
Pro2030
Field Dissolved Oxygen / Conductivity
"YSI did a great job on this design. Our staff of about 20 people consists of old veterans to recent college grads, and not one so far has had a negative comment."
The Pro2030 provides everything you need in a handheld dissolved oxygen meter that automatically compensates for changes in salinity values. Rugged, simple and reliable.
Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature.

YSI has Authorized Distributors all over the globe. View a map and find your closest contact for YSI Pro2030 products and accessories.
Have a question about your YSI Pro2030? Check out the support page with resources compiled just for you.
Want to return a product for service? Here you'll find authorized service centers and instructions on how to send in your YSI Pro2030.
Ideal replacement for the discontinued YSI Model 85.
User-replaceable sensors and cables and convenient Quick 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 Pro2030 results in a low total cost of ownership over the life of the product and proves that it is smarter, tougher, and more versatile.
Interested in a Pro Series Product? Check out the trade in program currently going on (U.S. only).
Fast response times with the Polarographic or Galvanic DO sensor allows 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.
The super-stable 4-electrode conductivity cell is built into the cable and will provide years of accurate data. The cells are designed for rugged field performance and are easily cleaned and require minimal maintenance.
Additional features include:
When ordering the Pro2030 you must order the instrument, cable, and DO sensor separately, allowing you to choose the system that best fits your application. Conductivity is part of the cable you order and included in the cable purchase.
Ideal replacement for the YSI Model 85.
Please visit our extensive dissolved oxygen resource page to learn about all things DO and BOD related; www.YSI.com/weknowDO
Pro2030 Instrument General Specifications
| Conductivity | ±0.5% of the reading or 1.0 uS/cm, whichever is greater |
| Barometer | Built-in barometer |
| Cable Lengths* | 1- 4- 10- 20- and 30-m lengths (3.28, 13.1, 32.8, 65.6, and 98.4 ft.) |
| Certifications | RoHS, CE, WEEE, IP-67, 1-meter drop test |
| Connector | MS (military spec) waterproof with bayonet lock |
| Data Memory | 50 data sets |
| Dimensions | 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.25 in x 8.5 in x 2.21 in) |
| Languages | English, Spanish, German, French |
| Power | 2 alkaline C-cells providing approximately 400 hours of battery life depending on backlight usage; low battery indicator |
| Salinity Input Range | 0-70 ppt; automatic - uses conductivity reading; DO compensated for salinity values |
| Warranty | 3-year instrument; 2-year cable; 1-year Polarographic sensors; 6-months Galvanic sensors |
| Waterproof | IP-67 (even with the battery cover off) |
| Weight with Batteries | 475 grams (1.05 lbs) |
| Conductivity Reference Temp | Adjustable; range 15°C to 25°C |
| Specific Conductance Temp Comp | 0 to 4% |
Pro2030 System Specifications (Instrument with Cable & Probe)
| Sensor Type | Range | Accuracy | Resolution | |
| Dissolved Oxygen (%) | Polarographic or Galvanic | 0 to 500% air saturation | 0 to 200% air saturation, ± 2% of the reading or ±2% air saturation, whichever is greater; 200 to 500% air saturation, ± 6% of the reading | 0.1% or 1% air saturation (user selectable) |
| Dissolved Oxygen (mg/L) | Polarographic or Galvanic | 0 to 50 mg/L | 0 to 20 mg/L, ± 2% of the reading or ±0.2 mg/L, whichever is greater; 20 to 50 mg/L, ± 6% of the reading | 0.01 or 0.1 mg/L (user selectable) |
|
Conductivity (mS, uS) |
Four-electrode cell | 0 to 200 mS/cm (auto range) |
1- or 4-m cable, ±1.0% of the reading or 1.0 uS/cm, whichever is greater 10- 20- or 30-m cable, ±2.0% of the reading or 1.0 uS/cm, whichever is greater |
0.0001 to 0.1 mS/cm (range dependent) |
| Salinity (ppt, PSU) | Calculated | 0 to 70 ppt | ±1% of the reading or 0.1 ppt, whichever is greater | 0.01 ppt |
| Total Dissolved Solids (TDS) (mg/L, g/L) | Calculated | 0 to 100 g/L TDS constant range 0.30 to 1.00 (0.65 default) | Dependent on temp and conductivity; calculated from those parameters | 0.001, 0.01, 0.1 g/L |
| Temperature | -5 to 55°C (0 to 45°C; DO compensation range for mg/L ) |
±0.2°C | 0.1°C | |
| Barometer | 500 to 800 mmHg | ±5 mm Hg within ± 15°C temperature range from calibration point | 0.1 mm Hg |
Ordering Guide
| Item # | Description |
| 6052030 | Pro2030 Handheld instrument |
| 6052030-1 | 1-m cable for DO/cond/temp |
| 6052030-4 | 4-m cable for DO/cond/temp (includes cable management kit) |
| 6052030-10 | 10-m cable for DO/cond/temp (includes cable management kit) |
| 6052030-20 | 20-m cable for DO/cond/temp (includes cable management kit) |
| 6052030-30 | 30-m cable for DO/cond/temp (includes cable management kit) |
| 605202 | Galvanic Sensor for any cable |
| 605203 | Polarographic Sensor for any cable |
Ordering Guide for Pro2030 Kits
| Item # | Description | Included in Kit |
| 603174 | Pol DO/Con, 4-m | Pro2030 meter, 4-meter field cable with polarographic DO and conductivity, soft-sided carrying case (603162) |
| 603175 | Gal DO/Con, 4-m | Pro2030 meter, 4-meter field cable with galvanic DO and conductivity, soft-sided carrying case (603162) |
