Interested in a Pro Series Product? Check out the trade in program currently going on (U.S. only).
Toughest
The Pro Plus instrument meets the demands of true field work. The instrument is rated to IP-67 standards even without the battery cover on. Other tough features include a 3-year warranty, Mil-spec connectors, rubber overmolded case, and a 2-year cable warranty. In-house testing procedures also include 1-meter drop tests from all angles to ensure expected field-durability.
Tough, Field Durability Features Include:
- 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 with polarized glasses
- Instrument floats
- Weighted, user-replaceable multi-sensor design
Smartest
The instrument provides numerous benefits from the following features; 5,000 data-set memory, password protection, backlit display and keypad, graphic display with detailed Help functionality, re-cal prompts, user defined fields, detailed GLP, auto stable, Hold All Readings function, Data Manager software for the desktop, USB connection, auto-buffer recognition, and flexible folders and site lists for logging data.
Smart Features Include:
- 5,000 data set memory
- Detailed on-screen Help function*
- Free, Data Manager desktop software and ProComm II saddle*
- Interval or single-event logging
- 100 folder & site list data structure*
- Password protection
- Detailed GLP data
- USB connection also powers the instrument
- 6-point cal with auto-buffer recognition*
- User-adjustable auto-stable with prompts*
- User-upgradeable software via waterproof USB port
- Recalibration prompts
- Search function filters user-defined data information*
- Backlit display AND keypad*
- Cable management kit included with all cables from 4- to 30-meters*
Most Versatile
Connect any Professional Series cable (excludes ODO cables) 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 Pro Plus makes an ideal lab BOD instrument with the proven self-stirring BOD probe. A convenient handstrap can be used on either side of the instrument. A complete family of accessories also increases the versatility of the Pro Plus. Choose among accessories including carrying cases, flow cells, cable weight, belt clip, tripod, and c-clamp.
Added Versatility Features Include:
- Adjustable right- or left-handed hand strap*
- Multiple user-replaceable sensor options and a choice of DO sensors*
- Multiple parameter options and cable lengths
- Lab-grade ISE sensors and BOD probe available to make a true lab/field instrument
- Languages – English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified and Traditional)
- Wide array of accessories are available from flow cells, to shoulder straps, to carrying cases
Free – Data Manager – Watch the Data Manager Demo Video
Data management can become a daunting task over time but with the Data Manager software this task is much simpler and efficient. Download data, configure instruments, and conduct real-time studies easily with Data Manager software. View data graphically or in tabular form and export data as needed to other programs. Data Manager software is a very powerful tool. So powerful in fact, that we give it to you at no charge when purchasing a Pro Plus. After all, it’s all about the data!
When purchasing the Pro Plus you will receive the instrument, manual, batteries, communications saddle, USB cable, and Data Manager software. Cables and probes are ordered separately.
* feature or benefit only YSI offers on a handheld instrument.
| Autostable | User-defined auto-stable function holds stable readings on display when criteria is met |
|---|---|
| Certifications | IP-67, VCCI, Assembled in USA, WEEE, FCC, RoHS, 1-meter drop test, CE, C-Tick |
| Connectivity / Communications | USB 2.0, ProComm II communications saddle and USB cable included, user-upgradeable software via USB and website |
| Connector | MS (military spec) waterproof with bayonet lock |
