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 in glass quarts. The...

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.

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 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...

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 (ORP) and...

Thomas No. 1165W08 Manufacturer calibration certificate for new devices, Manufacturer calibration certificate for new piston burettes and titrators. Thomas No. 1165W09 Magnetic stirrer, for glass vessels up to maximale 500 ml, speed can be adjusted without discrete steps 0 - 1000 min-1, connection...

The EcoSense® ORP15A pen-style instrument provides an easy-to-use graphic interface, simple one-hand operation, memory, and low cost of ownership. The ORP15A measures ORP (absolute and relative mV) and temperature with the following features: IP-67 waterproof housing 1-year instrument warranty...

The ProQuatro was designed with the 4-port Quatro cable in mind. Combine 4 sensors on a single cable for comprehensive multiparameter sampling to measure temperature/conductivity, DO, and any two ISEs among pH, ORP, ammonium, chloride, or nitrate. Pairing the ProQuatro with the 4-port cable creates...

The YSI ProDSS ODO/CT probe is the first expansion of the ProDSS system. The ODO/CT probe and cable assembly features integral (i.e. built-in) optical dissolved oxygen, conductivity, and temperature sensors and is available in lengths up to 100 meters. It’s perfect for measuring DO in the...

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 case,...

The TitroLine® 7750 is the universal automatic titrator for both potentiometric titration and volumetric KF titration. The TitroLine® 7750 combines the features of the potentiometric titrator TitroLine® 7000 and the volumetric Karl Fischer titrator TitroLine® 7500. General features...

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. ISEs can...

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,...

Includes bottle of NaCl electrolyte, 1 sanding disc, and 6 screw-on cap membranes. 1.25 Mil PE, Polyethylene membranes. Yellow cap. Response Time (T95 - from 0 to 100%) = 8 seconds Flow Dependence After 4 Minutes = 25% Required Flow Rate = 6 inches/ second

Enhance your lab’s accuracy with YSI TITRONIC® 500 Manual Titrator. These titrators feature a motor-driven piston burette for precise titrations, solution preparation, and dosing of dispensable liquids. Adjustable dosing rate, filling rate and adjustable filling between each dose step...

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 ensures...

YSI Titration instruments are used in a variety of industry that includes chemical, pharmaceutical, food & beverage, research, and education. All devices, software, and accessories provide convenience with innovative features as well as easy handling. Robustly designed with accuracy and precision,...

The YSI conductivity/temperature field probe & 4 Meter cable are compatible for use with EcoSense EC300, EC300A conductivity meter models. It is made of sturdy material which ensures durability and long lasting usage.

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

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 with the press...

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

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®...

Easy user-replaceble sensor allows for quick sensor replacements, if needed.  No tools necessary.  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...

The 60510 is a 1-port cable for use with the Professional Plus and Pro10 instruments. The port requires a pH, ORP, or ISE sensor. The 60510 pH/ORP/ISE cables ONLY work with the YSI Pro Plus and Pro10 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters.  Cables...