The EcoSense® pH1000A benchtop instrument provides accurate measurements in an affordable format. The instrument features an easy-to-use interface and 1, 2, or 3 point pH calibration. In addition to pH, the pH1000A also measures ORP - Oxidation Reduction Potential (mV) and temperature. The…

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.…

Buffer for Glucose, L-Lactate, Dextrose, Sucrose, Glutamate, Glutamine, Choline, Xylose. 8 envelopes. Reconstitute to make a total of 4 liters.

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…

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…

Never before has YSI offered ISEs for the lab, but this expansive line of electrodes is designed to meet the needs of customers who measure effective ion concentration in applications such as wastewater, drinking water, environmental testing, and the food/beverage industry. There are 15…

Swap one smart sensor for another with the ProSwap digital water quality meter! Featuring built-in temperature and optional depth sensors, ProSwap can transform into whatever you need: a purpose-built turbidity meter or a high-accuracy optical DO meter; a spot sampling pH meter or a profiling…

The TitroLine® 5000 is the first choice if you are looking for a very easy-to-use automatic titrator for any application. Specialized training or a deeper knowledge of automatic titration is not necessary to get precise and quick results. That and much more is exactly what the TitroLine®…

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

2 Oz Platinizing solution for 3200 & 3400 series cells for the lab.

Measure pH, mV (ORP) and temperature accurately in the laboratory with the YSI pH 1110. This benchtop instrument for basic, routine measurements in the lab is an accurate and easy-to-use solution for repeatable pH or mV measurements. Features: Single channel measurement of pH or mV…

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

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…

Easy user-replaceable sensor allows for quick sensor replacements, if needed.  No tools necessary. One-year sensor warranty Measure pH/ORP (redox) quickly and easily with the 5565A sensor kit which also includes an extension adapter for the bulkhead so the sensor fits into the probe…

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.…

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;…

The EcoSense ODO200M is an optical-based dissolved oxygen meter ideal for DO sampling. Sensors are EPA approved for wastewater compliance reporting of DO. Compared to the EcoSense® ODO200, the ODO200M features extended memory and simple data transfer with a micro-USB port. Features of the…

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…

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 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 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…

The ProOBOD® self-stirring optical BOD probes are designed to fit into standard 300 mL BOD bottles with an international version also available for use with other tapers. EPA approved for wastewater compliance reporting of BOD and CBOD. The ProOBOD is designed for use with the YSI ProODO…

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…

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…

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…

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…

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…

The YSI pH/temperature field probe and cable is compatible for use with EcoSense pH100A, pH100 meter models. It is made of sturdy material which ensures durability and long lasting usage.

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

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…

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