YSI® Quatro Pro Plus

• Quatro Professional Plus Handheld measures:Polarographic Dissolved Oxygen (DO), pH, Barometric, Temperature, Conductivity, ORP, TDS, Salinity, Specific Conductance, Resistivity, Ammonium <ISE>, Nitrate <ISE>, Chloride <ISE>.

• Includes: Handheld, Data Management Software CD and manual, USB cable handheld saddle.

3 year manufacturer warranty

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• The most rugged, waterproof, and flexible multi-parameter water quality handheld on the market!

Versatile, simple-to-use and engineered for rugged field work! Go to the field confident!

ABOUT THE YSI® QUATRO PROFESSIONAL (PRO) PLUS WATER QUALITY

HANDHELD MULTI-PARAMETER

Applications: Surface and Groundwater / Freshwater and Saltwater

Flexible Interchangeable Measuring: Barometric, pH, ORP, Total Dissolved Solids (TDS), Dissolved Oxygen (DO) (Polarographic or Galvanic DO), Conductivity, Temperature, Specific Conductance, Salinity, Resistivity, Ammonium (Ammonia), Nitrate, Chloride(Chloride for freshwater only)

Certifications: RoHS, CE, WEEE, C-Tick, VCCI, FCC, IP-67 (waterproof) Assembled in USA

Features:

• Eliminate down-time with no tools required; user-friendly field-replaceable sensors*

• Auto-adjust barometric pressure eliminates redundant calibration

• Choice of Polarographic or Galvanic DO sensors

• Simple calibrations with 100 flexible folders and site lists for data logging*

• 5,000 data sets in manual mode, up to 50,000 in continuous mode

• Interval or single-event data logging

• User-defined Auto Stable and Hold All Readings option for multi-parameter settings 

• Free, user-friendly Data Management Software: Configure, download, edit, save, and export

       data to Laptop, Desktop or other YSI® instruments!* (Excludes YSI® ODO) Conduct real-time

       studies! View data graphically or tabular!(Minimum PC requirements: Windows 2000 with SP4 

        (minimum) or XP with SP2 (minimum), Vista, or Windows  8 (300 MHz or higher Pentium-compatible CPU / 

        128 MG of RAM or higher / 80 MG or more of free hard-disk space)

• Multiple languages: English, Spanish, German, French, Italian, Norwegian, Portuguese,

        Japanese, Chinese (Simplified and Traditional)

•  Re-calibration prompts and auto-buffer recognition up to 6 point calibration

• Detailed Good Laboratory Practice (GLP) (stores detailed calibration information)

•  Password protected

Engineering and Design:

• Connect to any YSI® Professional Series cable and probes* (excludes ODO cables)

• Built for true-to-life rugged field demands! Passed all angle 1 meter drop-test*

• Designed to read measurements of any combination, singularly or multiple (up to 4 probes)

• Rubber overlay molding IP-67 water proof handheld*

• USB cord doubles as power connection to your Laptop or Desktop computers

• Scratch-resistant lens with back-lit LCD display and keyboard for low light conditions

• Lefty or righty? The Pro Plus strap can be used on either side of the handheld

• Easy-to-install Daisy-chain cable weights*

• Rugged cables with military-spec connectors*

• Includes long-life C batteries

• 3 year instrument manufacturer warranty / 2 year cable manufacturer warranty

* Propriety to YSI® instruments!

Quatro Pro Cables

With 4 ports included:

Temp/conductivity sensor, calibration cup, rubber flex sleeve (to keep sensors moist)

and ventilated probe guard.  2 year manufacturer warranty

Sensors

EPA approved for drinking water and wastewater compliance reporting!

Request price on Galvanic sensor and membrane kits 

All sensors 1 year manufacturer warranty 

All Combo-Kits On Sale Now!

Click below for your cable length

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