| Data Management | Data Manager desktop software included; 100 user-defined folders and site namesMinimum PC requirements;•Windows 2000 with SP4 (minimum) or XP with SP2 (minimum)•300 MHz or higher Pentium-compatible CPU•128 MB of RAM or higher•80 MB or more of free hard-disk space•USB 2.0•Microsoft.NET (installed with Data Manager) |
| Desktop Software Compatible | Data Manager desktop software included, 100 user-defined folders and site names Minimum PC requirements, •Windows 2000 with SP4 (minimum) or XP with SP2 (minimum) •300 MHz or higher Pentium-compatible CPU •128 MB of RAM or higher •80 MB or more of free h |
| Digital / Digital Sensors | Analog |
| GLP Compliance | Yes, detailed GLP information is stored and is available to view, download or print |
| Graphic Display | backlit display AND keypad, Graphic display with detailed Help |
| Languages | Italian, Chinese (Simplified and Traditional), Norwegian, English, French, Spanish, German, Japanese, Portuguese |
| Logging Capabilities | Single or Continuous |
| Measurement Range | Dissolved Oxygen % air saturation-0 to 500% Temperature–5 to 70°C Conductivity-0 to 200 mS/cm Salinity-0 to 70 ppt pH-0 to 14 units ORP-1999 to +1999 mV Ammonium-0 to 200 mg/L-N Nitrate-0 to 200 mg/L-N Chloride-0 to 1000 mg/L Total Dissolved Solids(TDS)-0 to 100 g/L Barometer-375 to 825 mmHg |
| Memory | 100 GLP files, 5,000 data sets (data, date, time, user-defined info) |
| Multiparameter | Yes |
| Operating pH Range | 0 to 14 units |
| Operating Temperature | -10 to 60°C |
| Parameters Measured | Temperature, Dissolved Oxygen, pH, ORP/Redox, Conductivity, TDS, Ammonia, Ammonium, Nitrate, Chloride,Built-in barometer |
| Power | 2 alkaline C-cells provide 80 continuous hours at ambient temperature without backlight, ProComm II saddle provides USB power or optional wall power, cigarette lighter, and universal cell phone charger options |
| Sampling | Yes |
| Storage Temperature | -20 to 70°C |
| Unit of Measure | Ammonium-mg/L-N, °F, Temperature- °C, mg/L, Barameter-mmHg, Nitrate-mg/L-N, air saturation, pH-units, Dissolved Oxygen-%, Conductivity-mS/cm, ORP-mV, Total Dissolved Solids(TDS)-g/L, Salinity-ppt, Chloride-mg/L |
| User Calibratable | Yes |
| User Replaceable | Yes |
| Warranty | 3-year instrument; 2-year field cables |
| Waterproof | floats, IP-67 (even with the battery cover off) |
Professional Plus Instrument General Specifications
| Specification | |
|---|---|
| Barometer | Built-in barometer |
| Buffer Recognition | Auto buffer recognition for US and NIST buffers |
| Cables: Field | Standard lengths of 1, 4, 10, 20, or 30 meters – up to 100 meters on DO only cables; 4- through 30-meter cables include a cable management kit |
| Cables: Lab | BOD sensor includes 2-meter cable; 1 or 4 meters on lab pH, ORP and pH/ORP cables |
| Certifications | RoHS, CE, WEEE, C-Tick, VCCI, FCC, IP-67, 1-meter drop test, Assembled in USA |
| Connectivity | USB 2.0; ProComm II communications saddle and USB cable included; user-upgradeable software via USB and website |
| Connector | MS (military spec) waterproof with bayonet lock |
| Data Management | Data Manager desktop software included; 100 user-defined folders and site names. Minimum PC requirements:
|
| Data Memory | 5,000 data sets (data, date, time, user-defined info); 100 GLP files |
| 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) |
| Display | Graphic display with detailed Help; backlit display AND keypad |
| DO Membrane Response Times(T95; 100%-0) and Flow Dependence | 1.25 mil PE = 8 seconds and 6 in/sec flow 2.0 mil PE = 17 seconds and 3 in/sec flow 1 mil Teflon® = 18 seconds and 12 in/sec flow |
| DO Sensors | Polarographic or galvanic field sensors; self-stirring polarographic BOD sensor for the lab |
| Flow Cell | Single, dual and multiparameter Quatro cable all flow cell compatible |
| GLP Compliance | Yes; detailed GLP information is stored and is available to view, download or print |
