Portable Multiparameter Sampling Handheld Instrument
YSI's ProDSS (Digital Sampling System) Multiparameter Handheld Meter provides flexibility and customization with a 4-port cable assembly outfitted with any four sensors, with or without depth.
Instrument Only. Cables, sensors, and accessories sold are separately.
Specifications |
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|---|---|
| Benchtop | Yes, optical BOD probe for the lab is available |
| Buffer Recognition | Yes, auto-buffer recognition for USA (4.00, 7.00, 10.00) and NIST (4.01, 6.86, 9.18) buffer sets. Calibration values are automatically compensated for temperature for both buffer sets. |
| Certification | RoHS, UN Part III Section 38.3 test methods for lithium-ion batteries (class 9), WEEE, CE, FCC, 1-meter drop test, Assembled in USA, IP-67 |
| Connectivity / Communications | Built-in micro USB On-The-Go port for PC connection, recharging/powering the ProDSS and connecting directly to a USB stick |
| Connector | MS (military spec) waterproof with quarter-turn bayonet lock (unsurpassed in regards to durability) |
| Data Management | Kor desktop PC software (included), >100,000 data sets Kor Mobile App |
| Desktop Software Compatible | Kor desktop PC software (included) |
| Digital / Digital Sensors | Yes |
| Flow Cell | Yes, flow cell is available |
| GLP Compliance | detailed GLP information is stored and is available to view, download or print, Yes |
| GPS | coordinates are stored with measurement data and site lists, Optional internal GPS |
| Graphic Display | Color, LCD graphic display, backlit keypad |
| Languages | Spanish, German, French, Norwegian, Italian, Japanese, English, Portuguese, Chinese (Simplified & Traditional) |
| Logging Capabilities | Yes, Single point or Continuous |
| Measurement Method / Channels | Digital |
| Memory | >100,000 data sets, 400 GLP files |
| Multiparameter | Yes |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Parameters Measured | Dissolved Oxygen (%), Dissolved Oxygen (mg/L), Temperature, Turbidity, Conductivity, Specific Conductance, Resistivity, Salinity, Water Density, pH, ORP, Ammonium, Nitrate, Chloride, Total Dissolved Solids (TDS), Total Suspended Solids (TSS), Depth, Barometer |
| Power | Rechargeable lithium-ion battery pack providing ~48 hours of battery life (instrument only with backlight off) |
| Sampling | Yes |
| Security / Password Protection / UserID | Yes |
| Size |
Instrument: 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.27 in x 8.5 in x 2.21 in) |
| Smart Sensors / Ports | Yes, 4 universal sensor ports on each cable, can accept any ProDSS sensor |
| Storage Temperature | 0 to 45°C (32 to 113°F) with battery installed0 to 60°C (32 to 140°F) without battery installed |
| User Calibratable | Yes |
| User Replaceable | Yes |
| Warranty | 3-year instrument; 2-year bulkhead, cable assembly, and sensors; 1-year pH and pH/ORP sensor modules, ODO (opticalDO) sensor caps, and Li-Ion battery pack; 6-months ammonium, nitrate, and chloride sensor modules |
| Waterproof | floats, IP-67 (even with the battery cover off) |
ProDSS System Specifications (Instrument, Cables & Sensors) |
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| Parameter (units) | Sensor Type | Range | Accuracy | Resolution | Calibration | Maximum Depth |
| Dissolved Oxygen (% saturation) |
Optical Luminescence - Lifetime Method | 0 to 500% | 0 to 200% (±1% of reading or 1% air saturation, whichever is greater) 200% to 500% (±8% of reading) |
0.1% or 1% air saturation (user selectable) | 1 or 2 points | 100 m |
| Dissolved Oxygen (mg/L, ppm) temp comp range -5 to 50°C |
Optical Luminescence - Lifetime Method | 0 to 50 mg/L | 0 to 20 mg/L (±0.1 mg/L or 1% of reading, whichever is greater) 20 – 50 mg/L (±8% of reading) |
0.1 or 0.01 mg/L (user selectable) | 1 or 2 points (user selectable) | 100 m |
| Temperature (°C, °F, K) |
Thermistor; Combination Sensor with Conductivity | -5 to 70°C (23 to 158°F) | ±0.2°C | 0.1°C or 0.1°F (user selectable) | None | 100 m |
| Turbidity (FNU, NTU) |
Nephelometric - Optical, 90° Scatter | 0 to 4000 FNU | 0 to 999 (0.3 or ±2% of reading, whichever is greater) 1000 to 4000 (±5% of reading) |
0.1 FNU | 1, 2, or 3 points (user selectable) | - |
| Conductivity* (µS, mS) |
Four Nickel Electrode Cell | 0-100 mS/cm | 0 to 100 mS/cm (±0.5% of reading or 0.001 mS/cm, whichever is greater) 100 to 200 mS/cm (±1% of reading) |
0.001, 0.01 or 0.1 mS/cm (range dependent) | 1 point | 100 m |
| Specific Conductance (µS, mS) |
Calculated from Conductivity and Temperature | 0 to 200 mS/cm | ±0.5% of reading or 0.001 mS/cm, whichever is greater | 0.001, 0.01, 0.1 mS/cm | 1 point | - |
| Resistivity (ohm-cm, kohm-cm, Mohm-cm) |
Calculated from Conductivity and Temperature | 0 to 2 Mohms | ±0.1% Full Scale | 0.001, 0.01, 0.1 ohms | - | - |
