YSI

Dissolved Oxygen MetersRoHS-certified digital meters designed to measure the dissolved oxygen content and biochemical oxygen demand in water-quality testing jobs. Feature a One Touch Cal option to calibrate the device within three seconds and an internal barometer to attain the highest accuracy (14 Products)

Multi-Parameter MetersHandheld multiparameter meters and water-quality meter kits designed to measure pH levels (-2.6 to 16.6), ion concentration and fluid conductivity. Feature a storage capacity of up to 5000 data sets and USB connectivity on selected models (11 Products)

Water Testing Meter AccessoriesIncludes adapters, barcode scanners, battery packs, belt clips, BOD chambers & cables, suitable for use with YSI water testing meters (86 Products)

Electrodes and ProbesIncludes replacement electrodes, like ammonium sensors, ISE / BOD probes, cables with ODO probes, chloride sensors, conductivity cells and pH probes, ideal for testing water quality (105 Products)

pH MetersWaterproof meters used for measuring temperature, pH levels and ORP (redox potential). Come equipped with an IP-67 rated impact-resistant case. Replacement flat-glass pH electrodes also available (8 Products)

ColorimeterspHotoFlex Series colorimeters suitable for use with over 138 reagents to measure the absorbance of particular wavelengths of lights. Feature an easy-to-read LCD display and data storage capacity up to 1000 sets (27 Products)

ORP MetersCE-compliant pen-style meters ideal for testing the oxidation-reduction potential in wastewater treatment & food processing industries. Feature a hold button to lock the readings (absolute & relative) and provide more than 200 hour battery life (1 Product)

Reagents and Refills(48 Products)

Calibration Solutions(6 Products)

Water Quality Testing Kits(6 Products)

Carrying Cases(5 Products)

Chromatography Syringes(2 Products)

Inspection Retrieving Tool KitsIncludes 3-inch plastic tweezers suitable for use with YSI 9300 / 9500 photometers (1 Product)