YSI

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

The Quatro is a 4-port cable for use with the Professional Plus instrument. The Quatro is a true field cable with MS (military spec) connectors, two year warranty, and rugged, weighted probe guard. Create a powerful multiparameter sampling instrument. Measure conductivity/temperature, dissolved...

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...

The Pro2030 provides everything you need in a handheld dissolved oxygen meter that automatically compensates for changes in salinity values. Rugged, simple and reliable. Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature. EPA approved for drinking...

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 with the...

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

Tube set, complete set, 3 parts with all connections, with titration tip and holder for all TITRONIC® 500 exchangeable units.

Easy user-replaceable sensor allows for quick sensor replacements, if needed. No tools necessary. Measure ammonium (ammonia conversion) quickly and easily with the 1004 sensor.

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 an...

The Pro DIGITAL ODO/T probe and cable assembly features integral optical dissolved oxygen and temperature sensors. Cable lengths are available up to 100 meters. The ODO/T probe assembly pairs with the ProSolo Handheld to form a complete sampling system. Please visit the ProSolo ODO/T Kits page for...

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 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...

Calibration solutions for field instruments with a nitrate sensor. 500 mL of standard (plastic bottle) is available in 1, 10, and 100 mg/L.

Easy to use, rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of dissolved oxygen, temperature and either pH or ORP. User-replaceable sensors and cables, 50 data set memory, and convenient calibration routine makes it user friendly. A...

Easy user-replaceable sensor allows for quick sensor replacements, if needed. No tools necessary. Measure nitrate quickly and easily with the 1006 sensor.

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

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 electrodes...

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 must be ordered...

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 is the greater of...

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...

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

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, pools,...