BNC…

YSI turbidity solutions calibrate your instruments for maximum accuracy. Extremely accurate and stable solutions. We recommend that YSI-certified polymer-based standards are used for best results.

With its performance spectrum, the TitroLine® 7000 is the ideal automatic titrator for any a wide range of titration applications. Thanks to the high-resolution and precise pH/ mV and “dead-stop” measuring interface, it is possible to determine a variety of parameters quickly,…

Zobell Solution is used for calibrating ORP/Redox on several YSI instruments. A convenient temperature chart with corresponding ORP values is included for simple calibration value inputs. Concentrated powder makes 125, 250, or 500mL of calibration standard.

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.…

Automatic Titrator for the volumetric KF titration The TitroLine® 7500 KF is the universalist for the volumetric Karl Fischer titration with a wide operating range of a few ppm - 100% water content. The addition of the solvent and the extraction of the titrated sample are carried out by…

Enhance your lab’s accuracy with YSI TITRONIC® 300 Manual Titrator. These titrators feature a motor-driven piston burette for precise titrations and dosing of dispensable liquids. Adjustable dosing rate, filling rate and adjustable filling between each dose step makes these units…

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…

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

The ProSolo ODO/T kit includes the digital handheld with the optical dissolved oxygen and temperature probe assembly in a soft-sided carrying case. The ODO/T probe assembly pairs with the ProSolo Handheld to form a complete sampling system. Featuring integral, digital sensors, the ODO/CT is…

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…

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…

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…

1198F14: ScienceLine Temp 135; temperature sensor, stainless steel, 1 banana plug, NTC 30 kOhm. Dimensions = 120 mm length; 4 mm OD. 1198F15: ScienceLine Temp 136; temperature sensor, glass, 1 banana plug, NTC 30 kOhm. Dimensions = 120 mm length; 6 mm OD.

Stable multi-probe measures conductivity and temperature levels and calculates salinity values. Thermistor readings are used to temperature-correct other parameter measurements. YSI utilizes a high-precision thermistor: 2252 ohms at 25ºC (±1%) for temperature measurement. Resistance changes with…

Automatic Titrator for the coulometric KF-Titration The TitroLine® 7500 KF trace is a compact, easy-to-use coulometric titrator for water determination according to Karl Fischer (KF) with a typical operating range of 1 ppm - 5% water. General features High visibility,…

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…

Usable with all classic grey box and lab meters Measures dissolved oxygen and temperature in B.O.D. bottles Designed to fit into neck of any bottle with a 0.675 inch opening Probe requires manual stirring or use of magnetic stirrer With Membrane and KCl kit. Lead, 1.5 meter (5 ft.).

Exchangeable unit, with integrated chip for reagent data, with brown glass bottle for titrant, GL 45 and S 40-bottle adapter, tubes, drip tube and titration tip. Used with TITRONIC 500, TitroLine 7000, 7500KF, 7750, and 7800.

1198F01: TruLine pH 15; pH electrode with temperature, single-junction, 3 in 1, refillable, glass shaft with 1-m cable, BNC connector, 1 banana plug, NTC 30 kOhm. Dimensions = 120 mm length; 12 mm OD. 1198F02: TruLine pH 17; pH electrode no temperature, single-junction, combination,…

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…

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…

The EC300M offers convenient measurement of conductivity, specific conductance, salinity, total dissolved solids, and temperature in many field applications. Compared to the EcoSense® EC300A the EC300M features extended memory and simple data transfer with a micro-USB port. Features of…

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

The TitroLine® 7800 enhanced the universal features of the TitroLine® 7750 with an additional IDS measurement socket. Hence the TitroLine® 7800 can perform potentiometric titrations with analog and IDS electrodes up to volumetric KF titrations. The digital (IDS) measurement socket…

Measure pH, mV (ORP) and temperature accurately in the laboratory with the YSI pH 1310 or 1310P with built-in printer. The TruLab pH 1310 benchtop meter is the ideal laboratory instrument for reliable pH/mV measurements with automatic documentation for GLP compliance. The 1310 benchtop is an…

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

The YSI probe guard is compatible for use with 550A dissolved oxygen instrument. It is made of sturdy material which ensures durability and long lasting usage.

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…

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…

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