The YSI 6820 V2-2 is a cost-effective data sonde for profiling and spot-checking water quality in rivers, lakes, wetlands, wells, estuaries, and coastal waters.
Instrument only. Cables, probes/sensors, and accessories sold separately.
The V2 sondes represent a proven generation of multi-parameter sondes from YSI. Perfect for harsh fouling environments, YSI's optical sensors feature an integrated wiper that prevents the impacts of biofouling, a corrosion-resistant titanium wiper shaft, and replaceable seals.
The 6820 V2-2 comes standard with RS-232 and SDI-12 communications and easily interfaces with YSI EcoNet and other data collection platforms for long-term deployment, or a YSI 650 Multiparameter Display System for sampling. The 6820 V2-2 requires an external power source for unattended sampling.
Features:
The YSI 6820 V2-2 has the following available ports:
The 6820 V2-2 has:
Specification | |
---|---|
Medium | Fresh, sea or polluted water |
Temperature - Operating | -5 to +50°C |
Temperature - Storage | -10 to +60°C |
Communications | RS-232, SDI-12 |
Software | EcoWatch® |
Diameter | 2.86 in, 7.3 cm |
Length | 13.5 in, 34.3 cm |
Weight | 3.4 lbs, 1.5 kg |
Power - External | 12 V DC |
Certifications | CE, EU Battery Compliance, FCC, IP-67, WEEE, and MCERTS; Assembled in the USA |
Sensor Specifications | Range | Resolution | Accuracy |
---|---|---|---|
ROX™ Optical Dissolved Oxygen• % Saturation |
0 to 500% | 0.1% | 0 to 200%: ±1% of reading or 1% air saturation, whichever is greater; 200 to 500%: ±15% of reading |
ROX™ Optical Dissolved Oxygen• mg/L |
0 to 50 mg/L | 0.01 mg/L | 0 to 20 mg/L: ± 0.1 mg/L or 1% of reading, whichever is greater; 20 to 50 mg/L: ±15% of reading |
Conductivity•• 6560 Sensor‡ |
0 to 100 mS/cm | 0.001 to 0.1 mS/cm (range dependent) |
±0.5% of reading + 0.001 mS/cm |
Salinity | 0 to 70 ppt | 0.01 ppt | ±1% of reading or 0.1 ppt, whichever is greater |
Temperature 6560 Sensor‡ |
-5 to +50°C | 0.01°C | ±0.15°C |
pH 6561 Sensor‡ |
0 to 14 units | 0.01 unit | ±0.2 unit |
ORP | -999 to +999 mV | 0.1 mV | ±20 mV |
Depth - Deep | 0 to 656 ft, 200 m | 0.001 ft, 0.001 m | ±1 ft, ±0.3 m |
Depth - Medium | 0 to 200 ft, 61 m | 0.001 ft, 0.001 m | ±0.4 ft, ±0.12 m |
Depth - Shallow | 0 to 30 ft, 9.1 m | 0.001 ft, 0.001 m | ±0.06 ft, ±0.02 m |
Vented Level | 0 to 30 ft, 9.1 m | 0.001 ft, 0.001 m | ±0.01 ft, 0.003 m |
Turbidity• 6136 Sensor‡ |
0 to 1,000 NTU | 0.1 NTU | ±2% of reading or 0.3 NTU, whichever is greater** |
Nitrate / nitrogen••• | 0 to 200 mg/L-N | 0.001 to 1 mg/L-N (range dependent) |
±10% of reading or 2 mg/L, whichever is greater |
Ammonium / ammonia / nitrogen••• |
0 to 200 mg/L-N | 0.001 to 1 mg/L-N (range dependent) |
±10% of reading or 2 mg/L, whichever is greater |
Chloride••• | 0 to 1000 mg/L | 0.001 to 1 mg/L (range dependent) |
±15% of reading or 5 mg/L, whichever is greater |
Rhodamine• | 0-200 μg/L | 0.1 μg/L | ±5% reading or 1 μg/L, whichever is greater |
Blue-Green Algae Sensor Specifications | Range | Detection Limit | Resolution | Linearity |
---|---|---|---|---|
Blue-Green Algae Phycocyanin• |
~0 to 280,000 cells/mL† 0 to 100 RFU |
~220 cells/mL§ | 1 cell/mL 0.1 RFU |
R2 > 0.9999** |
Blue-Green Algae Phycoerythrin• |
~0 to 200,000 cells/mL† 0 to 100 RFU |
~450 cells/mL§§ | 1 cell/mL 0.1 RFU |
R2 > 0.9999*** |
Chlorophyll• 6025 Sensor‡ |
~0 to 400 μg/L 0 to 100 RFU |
~0.1 μg/L§§§ | 0.1 μg/L Chl 0.1% RFU |
R2 > 0.9999**** |
• Maximum depth rating for optical probes is 200 feet, 61 m. Turbidity, Rhodamine, Blue-Green Algae (PC & PE) and Chlorophyll are available in a Deep Depth option (0 to 200 m). Anti-fouling optical probes have depth rating of 200 m.
•• Report outputs of specific conductance (conductivity corrected to 25° C), resistivity, and total dissolved solids are also provided. These values are automatically calculated from conductivity according to algorithms found in Standard Methods for the Examination of Water and Wastewater (ed 1989).
••• Freshwater only. Maximum depth rating of 50 feet, 15.2 m. 600 V2-2 has 3 ISE ports; not available on the 6600V2-4.
*In YSI AMCO-AEPA Polymer Standards.
**For serial dilution of Rhodamine WT (0-400 ug/L).
***For serial dilution of Rhodamine WT (0-8 μg/L).
****For serial dilution of Rhodamine WT (0-500 ug/L).
RFU = Relative Fluorescence Units
† Explanation of Ranges can be found in the 'Principles of Operation' section of the 6-Series Manual, Rev D.
‡ Sensors with listed with ETV logo were submitted to the U.S. EPA ETV program on the YSI 6600EDS. Information on performance characteristics of YSI water quality sensors can be found at www.epa.gov/etv, or call YSI at 800.897.4151 800.897.4151 for the ETV verification report. Use of ETV name or logo does not imply approval or certification of this product nor does it make any explicit or implied warranties or guarantees as to product performance.
§ Estimated from cultures of Microcystis aeruginosa.
§§ Estimated from cultures Synechococcus sp.
§§§ Determined from cultures of Isochrysis sp. and chlorophyll a concentration determined via extractions.
Specifications indicate typical performance and are subject to change.
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