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PRODSS Multi Parameter
Standard 9-15 Days Delivery | Once received to our Hub
The YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility with two main cable options. Choose between the fully loaded 4-port cable assembly outfitted with any four DSS sensors (with depth or no depth) or the ODO/CT probe and cable - where you get accurate DO measurements every time with an optical dissolved oxygen sensor with an inline conductivity sensor, allowing for real-time salinity compensation.
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 into the field with the ProDSS. We hope to see you in class!
Instrument Only. Cables, probes/sensors, and accessories sold separately.
| 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 to 200 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 18000 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 |
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