YSI Pro Plus Multi-Parameter Water Quality Meter

The YSI Pro Plus multi-parameter display provides a graphical interface for obtaining high accuracy water quality measurements.

The 1010-30 cable assembly simultaneously measures temperature and any (2) ISE sensor parameters with a 30m cable.

The 1020-30 cable assembly simultaneously measures temperature, dissolved oxygen, and any ISE sensor parameter with a 30m cable.

The 2030-30 cable assembly simultaneously measures temperature, dissolved oxygen, and conductivity with a 30m cable.

The 2030-20 cable assembly simultaneously measures temperature, dissolved oxygen, and conductivity with a 20m cable.

The ProBOD cable assembly and probe is great for making high accuracy laboratory BOD measurements.

The 20-100 cable assembly simultaneously measures temperature and dissolved oxygen with a 100m cable.

The 1010-20 cable assembly simultaneously measures temperature and any (2) ISE sensor parameters with a 20m cable.

The 1020-20 cable assembly simultaneously measures temperature, dissolved oxygen, and any ISE sensor parameter with a 20m cable.

The 2030-10 cable assembly simultaneously measures temperature, dissolved oxygen, and conductivity with a 10m cable.

The 1030-30 cable assembly simultaneously measures temperature, conductivity, and any ISE sensor parameter with a 30m cable.

The 2030-4 cable assembly simultaneously measures temperature, dissolved oxygen, and conductivity with a 4m cable.

The 2030-1 cable assembly simultaneously measures temperature, dissolved oxygen, and conductivity with a 1m cable.

The 1010-10 cable assembly simultaneously measures temperature and any (2) ISE sensor parameters with a 10m cable.

The 1020-10 cable assembly simultaneously measures temperature, dissolved oxygen, and any ISE sensor parameter with a 10m cable.

The 1010-4 cable assembly simultaneously measures temperature and any (2) ISE sensor parameters with a 4m cable.

The 1020-4 cable assembly simultaneously measures temperature, dissolved oxygen, and any ISE sensor parameter with a 4m cable.

The 1030-20 cable assembly simultaneously measures temperature, conductivity, and any ISE sensor parameter with a 20m cable.

The 1010-1 cable assembly simultaneously measures temperature and any (2) ISE sensor parameters with a 1m cable.

The 1020-1 cable assembly simultaneously measures temperature, dissolved oxygen, and any ISE sensor parameter with a 1m cable.

The 30-30 cable assembly simultaneously measures temperature and conductivity with a 30m cable.

The 1030-10 cable assembly simultaneously measures temperature, conductivity, and any ISE sensor parameter with a 10m cable.

The 20-30 cable assembly simultaneously measures temperature and dissolved oxygen with a 30m cable.

The 1030-4 cable assembly simultaneously measures temperature, conductivity, and any ISE sensor parameter with a 4m cable.

The 10-30 cable assembly simultaneously measures temperature and any ISE sensor parameter with a 30m cable.

The 1030-1 cable assembly simultaneously measures temperature, conductivity, and any ISE sensor parameter with a 1m cable.

The 30-20 cable assembly simultaneously measures temperature and conductivity with a 20m cable.

The 30-10 cable assembly simultaneously measures temperature and conductivity with a 10m cable.

The 20-20 cable assembly simultaneously measures temperature and dissolved oxygen with a 20m cable.

Add the YSI 1004 ammonium ISE sensor to your Pro Series multi-parameter instrument to complement your sampling regimen.

Add the YSI 1005 chloride ISE sensor to your Pro Series multi-parameter instrument to complement your sampling regimen.

Add the YSI 1006 nitrate ISE sensor to your Pro Series multi-parameter instrument to complement your sampling regimen.

The 10-20 cable assembly simultaneously measures temperature and any ISE sensor parameter with a 20m cable.

The 1009-4 cable assembly & electrode is designed for laboratory applications and simultaneously measures temperature, pH, and ORP with a 4m cable.

The flow cell kit includes the standard (203mL) flow cell & single port flow cell adapter.

The 1009-1 cable assembly & electrode is designed for laboratory applications and simultaneously measures temperature, pH, and ORP with a 1m cable.

The 30-1 cable assembly simultaneously measures temperature and conductivity with a 1m cable.

The 30-4 cable assembly simultaneously measures temperature and conductivity with a 4m cable.

The 20-10 cable assembly simultaneously measures temperature and dissolved oxygen with a 10m cable.

Simple, accurate pH and ORP (Oxidation Reduction Potential) measurement in a sensor designed for minimal maintenance.

The 10-10 cable assembly simultaneously measures temperature and any ISE sensor parameter with a 10m cable.

The YSI 3076 flow cell is ideal for use in applications when it is impossible or undesirable to submerge the probe module into the sample.

The 20-4 cable assembly simultaneously measures temperature and dissolved oxygen with a 4m cable.

The YSI 3059 flow cell is ideal for use in applications when it is impossible or undesirable to submerge the probe module into the sample.

The 1008-4 cable assembly & electrode is designed for laboratory applications and simultaneously measures temperature and ORP with a 4m cable.

The 10-4 cable assembly simultaneously measures temperature and any ISE sensor parameter with a 4m cable.

The 20-1 cable assembly simultaneously measures temperature and dissolved oxygen with a 1m cable.

YSI's 3074 hard-sided Pelican carrying case is designed for use with the YSI 556 instrument and accessories.

The 10-1 cable assembly simultaneously measures temperature and any ISE sensor parameter with a 1m cable.

The 1008-1 cable assembly & electrode is designed for laboratory applications and simultaneously measures temperature and ORP with a 1m cable.

Simple, accurate ORP (Oxidation Reduction Potential) measurement in a sensor designed for minimal maintenance.

The 1007-4 cable assembly & electrode is designed for laboratory applications and simultaneously measures temperature and pH with a 4m cable.

The 5202 galvanic dissolved oxygen sensor provides instant and reliable DO readings.

The 5203 polarographic dissolved oxygen sensor provides reliable DO readings.

The 1007-1 cable assembly & electrode is designed for laboratory applications and simultaneously measures temperature and ORP with a 1m cable.

The YSI 1001 pH Sensor provides long life, good response time, and accurate readings in most environmental waters, including freshwater of low ionic strength.

The soft-sided carrying case is convenient way to transport all Pro Series items.

The YSI 170 electrode stand is an ideal companion to any Pro Series or EcoSense handheld being utilized primarily in the lab.

The single port flow cell adapter allows any Pro Series single port assembly to attach to the 3059 flow cell.

The tripod screws onto the back of the Pro Plus to provide a sturdy base while sampling.

Probe weight (stackable), stainless steel, 4.9 oz., for use with Pro Series single port probe assemblies

The shoulder strap simply attaches to both sides of the Pro Plus instrument.

The ultra c-clamp allows customers to conveniently attach the display to the edge of a table or boat for hand-free operation.

The belt clip easily attaches to the back of the Pro Series instrument.