YSI ProDSS Specifications
Size
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.)
Weight with batteries
567 grams (1.25 lbs)
Power
Rechargeable lithium-ion battery pack providing ~48 hours of battery life (instrument only with backlight off)
Instrument operating temperature
0 to 50 °C (32 to 122 °F)
Instrument storage temperature
0 to 45 °C (32 to 113 °F) with battery installed; 0 to 60 °C (32 to 140 °F) without battery installed
Display
Colour, LCD graphic display
USB port
Built-in micro USB On-The-Go port for PC connection, recharging/powering the ProDSS & connecting directly to a USB stick
Cables
Available with or without depth sensor in 1, 4, 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100-meters
Sensor ports
4 universal sensor ports on each cable; can accept any ProDSS sensor
Warranty
3-year instrument; 2-year bulkhead, cable assembly, and sensors; 1-year pH and pH/ORP sensor modules, ODO sensor caps & Li-ion battery pack; 6-months ammonium, nitrate & chloride sensor modules
Memory
> 100000 data sets
Logging modes
Single point or continuous with auto-stable feature
GLP compliance
Yes; 400 detailed GLP records can be stored & are available to view, download & print.
Languages
English, Spanish, Portuguese, French, German, Italian, Japanese, Norwegian, Simplified Chinese, Traditional Chinese
Certifications
CE; RoHS; IP-67; WEEE; FCC; UN Part III, Section 38.3, Test methods for lithium-ion batteries (Class 9)
GPS
Optional internal GPS; coordinates are stored with measurement data & site lists
Sites & Data ID
100 user-defined sites and 100 user-defined data ID tags
Instrument, Sensor & Cable
Sensor/
Parameter
Range
Accuracy
Resolution
Units
Temperature
-5 to 70 °C (temperature compensation range)
for DO mg/L measurement: -5 to 50 °C ) ±0.2 °C
0.1 °C or 0.1 °F (user selectable)
°C, °F, K
pH
0 to 14 pH units
±0.2 pH units
0.01 pH units
pH, pH mV
ORP
-1999 to 1999 mV
±20 mV
0.1 mV
mV
Dissolved Oxygen
0 to 500%, 0 to 50 mg/L
0 to 200%: ±1% of reading or 1% saturation, whichever is greater
200 to 500%: ±8% of reading
0 to 20 mg/L: ±0.1 mg/L or 1% of reading, whichever is greater
20 to 50 mg/L: ±8% of reading
0.01 mg/L and 0.1%, or 0.1 mg/L and 1% (user selectable)
% saturation, % saturationlocal, mg/L, ppm
Barometer
375 to 825 mmHg
±1.5 mmHg from 0 to 50 °C
0.1 mmHg
mmHg, inHg, bar, psi, kPa, atm
Conductivity**
0 to 200 mS/cm
0 – 100 mS/cm: ±0.5% of reading or .001 mS/cm, whichever is greater 100 – 200 mS/cm: ±1.0% of reading
0.001, 0.01 or 0.1 μS/cm (range dependent)
μS/cm, mS/cm
Specific Conductance*
0 to 200 mS/cm
0 – 100 mS/cm: ±0.5% of reading or .001 mS/cm, whichever is greater 100 – 200 mS/cm: ±1.0% of reading. User selectable reference temp. (15 to 25 °C; default 25°C) & compensation coefficient (0 to 4%/°C; default 1.91%)
0.001, 0.01, 0.1 mS/cm
μS/cm or mS/cm
Salinity*
0 to 70 ppt
±1.0% of reading or ±0.1 ppt, whichever is greater
0.01 ppt
ppt or PSU
Total Dissolved Solids*
0 to 100 g/L
Calculated from specific conductance and a user-selectable TDS multiplier (0.30 to 1.00; default 0.65)
0.001, 0.01, 0.1 g/L
mg/L, g/L, kg/L
Seawater Density*
0.0 to 50.0 sigma, sigma T
–
0.1 sigma or sigma T
Sigma, Sigma T
Turbidity
0 to 4000 FNU
0 to 999 FNU: 0.3 FNU or ±2% of reading, whichever is greater
1000 to 4000 FNU: ±5% of reading
0.1 FNU FNU, NTU
Total Suspended Solids*
0 to 30000 mg/L
User correlated from turbidity field measurements & lab TSS measurements from grab samples
0.01, 0.1 mg/L
mg/L
Ammonium***/****
0 to 200 mg/L NH4 -N
±10% of reading or 2 mg/L, whichever is greater
0.01 mg/L
NH4 -N mg/L, NH4 -N mV
Chloride***
0 to 18000 mg/L Cl
±15% of reading or 5 mg/L, whichever is greater
0.01 mg/L
Cl mg/L, Cl mV
Nitrate***
0 to 200 mg/L NO3
-N ±10% of reading or 2 mg/L, whichever is greater
0.01 mg/L
NO3 -N mg/L, NO3 -N mV
Depth
0 to 328 feet (0 to 100 m)
±0.013 ft (±0.004 m) for 1, 4 & 10 m cables
±0.13 ft (±0.04 m) for cables 20 m & longer 0.001 m or 0.01 ft
M,ft
Instrument, Sensor & Cable
Sensor/
Parameter
Sensor Type/
Measurement Method
Calibration
Max Depth
Warranty
Temperature
Thermistor, installed on conductivity sensor
Not available
100m
2 years for conductivity/temperature sensor
pH
Combination glass bulb electrode, Ag/AgCl reference electrode with gelled electrolyte
1, 2, or 3 point
100 m
2 years for pH & pH/ORP sensors
1 year for pH & pH/ORP sensor modules
ORP
Platinum button with Ag/AgCl reference
1 point
100 m
2 years for pH/ORP sensor
1 year for pH/ORP sensor module
Dissolved Oxygen
Optical luminescence – lifetime method
1 or 2 point
100 m
2 years for optical DO sensor
1 year for optical DO sensor cap
Barometer
–
1 point
–
3 years, integrated into ProDSS handheld
Conductivity
Four nickel electrode cell
1 point
100 m
2 years for conductivity/temperature sensor
Specific Conductance*
Calculated from conductivity & temperature
–
–
1 point
Salinity*
Calculated from conductivity & temperature
1 point
–
–
Total Dissolved Solids (TDS)*
Calculated from specific conductance & a user selectable TDS multiplier (0.30 to 1.00; default 0.65)
–
–
–
Resistivity*
Calculated from conductivity & temperature
–
–
–
Seawater Density*
Sigma is calculated from salinity, temperature & pressure (depth)
Sigma T is calculated from salinity & temperature
–
–
–
Turbidity
Nephelometric – Optical, 90° scatter
1, 2, or 3 point
–
2 years for turbidity sensor
Total Suspended Solids(TSS)*
User correlated from turbidity field measurements & lab TSS measurements from grab samples
–
–
–
Ammonium**
Ion selective electrode
1, 2, or 3 point
20 m
2 years for ammonium sensor
6 months for ammonium sensor module
Ammonia*
Calculated from ammonium, temperature, salinity & pH
–
–
–
Chloride**
Ion selective electrode
1, 2, or 3 point
20 m
2 years for chloride sensor
6 months for chloride sensor module
Nitrate**
Ion selective electrode
1, 2, or 3 point
20 m
2 years for nitrate sensor
6 months for nitrate sensor module
Depth
Pressure transducer
1 point
–
2 years, integrated into cable assembly
To view the Instrument, Sensor & Cable data please visit this page on a computer
