The 626250 can be ordered in lengths of 1, 4, 10, 20, 30, 50, or 100 m. ODO probe and cable assemblies come with an ODO sensor cap. Cables over 1 m also come with a cable management kit. The 626250 optical DO probe and cable assemblies are for the ProODO. Although the 626250 assembly will also work…

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.…

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…

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

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…

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

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

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.).

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…

An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical dissolved oxygen field meter. Paired with the latest optical DO and temperature (ODO/T) probe, the ProSolo benefits from years of expertise in…

The pH/EC1030A is designed for quick, accurate results in an economical platform. The pH/EC1030A is the perfect instrument for spot sampling of pH, conductivity, total dissolved solids (TDS), salinity and temperature in applications such as wastewater, surface water, aquaculture, hydroponics,…

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…

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…

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…

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…

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

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

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…

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

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…

Dissolved oxygen and temperature field probe and cable assembly. Comes with a 5908 Cap Membrane Kit (1.25 Mil PE membranes).

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…

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…

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…

ORP Probe for Professional Plus Handheld Multiparameter Meters. For lab-grade and field applications Easy user-replaceble sensor allows for quick sensor replacements if needed Measure ORP (oxidation reduction potential), or redox, quickly and easily with the 1002 sensor

The YSI conductivity/temperature field probe & 10 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.

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

The YSI foam fitted carrying case is compatible for use with EcoSense pH100, DO200 and EC300 meter models. It is made of sturdy material which ensures durability and long lasting usage.

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 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…

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…