
600OMS V2
Single-Parameter, Low-Cost Optical Monitoring System
Measure optical dissolved oxygen, chlorophyll, blue-green algae, rhodamine, or turbidity in combination with temperature, conductivity and depth. Designed for use in fresh, sea or polluted waters, the 600OMS V2 data sonde utilizes the field-proven YSI sensors and incorporates innovations in water quality sensor configuration such as a conductivity and temperature module that fits into the sonde body.

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Designed for use in fresh, sea or polluted waters, the 600OMS V2 utilizes the field-proven YSI sensors and incorporates innovations in sensor configuration such as a conductivity and temperature module that fits into the sonde body.
Parameters available for the 600OMS V2 include:
The 600OMS V2 is available with or without internal power. Its small size is perfect for applications such as turbidity or oxygen monitoring.
Features:
Extend deployment intervals by 3 times or more with Anti-Fouling Kits
You can rely on the accuracy and reliability of YSI's sensor technology-the performance of select sensors on the 600OMS V2 have been ETV Verified.*
Related Products |
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EXO1 Water Quality Sonde |
EXO2 Water Quality Sonde |
EXO Handheld |
Multiparameter Sondes |
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6600V2 |
6920 V2 |
6820 V2 |
600XL V2 and 600XLM V2 |
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600LS |
EcoNet |
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YSI 600OMS Sonde Specifications
| Medium | Fresh, sea or polluted water | |
| Temperature | Operating Storage |
-5 to +50°C -10 to +60°C |
| Communications | RS-232, SDI-12 | |
| Software | EcoWatch® | |
| Dimensions | Diameter Length Weight Weight with Batteries |
1.65 in, 4.2 cm 21.3 in, 54.1 cm 1.3 lbs, 0.6 kg 1.4 lbs, 0.7 kg |
| Power |
External |
12 V DC 4 AA Alkaline cells, 25 to 30 days at 15 minute sampling interval at 25°C |
| Certifications |
CE, EU Battery Compliance, FCC, IP-67, WEEE, and MCERTS |
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YSI 600OMS 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 |
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| 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 |
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| Conductivity•• | 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 |
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| Temperature | -5 to +50°C | 0.01°C | ±0.15°C | |
| Depth | Medium Shallow Vented Level |
0 to 200 ft, 61 m 0 to 30 ft, 9.1 m 0 to 30 ft, 9.1 m |
0.001 ft, 0.001 m 0.001 ft, 0.001 m 0.001 ft, 0.001 m |
±0.4 ft, ±0.12 m ±0.06 ft, ±0.02 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** |
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| Rhodamine• | 0-200 μg/L | 0.1 μg/L | ±5% reading or 1 μg/L, whichever is greater |
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| • Maximum depth rating for optical probes is 200 feet, 61 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). |
**In YSI AMCO-AEPA Polymer Standards. | |||
| 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 all optical probes is 200 feet, 61 m. Also available in a Deep Depth option (0 to 200 m). RFU = Relative Fluorescence Units |
† Explanation of Ranges can be found in the ‘Principles of Operation’ section of the 6-Series Manual, Rev D. | § Estimated from cultures of Microcystis aeruginosa. §§ Estimated from cultures Synechococcus sp. §§§ Determined from cultures of Isochrysis sp. and chlorophyll a concentration determined via extractions. |
**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). |
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| *Sensors with listed with ETV logo were submitted to the 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 |
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Ordering Information
| Item # | Description |
| 600-01 | 600OMS V2 sonde, conductivity, temperature, optical port |
| 600-02 | 600OMS V2 sonde, conductivity, temperature, optical port, internal batteries |
| 600-03 | 600OMS V2 sonde, conductivity, temperature, optical port, shallow depth |
| 600-04 | 600OMS V2 sonde, conductivity, temperature, optical port, shallow depth, internal batteries |
| 600-05 | 600OMS V2 sonde, conductivity, temperature, optical port, medium depth |
| 600-06 | 600OMS V2 sonde, conductivity, temperature, optical port, medium depth, internal batteries |
| 600-07 | 600OMS V2 sonde, conductivity, temperature, optical port, shallow vented depth |
| 600-08 | 600OMS V2 sonde, conductivity, temperature, optical port, shallow vented depth, internal batteries |
6-Series Sonde Quick Start Guide
