630141 | ProSample P

Portable sampler with plastic housing

Portable sampler with plastic housing, peristaltic pump, microprocessor control, battery operated 12V/7.5Ah. Includes battery, two peristaltic pump tubes, USB...

6050000 | Professional Plus

Handheld Multiparamenter Instrument

The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen...

626870-1 | ProDSS

Multiparameter Instrument with Digital Sensors no GPS

The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved...

626870-2 | ProDSS GPS

Multiparameter Instrument with Digital Sensors with GPS

The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved...

6050010 | Pro10

Field pH/ORP

The Pro10 provides everything you need in a handheld meter that measures temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure...

6050020 | Pro20

Lab / Field Dissolved Oxygen

The Pro20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the cornerstones of the instrument's...

60713X | Pro20i

Pro20i Dissolved Oxygen Instrument

Dissolved oxygen and temperature handheld instrument with integral (i.e. non-detachable) cable. The Pro20i is a direct replacement for the model 55 and 550A...

6050030 | Pro30

Field Conductivity/Salinity/Specific Conductance/TDS Meter

The Pro30 provides everything you need in a handheld meter that measures salinity, conductivity, specific conductance, total dissolved solids, and temperature...

6051020 | Pro1020

Field dissolved oxygen / pH / ORP

The Pro1020 provides everything you need in a handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox). Rugged, simple...

6051030 | Pro1030

Field pH / ORP / Conductivity

The Pro1030 provides everything you need in a handheld meter that measures pH or ORP (redox) along with conductivity. Rugged, simple and reliable. Measure pH...

6052030 | Pro2030

Field Dissolved Oxygen / Conductivity

The Pro2030 provides everything you need in a handheld dissolved oxygen meter that automatically compensates for changes in salinity values. Rugged, simple and....

YPT930 | Photometer

9300 Photometer

Economical photometer in a small package for any application. Take readings directly in the field for 100+ parameters. Photometer 9300 Kit, includes carrying...

YPT950 | Photometer

9500 Photometer

Economical photometer in a small package for any application. Take readings directly in the field for 100+ parameters. Photometer 9500 Kit, includes carrying...