Controllers and Monitoring

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

The 60520 is a 1-port cable for use with the Professional Plus or Pro20 instrument. The port requires a DO probe. Galvanic DO Sensor for YSI Pro 20...

Case dimensions measure 12x12x3 (inches). The case includes a hand strap and an over-the-shoulder carrying strap. Internal pockets include one for ...

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

Includes screw-on sensor cap and calibration code sequence. Average life is 1 year or greater. Response Time (T95 - from 0 to 100%) = 40 seconds Fl...

The ODO has all the advantages of optical dissolved oxygen technology – higher accuracy, less maintenance, no stirring required for accurate measur...

Replacement ProDSS ODO/CT ODO extended warranty sensor cap featuring a 2 year warranty.  This item comes preinstalled on ODO/CT assemblies.

Replacement probe guard for YSI Pro series instruments.

Includes bottle of electrolyte, 1 sanding disc and 6 screw-on cap membranes. 1.25 Mil PE membranes. Yellow cap. Response Time (T95 - from 0 to 100%...

An evolution of the Professional Series water quality meters, the ProSolo DIGITAL handheld replaces the ProODO as YSI’s most advanced optical disso...

YSI’s line of Professional Series instruments includes several handhelds for the use in the laboratory or the field. After determining your applica...