6-Series Multiparameter Water Quality Sondes User Manual
6-Series Sonde Calibration, Maintenance & Troubleshooting Tips
Sonde Connector & Cable Field Reconditioning Procedure
Recommended Procedures for Use of YSI Water Quality Monitoring Instruments during Oil Spills
YSI 6131 and 6132 Blue-Green Algae Sensors
YSI ROX Optical Dissolved Oxygen Sensor
600OMS V2 Optical Monitoring System Specifications
Wastewater - Water Quality Capabilities & Solutions
Monitoring Systems that Deliver Better Results from YSI Integrated Systems
Dissolved Oxygen Case Studies & Solutions
Source Water Monitoring - Applications, Capabilities & Solutions
6-Series Multiparameter Water Quality Sondes
Français - Sondes multiparamètres série 6 surveillance des eaux
Deutsch - 6-Serie Multiparameter Wasserqualitäts-Messsonden
Japanese - YSI 6シリーズ 多項目水質モニター
6-Series Anti-Fouling Kits Prevent Biofouling, Extend Long-Term Deployments
Students Monitor Harlem River Water Quality and Air Quality, Seek Solutions
YSI 600OMS used to Protect Lake Oconee, Georgia Water Quality
Connecting 6-series Sondes to a PC via USB
Deployment and Data Quality Assurance Tips
General O-Ring Care and Maintenance
Care, Maintenance, and Storage of YSI 6-Series Probes and Sondes
YSI Instruments EPA Compliance Guide
YSI's Mike Lizotte and Tom Moeggenberg present a free, informative webinar about making accurate turbidity measurements in marine and fresh waters.
Topics include:
• YSI Turbidity Sensor Technology
• Choosing the right calibration standard
• Turbidity probe calibration procedures, and the use of offsets
• Best practices for long-term measurements
• Anti-fouling techniques
• Post-calibration techniques for sampling and long-term studies
• Q&A
Who should listen:
• Those using submersible field sensors for water quality sampling and monitoring
• Those measuring turbidity for storm water, construction run-off, flood events, TMDLs or other water quality concerns
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063018 Sonde Weight, SmallReplacement weight for 600 sondes. |
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063019 Sonde Weight, MediumReplacement weight for 600 sondes. |
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063020 Sonde Weight, LargeReplacement weight for 600 sondes. |
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202350 PACS-1 Power and Communication SystemGet Water Data with Bluetooth® Wireless Technology and Solar Power. The YSI Power and Communication System (PACS) supplies continuous power to submerged water instrumentation and enables wireless communication with the instrumentation. |
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3824 Assorted pH Buffers CaseVarious pH buffers for pH probe calibration. |
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5580 Confidence Solution®Never worry about the accuracy of your pH, ORP, or conductivity data again! Ensure probe performance with the 5580 Confidence Solution®. |
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6-Series Field CablesRugged cables designed for field use with 6-series sondes. |
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6025 Chlorophyll Sensor (6-Series)Determine phytoplankton concentrations by detecting the fluorescence from chlorophyll in situ. |
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6067B Adapter CablesYSI 6-series sonde to RS-232 adapter. Indoor-use only. |
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6095B Adapter CableYSI 6-series field cable to RS-232 adapter. |
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6112 PC Interface Cable for 650MDSMS-8 to pc serial port connector for 650MDS. |
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6130 Rhodamine Sensor (6-Series)Detect accurate, in situ trace dye levels with the 6130 Rhodamine Sensor. |
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6131 and 6132 Blue-Green Algae Sensors (6-Series)Measure in situ blue-green algae levels in salt- or fresh-water with YSI 6131 and 6132 optical blue-green algae sensors. |
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6136 Turbidity Sensor (6-Series)Collect accurate, in situ measurement of turbidity in fresh, brackish, and sea water. |
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6144 Wiper Pads for Optical SensorsWiper pad kit for 6-series optical DO, BGA, turbidity, chlorophyll, and rhodamine probes. |
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6150 ROX ® Optical Dissolved Oxygen Sensor (6-Series)Rugged and reliable optical dissolved oxygen sensor used with 6-Series water quality sondes. |
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6155 Membrane Kit for ROX Optical DO SensorReplacement membrane kit for 6150 ROX optical dissolved oxygen sensor (6-series sondes). |
