YSI ProQuatro Multi-Parameter Water Quality Meter

The YSI ProQuatro meter measures combinations of DO, conductivity, specific conductance, salinity, resistivity, TDS, pH, ORP, ammonium, nitrate, chloride and temperature.

Features

  • User-replaceable cables and sensors (not included with meter purchase)
  • Real-time salinity compensation of DO measurements
  • Built-in micro USB port for easy data transfer to flash drive
List Price $1,441.00
$1,368.95
Stock More On The Way   
YSI ProQuatro Multi-Parameter Water Quality Meter

Overview
The YSI ProQuatro, along with its Quatro cable, allows the use of 4-ports to measure temperature/conductivity, DO, and any two ISEs among pH, ORP, ammonium, chloride, or nitrate creating an extremely powerful handheld multiparameter instrument. Sensors are not included in meter purchases.

Versatile
Connect any Professional Series cable and probe option to the instrument and use the convenient cable management kit to keep everything simple and organized. Cable options range from 1-, 4-, 10-, 20-, and 30-meter choices (up to 100-meters on DO-only cables). Use lab or field probes and switch between the two quickly. The ProQuatro makes an ideal lab BOD instrument with the proven self-stirring BOD probe (EPA Approved). A complete family of accessories also increases the versatility of the YSI ProQuatro. Choose among accessories including carrying cases, flow cells, cable weight, belt clip, and tripod.

Field Durable Features

  • Easy-to-install cable weights; can be daisy-chained for additional weight
  • Rubber, over-molded IP-67 waterproof case (even without the battery cover)
  • 3-year instrument warranty
  • 2-year cable warranty
  • Rugged cables, sensors, and military-spec connectors
  • Drop-tested 1 meter at all angles
  • Scratch-resistant lens; viewable even with polarized glasses
  • Instrument floats
  • Weighted, user-replaceable multi-sensor design

Smart Features

  • 5,000 data set memory
  • Detailed on-screen Help function
  • Interval or single-event logging
  • 50 Data IDs*
  • Password protection
  • Detailed GLP data
  • USB connection also powers the instrument
  • 6-point cal with auto-buffer recognition

Select Options

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Part #
Description
Price
Stock
Quantity
YSI ProQuatro front view
606950
ProQuatro multi-parameter water quality meter (cable/sensors sold separately)
$1,368.95
More On The Way  
YSI ProQuatro Multi-Parameter Water Quality Meter
606968
ProQuatro Gal DO/pH/Cond 4m Field Kit: Includes ProQuatro meter, Quatro 4m cable, 2002 galvanic DO sensor, 1001 pH sensor & 3075 case
$3,582.45
Check Availability  
YSI ProQuatro Multi-Parameter Water Quality Meter
606966
ProQuatro Pol DO/pH/Cond 4m Field Kit: Includes ProQuatro meter, Quatro 4m cable, 2003 polarographic DO sensor, 1001 pH sensor & 3075 case
$3,587.20
Check Availability  
YSI ProQuatro Multi-Parameter Water Quality Meter
606969
ProQuatro Gal DO/pH/ORP/Cond 4m Field Kit: Includes ProQuatro meter, Quatro 4m cable, 2002 galvanic DO sensor, 1001 pH sensor, 1002 ORP sensor & 3075 case
$3,832.30
Check Availability  
YSI ProQuatro Multi-Parameter Water Quality Meter
606967
ProQuatro Pol DO/pH/ORP/Cond 4m Field Kit: Includes ProQuatro meter, Quatro 4m cable, 2003 polarographic DO sensor, 1001 pH sensor, 1002 ORP sensor & 3075 case
$3,832.30
Check Availability  
  Accessories 0 Item Selected

In The News

YSI ProQuatro Multi-Parameter Water Quality Meter Review

When environmental professionals need a reliable multi-parameter meter with measurement flexibility, the YSI ProQuatro is an affordable option. The YSI meter measures a combination of water temperature, conductivity, pH, ORP, ammonium, nitrate and chloride. [caption id="attachment_39045" align="aligncenter" width="940"] The YSI ProQuatro in use at the Fondriest Center for Environmental Studies. (Credit: Emma Jones / Fondriest Environmental) [/caption] Sensors plug into a 4-port bulkhead with an included temperature/conductivity probe. Dissolved oxygen sensors, pH and/or ORP sensors are often selected for the other ports.

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The public knows much more about Great Lakes coastal wetlands than it did ten years ago.  In those ten years, the information gathered through the Great Lakes Coastal Wetlands Monitoring Program has led to and supported dozens of advances in Great Lakes science while helping nail down the shifting nature of ecosystem health for a vital part of the Great Lakes system. “I probably get one or two requests for information a week,” Don Uzarski, director of the program, told Environmental Monitor. The program’s most recent semi-annual report lists 40 scientific publications using the collected data. In addition, the data has been used in even more restoration projects, graduate theses and presentations.

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