| Languages | English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified & Traditional) |
| Logging Modes | Single point or Continuous |
| Power | 2 alkaline C-cells provide 80 continuous hours at ambient temperature without backlight; ProComm II saddle provides USB power or optional wall power, cigarette lighter, and universal cell phone charger options |
| Temperature: Operating | -10 to 60°C (14 to 140°F) |
| Temperature: Storage | -20 to 70°C (-4 to 158°F) |
| User ID | Optional user ID for data security |
| Warranty | 3-year instrument; 2-year field cables |
| Waterproof | IP-67 (even with the battery cover off); floats |
| Weight | 475 grams (1.05 lbs) |
Professional Plus System Specifications (Instrument, Cables & Sensors)
| Parameter (units) |
Sensor Type | Range | Accuracy | Resolution | Calibration |
|---|---|---|---|---|---|
| Ammonium** (mg/L-N mV) ammonia with pH sensor |
Ion Selective Electrode | 0 to 200 mg/L-N, 0 to 30°C | ±10% of reading or 2 mg/L-N, whichever is greater | 0.01 mg/L | 1, 2, or 3 point (user selectable) |
| Barometer (mmHg, inHg, mbar, psi, kPa, ATM) |
Piezoresistive | 375 to 825 mmHg | ±1.5 mmHg from 0 to 50°C | 0.1 mmHg | 1 point |
| Chloride** (mg/L-Cl-, mV) |
Ion Selective Electrode | 0 to 1000 mg/L, 0 to 40°C | ±15% of reading or 5 mg/L, whichever is greater | 0.01 mg/L | 1, 2, or 3 point (user selectable) |
| Conductivity* (µS, mS) |
Four Electrode Cell | 0 to 200 mS/cm (auto-range) | 1 m, 4 m cables: ±0.5% of reading or 0.001 mS/cm, whichever is greater 20 m cable: ±1% of reading or 0.001 mS/cm, whichever is greater |
Range dependent
0 to 0.500 mS/cm:0.001 |
1 point |
| Dissolved Oxygen (% saturation) temp comp range -5 to 50°C |
Polarographic or Galvanic | 0 to 500% | 0 to 200% : ± 2% of reading or 2% air saturation, whichever is greater 200% – 500% : ± 6% of reading |
0.1% or 1% air saturation (user selectable) | 1 or 2-points with zero |
| Dissolved Oxygen (mg/L, ppm) temp comp range -5 to 50°C |
Polarographic or Galvanic | 0 to 50 mg/L | 0 to 20 mg/L : ± 2% of reading or 0.2 mg/L, whichever is greater 20 – 50 mg/L : ± 6% of reading |
0.1 or 0.01 mg/L (user selectable); 0.1% air saturation | 1 or 2-points with zero |
| Nitrate** (mg/L-N mV) |
Ion Selective Electrode | 0 to 200 mg/L-N, 0 to 30°C | ±10% of reading or 2 mg/L-N, whichever is greater | 0.01 mg/L | 1, 2, or 3 point (user selectable) |
| ORP (mV) |
Platinum Button | -1999 to +1999 mV | ±20 mV in redox standards | 0.1 mV | 1 point |
| pH (mV, pH units) |
Glass Combination Electrode | 0 to 14 units | ±0.2 units | 0.01 units | 1, 2, 3, 4, 5, or 6 point (user selectable); US, NIST or Custom Buffers |
| Salinity (ppt, PSU) |
Calculated from Conductivity and Temperature | 0 to 70 ppt | ±1.0% of reading or ±0.1 ppt, whichever is greater | 0.01 ppt | 1 point |
| Temperature Field-rugged cables (°C, °F, K) |
Thermistor | -5 to 70°C (23 to 158°F) | ±0.2°C; ±0.3°C cables over 45-meters |
0.1°C | None |
| Temperature Lab-grade cables (°C, °F, K) |
Thermistor | -0 to 40°C (32 to 104°F) | ±0.35°C | 0.1°C | None |
| Total Dissolved Solids (TDS) (mg/L, kg/L, g/L) |
Calculated from Conductivity and Temperature | 0 to 100 g/L TDS constant range | User-Selectable TDS Multiplier (0.30 to 1.00; 0.65 default) | 0.001, 0.01, 0.1g/L | – |
* Lab-grade cables include 605107, -108, -109, 605177, -178, -179
** Derived parameters can include resistivity, salinity, specific conductance, and total dissolved solids
*** ISE sensors for freshwater only; 20-meter maximum depth
YSI Professional Plus Handheld Algae Package I Includes
- Temperature, Conductivity, pH(ISE), Dissolved Oxygen, and Ammonia/Ammonium(ISE) Sensors
- 1-meter Quatro Cable and soft-sided carrying case
YSI Professional Plus Handheld Algae Package II
- Temperature, Conductivity, pH(ISE), Dissolved Oxygen, and Nitrate(ISE) Sensors
- 1-meter Quatro Cable and soft-sided carrying case