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6182 Zinc Anode KitA zinc "sacrificial" anode minimizes corrosion damage to metallic parts of the sonde, namely its stainless steel connector. |
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6425 Anti-fouling Optical Chlorophyll Sensor (6-Series)Copper-alloy anti-fouling optical chlorophyll sensor used with 6-Series sondes. |
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6431 and 6432 Anti-fouling Optical Blue-Green Algae Sensors (6-Series)Copper-alloy anti-fouling optical blue-green algae sensor used with 6-Series sondes. |
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6436 Anti-fouling Optical Turbidity Sensor (6-Series)Copper-alloy anti-fouling optical turbidity sensor used with 6-Series sondes. |
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6450 Anti-fouling ROX ® Optical Dissolved Oxygen Sensor (6-Series)Copper-alloy anti-fouling optical dissolved oxygen sensor used with 6-Series sondes. |
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6560 Conductivity/Temperature ProbeStable multi-probe measures conductivity and temperature levels and calculates salinity values. Thermistor readings are used to temperature-correct other parameter measurements. |
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6570 Sonde Maintenance KitBasic maintenance kit for all YSI 6-Series sondes except the 600R and 600QS. |
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6624 Wiper Kit for Chlorophyll and Rhodamine SensorsReplacement wipers for 6-series 6025 Chlorophyll probe or 6130 Rhodamine WT probe. |
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6625 Wiper Kit for Optical DO, BGA, Turbidity SensorsReplacement wiper kit for the 6150 optical dissolved oxygen probe; 6131 and 6132 blue-green algae probes; or 6136 turbidity probe. |
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6625AF Anti-fouling Wiper Kit for Optical DO, BGA, Turbidity SensorsReplacement wiper kit (copper) for the 6150 optical dissolved oxygen probe; 6131 and 6132 blue-green algae probes; or 6136 turbidity probe. Use with firmware version 3.06 or higher. |
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6930 Rugged Carrying CaseA hard-sided carrying case ideal for all 6-Series sondes and systems. |
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Anti-fouling C-Spray Protective Probe SolutionC-Spray is a unique nanopolymer coating that inhibits biofouling attachment on the YSI 6560 Conductivity/Temperature Probe and other sensors and water quality instruments. |
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Anti-fouling Copper TapeCopper tape for YSI water quality sondes and sensors provides biofouling protection and extends deployment lengths. |
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Anti-fouling Sensor Port PlugsCopper-alloy port plugs protect unused sensor ports on YSI 6-Series sondes and provide anti-fouling protection. |
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Anti-fouling Sensor ScreenCopper-mesh screens block organisms and provide biofouling protection for the 6560 Conductivity-Temperature probe and non-wiped pH probes. |
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Anti-fouling Sonde GuardsCopper-alloy sonde guards protect water quality sensors and provide biofouling protection for YSI 6-Series Sondes. |
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Conductivity Calibration SolutionsNIST-traceable conductivity solutions to calibrate both field instruments and lab instruments and cells together for maximum |
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Locking Well CapLocking well cap for 2 or 4 inch wells. |
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pH Sensors (6-Series)Simple, accurate pH measurement in sensors designed for minimal maintenance in sampling, profiling, and long-term monitoring applications. |
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Sensor Adapter KitExpand your water quality monitoring to include hydrocarbons, oil, or CDOM with the YSI Sensor Adapter and Turner Cyclops-7 submersible sensors. The YSI 202400 Sensor Adapter expands water quality monitoring to include third-party analog output sensors. In addition to monitoring for Temperature, Conductivity, pH, Dissolved Oxygen, Turbidity, Blue-Green Algae, and Chlorophyll, 6-Series sondes can measure hydrocarbons, oil in water, and other parameters from the Turner Cyclops-7® submersible sensor line. |
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Turbidity Calibration SolutionsYSI turbidity solutions calibrate your instruments for maximum accuracy. Extremely accurate and stable solutions. |
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