YSI® Professional Plus Multiparameter Instrument

Tough and versatile water quality instrument—ideal for the field. Can measure combinations of dissolved oxygen, temperature, pH, conductivity, salinity, TDS, ORP, ammonium, nitrate, chloride and barometric pressure.

• Automatic temperature, salinity and barometric pressure compensation.
• User selectable probe and cable options.
• Automatic buffer recognition.

Test up to 11 different parameters with one meter and only a simple cable change! Meter has a backlit display and keypad, graphic display with detailed messages and instructions plus a gauge that continuously shows the battery level. The rubber over-molded case has an IP67 waterproof rating and is drop rated to 1 meter. Probes are interchangeable.

Instrument can log data (2,000 data-set memory with site identity and GLP event logging) and download it to a PC. Data Manager software, a communication dock and USB cable are included.

Meter measures 3.3" x 8.5" x 2.3", weighs 1 lb. Requires two C batteries (included). Three-year warranty on meters, two years on cables and one year on probes (six-month warranty on ammonia, chloride and nitrate ISEs).

Order Instructions
Step 1: Order instrument.
Step 2: Order cable(s).
All cables include temperature; cables over 1 meter include cable management kit; cables with conductivity include probe.
Step 3: Order probe(s).
Step 4: Order solutions.

Note: Meter, probes, cables and calibration solutions are all sold separately.

Flow cell (Y3059): 203 mL. Easily disassembles for complete cleaning. Compatible with Pro Series single and dual parameter cables.

YSI® is a registered trademark of YSI, Inc.