Nitrate

Xylem Analytics - monitoring nitrate

Nitrate (NO3-) forms in water when bacteria use dissolved oxygen to oxidize ammonium. Nitrate is mobile and may seep into streams, lakes and estuaries from ground water enriched by animal or human wastes or commercial fertilizers. High concentrations of nitrate can enhance the growth of algae and aquatic plants.

The Xylem YSI Nitrate Sensor consists of a silver/silver chloride wire electrode in a custom filling solution. The internal solution is separated from the sample medium by a polymer membrane, which selectively interacts with nitrate ions.

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YSI 9500 Photometer

YSI 9300 + 9500 Photometer

The YSI 9300 and YSI 9500 are economical photometers in small packages for any application. These portable photometers allow you to easily take readings directly in the field for 100+ parameters.

WTW MultiLine® IDS

WTW MultiLine® IDS Series of Multi-parameter Portable Meters

The new multi-parameter systems with intelligent, digital sensors for pH, dissolved oxygen (DO) and conductivity measurement revolutionize multi-parameter measurement:
The signal processing is completely located in the sensor, and the measuring signal is transmitted to the meter without interference and in a clearly identifiable manner via thin, highstrength cables. A wide range of sensors are available for virtually every application.

YSI Pro Plus multiparameter instrument

YSI Professional Plus Multiparameter Meter

The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of parameters such as DO, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

YSI ProDSS Handheld Instrument

YSI ProDSS - Digital Sampling System

The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, turbidity, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature along with depth.

YSI EXO1 and handheld

YSI EXO1 Multiparameter Sonde

Capturing accurate data in fresh water, ground water and marine aquatic environments is easy with the versatile multiparameter EXO1 sonde. Ideal for estuarine, surface water or ground water applications.

Instrument Only. Cables, probes/sensors, and accessories sold separately - please see the "Accessories" tab for details.

YSI EXO2 multiparamter water quality instrument

YSI EXO2 Multiparameter Sonde

The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

6600V2 Sonte

YSI 6600 V2 Sonde

The YSI 6600 V2 data sonde is the most comprehensive water quality monitoring equipment available with simultaneous measurement of conductivity (salinity), temperature, depth or level, pH/ORP and...

YSI TruLine Nitrate Electrode Kit

YSI TruLine Nitrate Electrode Kit

Each TruLine ISE features an integrated reference. This eliminates the need for a separate reference half-cell when measuring ion concentration and is more convenient. Each ISE can be refilled with reference/electrode filling solution, extending the life of each ISE. The electrodes also feature a double-junction reference for optimum performance in the lab.

TruLab pH/ISE 1320

YSI TruLab 1320 pH/ISE

Measure pH, ORP, and ion activity with the TruLab 1320 dual channel instrument by choosing from our wide selection of electrodes.

WTW photoLab® 7600 UV-VIS

WTW photoLab® 7100 (VIS) & PhotoLab 7600 (UV/VIS) Spectrophotometers

The spectrophotometers photoLab® 7100 VIS and photoLab® 7600 UV-VIS combine routine analysis with spectral analysis and pioneering procedure OptRF.
The new reference beam optics together with a new brilliant colour display turn hard work into fun: clearly-arranged, color-coded, fast and comfortable.