Pro20 Dissolved Oxygen Instrument

Pro20 Dissolved Oxygen Instrument

YSI Pro20 dissolved oxygen meter. This dissolved oxygen instrument is designed tough enough for the field and smart enough for the lab conducting BODs.

Price$560.00 (US Only)

SKU6050020


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

Instrument Only.  Cables, probes/sensors, and accessories sold separately.

  • Overview

    The YSI Pro20 dissolved oxygen meter is a rugged, user-friendly instrument for dissolved oxygen measurement. The Pro20 can be used in the lab or the field and can go from one to the other in seconds.

    Check out the trade in program currently going on (U.S. only).

    User-replaceable sensors and cables and convenient One Touch Cal feature makes it extremely user friendly. Mil-spec (military spec) connectors, IP-67 waterproof and rubber over molded case, and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. The feature set of the Pro20 results in a low total cost of ownership over the life of the product.

    Fast response times with the Polarographic or Galvanic dissolved oxygen sensors allow you to complete your sampling routine quickly. The long life of the Polarographic sensor saves time and money and reduces your overall cost. The Galvanic sensor enables you to start sampling immediately without a warm-up period. Either sensor you choose for the field will give you accurate, quality data.

    Additional features include:

    • Internal barometer for highest accuracy
    • Choose field DO sensors (Polarographic or Galvanic) or lab BOD probe for BOD in wastewater
    • One Touch Cal calibrates within 3 seconds with the push of a button
    • Stores 50 data sets
    • Graphic, backlit display and glow in the dark keypad
    • Available with 1, 4, 10, 20, 30 or 100-meter cables
    • View display with polarized sunglasses on
    • Fastest response time on the market with 95% response in 8 seconds with standard membrane
    • Multiple languages include English, Spanish, French and German
    • User replaceable sensors and cables 
    • 3-year instrument; 2-year cable warranty

    Lab or field - the Pro20 is ready for whatever you need when it comes to oxygen meters.

    When ordering the YSI Pro20 you must order the instrument, cable, and dissolved oxygen probe separately, allowing you to choose the system that best fits your application.

    If you're interested in learning more about optical dissolved oxygen technology and the YSI ProODO optical DO instrument please visit the ProODO page.

    Please visit our extensive dissolved oxygen resource page to learn about all things DO and BOD related; www.YSI.com/weknowDO.

    You can also download The Dissolved Oxygen Handbook covering all things DO related from technologies, to maintenance and calibrations, and acquiring the best data.

  • Specifications
    Certifications IP-67, RoHS, Assembled in USA, WEEE, 1-meter drop test, CE
    Connector MS (military spec) waterproof with bayonet lock
    Digital / Digital Sensors Analog
    Equipment used with ProBOD, ProSeries 20-x cables
    Graphic Display backlit display AND keypad, Graphic display with detailed Help
    Languages English, French, German, Spanish
    Logging Capabilities Single
    Measurement Range Dissolved Oxygen % air saturation-0 to 500%
    Memory 50 data sets
    Multiparameter Yes
    Parameters Measured Temperature, Dissolved Oxygen, Built-in barameter
    Power 2 alkaline C-cells provide 450 continuous hours at ambient temperature without backlight
    Sampling Yes
    Unit of Measure air saturation, °F, Dissolved Oxygen-%, Barameter-mmHg, mg/L, Temperature- °C
    User Calibratable Yes
    User Replaceable Yes
    Warranty 3-year instrument; 2-year field cables
    Waterproof IP-67 (even with the battery cover off), floats
  • Accessories

    Pro Series Dissolved Oxygen/Temperature Field Cable

    DO and temperature cable assembly

    Flow Cell Mounting Spike

    Flow Cell Mounting Spike

    Flow Cell, Standard, 203 mL

    Flow Cell, Standard, 203 mL

    Cable Management Kit

    Cable Management Kit

    Belt Clip

    Belt Clip

    Pro Series Hard Sided Carrying Case

    Carrying Case, Hard Sided

    Pro Series Soft Sided Carrying Case

    Carrying Case, Soft Sided

    Flow Cell, Extended Length

    Flow Cell, Extended Length

    Tripod Clamp

    Tripod Clamp

    Cap Membrane Kit 2.00 Mil PE

    Cap Membrane Kit 2.00 Mil PE (6 each), includes electrolyte (blue cap)

    Cap Membrane Kit 2.00 Mil PE

    Cap Membrane Kit 2.00 Mil PE(6 each), includes electrolyte (blue cap)

    Cap Membrane Kit 1.25 Mil PE

    Cap Membrane Kit 1.25 Mil PE (6 each), includes electrolyte (yellow cap)

    Cap Membrane Kit 1.25 Mil PE

    Cap Membrane Kit 1.25 Mil PE (6 each), includes electrolyte (yellow cap)

    Cap Membrane Kit 1.00 Mil Teflon

    Cap Membrane Kit 1.00 Mil Teflon (6 each), includes electrolyte (black cap)

    Cap Membrane Kit 1.00 Mil Teflon

    Cap Membrane Kit 1.00 Mil Teflon (6 each), includes electrolyte (black cap)

    Weight, Probe/Cable, 4.9 oz

    Weight, Probe/Cable, 4.9 oz

    Shoulder Strap

    Shoulder Strap

    Ultra Clamp

    Ultra Clamp

    Pro Series Lab Dock

    Pro Series Lab Dock

    Pro Series BOD Probe

    Self-stirring BOD probe for use with the Pro20 and Pro Plus

  • How to Order

    Step 1: Order Instrument

    SKU Description
    6050020 Pro20 Handheld instrument

    Step 2: Order Cable(s)

    SKU Description
    60520-1 1-m cable for DO/temp
    60520-4 4-m cable for DO/temp (includes cable management kit)
    60520-10 10-m cable for DO/temp (includes cable management kit)
    60520-20 20-m cable for DO/temp (includes cable management kit)
    60520-30 30-m cable for DO/temp (includes cable management kit)
    60520-100 100-m cable for DO/temp

    Step 3: Order Sensor(s) and Probe(s)

    SKU Description
    605780 Self-stirring BOD probe with 2-m (6 ft.) cable included
    605202 Galvanic Sensor for any cable
    605203 Polarographic Sensor for any cable
  • Video

    Pro20 Dissolved Oxygen Instrument

    YSI Pro20 dissolved oxygen meter. This dissolved oxygen instrument is designed tough enough for the field and smart enough for the lab conducting BODs.

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Pro Series BOD Probe

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