| 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 | - |
| Water Density (Sigma, Sigma T) |
Sigma is Calculated from Salinity, Temperature, and Pressure Sigma T is Calculated from Salinity and Temperature |
0.0 to 50.0 sigma, sigma T | - | 0.1 sigma or sigma T | - | - |
| pH (mV, pH units) |
Glass Bulb Combination Electrode; Ag/AgCl Reference Gel | 0 to 14 units | ±0.2 units | 0.01 units | 1, 2, or 3 points (user selectable) | 100 m |
| ORP (mV) |
Platinum Button; Ag/AgCl Reference | --1999 to +1999 mV | ±20 mV | 0.1 mV | 1 point | 100 m |
| Ammonium** (NH4-N mg/L, NH4-N mV) ammonia with pH sensor |
Ion Selective Electrode | 0 to 200 mg/L NH4- N | ±10% of reading or 2 mg/L, whichever is greater | 0.01 mg/L | 1, 2, or 3 point (user selectable) |
20 m |
| Ammonia*** (NH3-N mg/L) |
Calculated from Ammonium, Temperature, Salinity and pH | 0 to 200 mg/L NH4-N | - | 0.01 mg/L | - | - |
| Nitrate** (NO3-N mg/L, NO3-N mV) |
Ion Selective Electrode | 0 to 200 mg/L NO3-N | ±10% of reading or 2 mg/L, whichever is greater | 0.01 mg/L | 1, 2, or 3 point (user selectable) |
20 m |
| Chloride** | Ion Selective Electrode | 0 to 1000 mg/L Cl | ±15% of reading or 5 mg/L, whichever is greater | 0.01 mg/L | 1, 2, or 3 point (user selectable) |
20 m |
| Total Dissolved Solids (TDS) (mg/L, kg/L, g/L) |
Calculated from Conductivity and Temperature | 0 to 100 g/L | User-Selectable TDS Multiplier (0.30 to 1.00; 0.65 default) | 0.001, 0.01, 0.1g/L | - | - |
| Total Suspended Solids (TSS) (mg/L) |
Correlated from Turbidity Field Measurements and Lab TSS Measurements from Grab Samples | 0 to 30000 mg/L | Calculated from Turbidity and User- Entered Correlation Points | 0.01, 0.1 mg/L | - | - |
| Chlorophyll (RFU or µg/L chl) |
Optical Luminescence | 0 to 100 RFU or 0 to 400 µg/L chl | Linearity: r2 ≥ 0.999 for Rhodamine WT across full range | 0.01 RFU or 0.01 µg/L chl | 2 point | - |
| Phycocyanin (RFU or µg/L PC) |
Optical Luminescence | 0 to 100 RFU or 0 to 100 µg/L PC | Linearity: r2 ≥ 0.999 for Rhodamine WT across full range | 0.01 RFU or 0.01 µg/L PC | 2 point | - |
| Phycoerythrin (RFU or µg/L PE) |
Optical Luminescence | 0 to 100 RFU or 0 to 280 µg/L PE | Linearity: r2 ≥ 0.999 for Rhodamine WT across full range | 0.01 RFU or 0.01 µg/L PE | 2 point | - |
| Depth (m, ft) |
Pressure Transducer | 0 to 100 m (0 to 328 ft) | ±0.004 m (±0.013 ft) for 1, 4 and 10-m cables ±0.04 m (±0.13 ft) for cables 20-m and longer |
0.001 m or 0.01 ft | 1 point | - |
| 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 | - |
| * Derived parameters can include resistivity, salinity, specific conductance, and total dissolved solids **ISE sensors for freshwater only; 20-meter maximum depth *** Ammonia calculated from ammonium, temp, salinity, and pH |
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The ProDSS is a portable water quality instrument used for sampling applications in a variety of environments, such as:
Equipped with smart sensor technology, the ProDSS automatically recognizes sensors while retaining their calibration data. Its 4-port cable assembly allows you to choose any four sensors at a given time.
ProDSS Parameter Options:
1Derived parameter
2Included in Handheld
Some sensors are EPA approved for drinking water and wastewater compliance reporting.
Note: It is recommended that a Conductivity/Temperature Sensor (626902) is installed in every ProDSS 4-port cable assembly for accurate temperature compensation and measurement.
Key Features
Additional Cable Offerings
Provides accurate DO measurements with an optical dissolved oxygen sensor and an inline conductivity sensor, allowing for real-time salinity compensation.
An optical dissolved oxygen probe assembly with cable for a DO-only instrument. Alternatively, if searching for a DO-only handheld instrument, explore the ProSolo.
EPA-approve method for wastewater compliance reporting of BOD and CBOD. Designed for use in the lab, featuring a self-stirring probe.
All ProDSS instruments include a rechargeable lithium-ion battery (pre-installed), hand strap, USB cable for charging the ProDSS battery and for connection to a PC, universal AC charger, cable for connection to a USB memory stick, ProDSS quick start guide, and USB memory stick containing Kor Software and a digital copy of the user manual.
Want to learn more about the ProDSS? Our online learning program – ProDSS On-Demand Training – is free to use and ensures all trainees are comfortable going in to the field with a ProDSS.
Kor makes it easy to manage ProDSS instrumentation and water quality data. Use the traditional Desktop Software or the Kor Mobile App to calibrate sensors, set up long-term deployments, and ensure equipment is operating at peak performance!
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