YSI

Easily manage your longer cables. Automatically included with Pro Series cables 4-meters and longer. Also attaches to the back of the instrument to...

YSI 5913 screw-on cap dissolved oxygen membranes for 2002 Galvanic sensors. Overview Includes bottle of NaCl electrolyte, 1 sanding disc, and 6 scr...

The EXO guarded Ammonium ISE (ion-selective electrode) Sensor is a digital smart sensor featuring welded titanium construction and wet-mateable con...

For use with the EXO2 and EXO3 platforms only. Does not function on its own. Monitor without interruption and reduce biofouling.The EXO Central Wip...

The EXO guarded Chloride ISE (ion-selective electrode) Sensor is a digital smart sensor featuring welded titanium construction and wet-mateable con...

The EXO Conductivity & Temperature Sensor is a digital smart sensor featuring welded titanium construction and wet-mateable connectors. A new m...

The EXO Handheld from YSI is designed and engineered as a dedicated interface to EXO sondes. Log real-time data, calibrate sensors, set up sondes f...

The EXO guarded Nitrate ISE (ion-selective electrode) Sensor is a digital smart sensor featuring welded titanium construction and wet-mateable conn...

The EXO Optical Dissolved Oxygen Sensor is a digital smart sensor featuring welded titanium construction and wet-mateable connectors. Complete cali...

EXO pH & ORP Digital Smart Sensor Note: Unguarded model is for use with the EXO2 or EXO3 with a central wiper installed. Guarded model is for s...

The EXO unguarded pH sensor is a digital smart sensor featuring welded titanium construction and wet-mateable connectors. Complete calibration in l...

The EXO Total Algae PC Sensor is a digital smart sensor (chlorophyll & phycocyanin) featuring welded titanium construction and wet-mateable con...

The EXO Turbidity Sensor is a digital smart sensor featuring welded titanium construction and wet-mateable connectors. Complete calibration in less...

Note: This product is intended for long-term monitoring applications in fouling environments. This sensor must be installed into an EXO Sonde with ...

YSI 2002 Galvanic Dissolved Oxygen sensor for the Pro Series Overview Easy user-replaceble sensor allows for quick sensor replacements if needed.  ...

YSI ODO replacement optical dissolved oxygen screw-on sensor cap. Overview Includes screw-on sensor cap and calibration code sequence. Average life...

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

250mL graduated cylinder designed to serve as the calibration cup for ProSwap, ProSwap Logger, and ODO/CT probes. Calibration cup for ProDSS ODO/CT...

To ensure quality, YSI inspects conductivity solutions with reference to primary standard solutions according to OIML recommendation 56. Bottles in...

Smart, cost-saving technology for water quality measurements. Exhaustible reagents are stored in this replaceable module and can be swapped-out as ...

EXO Rhodamine Digital Smart Sensor The EXO Rhodamine Sensor provides accurate, in situ measurement of Rhodamine WT in fresh, brackish, sea water, g...

The EXO Total Algae PE Sensor is a digital smart sensor (chlorophyll & phycoerythrin) featuring welded titanium construction and wet-mateable c...

Replacement assembly includes: calibration cup, sleeve, and seal.Note: It's an excellent idea to have at least two Calibration and Storage Cups on ...