YSI

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

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 membrane-covered oxygen...

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...

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 the...

pH Electrode, Piercing, Double Junction, 1M for the pH1200 benchtop unit and pH100A handheld sampling instrument.

The 60530 conductivity cable can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters. Cables come with the sensor built directly into the cable so there is no need to order a conductivity sensor. Cables over 1-meter also come with the 603062 cable management kit. The 60530 conductivity cables...

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.

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).

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 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...

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,...

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 manufacturer’s...

TruLine ammonia replacement membrane modules; ammonium, calcium, nitrate and potassium electrode replacement sensor modules.