YSI ProDSS Sensors
SKU
626902
Special Price $427.50 Regular Price $450.00

NOTE: YSI ProDSS Sensors ONLY. Handheld, Cable Assemblies, Calibration Solutions, and Accessories MUST be ordered separately.

A conductivity/temperature sensor (626902) must be installed in a ProDSS cable for accurate measurement of all parameters. All sensors, including conductivity/temperature, must be ordered separately.

ProDSS System Specifications (Instrument, Cables & Sensors)

Parameter
(units)
Sensor TypeRangeAccuracyResolutionCalibrationMaximum 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 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 µS/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 - -
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