| 603176 | Pol DO/Con, 10-m | Pro2030 meter, 10-meter field cable with polarographic DO and conductivity, soft-sided carrying case (603075) |
| 603177 | Gal DO/Con, 10-m | Pro2030 meter, 10-meter field cable with galvanic DO and conductivity, soft-sided carrying case (603075) |
YSI Pro2030 Dissolved Oxygen/Conductivity User Manual
Français - YSI Pro2030 User Manual - Rev C
Deutsch - YSI Pro2030 User Manual - Rev C
Español - YSI Pro2030 User Manual - Rev C
YSI Pro2030 Dissolved Oxygen/Conductivity Meter Specification Sheet
Water Quality Sampling for Field and Laboratory
Wastewater - Water Quality Capabilities & Solutions
Aquaculture Applications, Capabilities & Solutions
Español - Piscicultura Aplicaciones, Competencia y Soluciones
YSI Instruments EPA Compliance Guide
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2002 Pro Series Galvanic DO SensorYSI 2002 Galvanic sensor for the Professional Plus and Pro20 DO instruments. |
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2003 Pro Series Polarographic DO SensorYSI 2003 Polarographic sensor for the Professional Plus and Pro20 DO instruments. |
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3062 Cable Management KitEasily manage your cables. Also attaches to the back of the instrument to create a very compact system. |
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3069 Belt ClipEasily attach any Pro Series, 556, or 650 instrument to your belt or other convenient location with this simple clip. |
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3074 Hard-Sided Carrying CaseThe 3074 hard-sided carrying case ideal for all Pro Series products. |
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3075 Soft-Sided Carrying CaseA soft-sided carrying case ideal for all Pro Series products. Cable management kits easily attach to the outside of the case keeping the inside clean and dry. |
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3076 Extended Length Flow CellExtneded length flow cell for Pro Series single or dual port cables |
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4654 TripodThis small 4654 tripod supports the instrument at a convenient viewing angle. |
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5908 DO Cap Membrane KitYSI 5908 screw-on cap dissolved oxygen membranes. |
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5909 DO Cap Membrane KitYSI 5909 screw-on cap dissolved oxygen membranes. |
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5913 DO Cap Membrane KitYSI 5913 screw-on cap dissolved oxygen membranes for galvanic sensors. |
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5914 DO Cap Membrane KitYSI 5914 screw-on cap dissolved oxygen membranes for galvanic sensors. |
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5978 Cable WeightThe 5978 cable weight attaches to the end of the probe guard. Ideal for longer cables to ensure you reach the depths you need. |
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603070 Pro Series Shoulder StrapEasily attach any Pro Series instrument to the shoulder strap to keep your instrument secure and safe when sampling. |
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603174 Pro2030 4-Meter Field Kit PolarographicPro2030 meter, 4-meter cable with conductivity built-in and Polarographic DO probe, carrying case |
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603175 Pro2030 4-Meter Field Kit GalvanicPro2030 meter, 4-meter cable with conductivity built-in and Galvanic DO probe, carrying case, cable management kit |
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603176 Pro2030 10-Meter Field Kit PolarographicPro2030 meter, 10-meter cable with conductivity built-in and Polarographic DO probe, carrying case, cable management kit |
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603177 Pro2030 10-Meter Field Kit GalvanicPro2030 meter, 10-meter cable with conductivity built-in and Galvanic DO probe, carrying case, cable management kit |
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6052030 Pro Series DO/Conductivity CableThe 6052030 is a 1-port combo cable for use with the Professional Plus instrument. The 1-port requires a DO probe while the conductivity is built right into the cable. |
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614 Ultra ClampThis small clamp supports the instrument at a convenient viewing angle. Ideal for attaching the instrument to the gunwale of a boat, table, or and surface with an edge to clamp to. |
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6262 Small, Soft-Sided Carrying CaseA compact, convenient, soft-sided carrying case ideal for all Pro Series products with cables up to 10-meters (4-meters for the Quatro cable). |
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626444 Lab DockThis dock is ideal in the laboratory, when connecting to Data Manager desktop software, or just storing the instrument for the next trip to the field. Can be used with the instrument or instrument and Pro Comm II communications saddle. |
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Conductivity Calibration SolutionsNIST-traceable conductivity solutions to calibrate both field instruments and lab instruments and cells together for maximum |
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