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Water Quality

These water quality instruments can test for, measure, monitor and record a variety of parameters both in the lab and in the field. Choose from colorimeters, conductivity meters, dissolved oxygen meters, fluorometers, ISE meters, pH meters, refractometers, spectrophotometers, turbidity meters and more. For an extended deployment, a multi-parameter sonde with a choice of sensors will log an array of data.

Water Quality
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  • Water Quality

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  1. YSI EXO Optical Dissolved Oxygen Sensor
    YSI EXO Optical Dissolved Oxygen Sensor
    Quote
  2. YSI EXO Turbidity Sensor
    YSI EXO Turbidity Sensor
    Quote
  3. YSI EXO Total Algae Sensor
    YSI EXO Total Algae Sensor
    Quote
  4. YSI EXO3 Multi-Parameter Water Quality Sonde
    YSI EXO3 Multi-Parameter Water Quality Sonde
    Quote
  5. YSI EXO Wiped Conductivity & Temperature Sensor
    YSI EXO Wiped Conductivity & Temperature Sensor
    Quote
  6. YSI 6150 ROX Dissolved Oxygen Sensor
    YSI 6150 ROX Dissolved Oxygen Sensor
    Quote
  7. YSI EXO Central Wiper
    YSI EXO Central Wiper
    Quote
  8. YSI EXO2 Multi-Parameter Water Quality Sonde
    YSI EXO2 Multi-Parameter Water Quality Sonde
    Quote
  9. SonTek CastAway-CTD
    SonTek CastAway-CTD
    $6,365.00
  10. PME miniDOT Dissolved Oxygen Logger
    PME miniDOT Dissolved Oxygen Logger
    Check Price
  11. Solinst LTC Levelogger Edge Water Level & Conductivity Logger
    Solinst LTC Levelogger Edge Water Level & Conductivity Logger
    Quote
  12. YSI ProDSS Optical Dissolved Oxygen Sensor
    YSI ProDSS Optical Dissolved Oxygen Sensor
    $950.00
  13. YSI ProDSS Multi-Parameter Water Quality Meter
    YSI ProDSS Multi-Parameter Water Quality Meter
    $1,598.85
  14. YSI 6136 Turbidity Sensor
    YSI 6136 Turbidity Sensor
    Quote
  15. YSI ProDSS Conductivity & Temperature Sensor
    YSI ProDSS Conductivity & Temperature Sensor
    $665.00
  16. NexSens TS210 Thermistor String
    NexSens TS210 Thermistor String
    $305.00
  17. YSI EXO Handheld Display
    YSI EXO Handheld Display
    Quote
  18. YSI ProDSS Turbidity Sensor
    YSI ProDSS Turbidity Sensor
    $1,045.00
  19. NexSens T-Node FR Thermistor String
    NexSens T-Node FR Thermistor String
    $295.00
  20. Hach 2100Q Portable Turbidity Meter
    Hach 2100Q Portable Turbidity Meter
    $1,396.00
  21. YSI 600OMS V2 Optical Monitoring Sonde
    YSI 600OMS V2 Optical Monitoring Sonde
    Quote
  22. YSI EXO Conductivity & Temperature Sensor
    YSI EXO Conductivity & Temperature Sensor
    Quote
  23. NexSens M550 1-3NM Solar Marine Light
    NexSens M550 1-3NM Solar Marine Light
    $595.00
  24. Van Essen CTD-Diver Water Level & Conductivity Loggers
    Van Essen CTD-Diver Water Level & Conductivity Loggers
    $1,995.00
  25. PME miniPAR Logger
    PME miniPAR Logger
    Check Price
  26. YSI EXO Optical Dissolved Oxygen Sensor Cap
    YSI EXO Optical Dissolved Oxygen Sensor Cap
    $199.00
  27. YSI 6-Series Sonde Tune-Up Service
    YSI 6-Series Sonde Tune-Up Service
    $199.00
  28. YSI EXO1 Multi-Parameter Water Quality Sonde
    YSI EXO1 Multi-Parameter Water Quality Sonde
    Quote
  29. YSI 1001 pH (ISE) Sensor
    YSI 1001 pH (ISE) Sensor
    $174.80
  30. YSI ProDSS Total Algae Sensor
    YSI ProDSS Total Algae Sensor
    $3,040.00
  31. YSI EXO Unguarded pH Sensor Replacement Module
    YSI EXO Unguarded pH Sensor Replacement Module
    $175.00
  32. YSI 6560 Temperature/Conductivity Sensor
    YSI 6560 Temperature/Conductivity Sensor
    Quote
  33. YSI EXO Unguarded pH Sensor
    YSI EXO Unguarded pH Sensor
    Quote
  34. YSI 6589FR Fast Response pH Sensor
    YSI 6589 Fast-Response pH Sensor
    Quote
  35. NexSens UW Cable Connectorization
    NexSens UW Cable Connectorization
    $195.00
  36. YSI 6561 pH Sensor
    YSI 6561 pH Sensor
    Quote
  37. Global Water WE700/WQ101 Temperature Sensor
    Global Water WE700/WQ101 Temperature Sensor
    $399.95
  38. YSI EXO Sonde Tune-Up Service
    YSI EXO Sonde Tune-Up Service
    $199.00
  39. Sequoia LISST-AOBS Super-Turbidity Sensor
    Sequoia LISST-AOBS Super-Turbidity Sensor
    $10,075.00
  40. Hach DR 900 Multi-Parameter Handheld Colorimeter
    Hach DR 900 Multi-Parameter Handheld Colorimeter
    $1,527.00
  41. YSI 6025 Chlorophyll Sensor
    YSI 6025 Chlorophyll Sensor
    Quote
  42. YSI Professional Series Meter Tune-Up Service
    YSI Professional Series Meter Tune-Up Service
    $149.00
  43. YSI ProDSS pH Sensor
    YSI ProDSS pH Sensor
    $427.50
  44. YSI 2003 Polarographic Dissolved Oxygen Sensor
    YSI 2003 Polarographic Dissolved Oxygen Sensor
    $184.30
  45. YSI EXO fDOM Sensor
    YSI EXO fDOM Sensor
    Quote
  46. YSI 5565 pH/ORP Sensor
    YSI 5565 pH/ORP Sensor
    $390.45
  47. NexSens Thermistor String Mooring Clamp Kit
    NexSens Thermistor String Mooring Clamp Kit
    $60.00
  48. YSI 6155 Optical DO Membrane Kit
    YSI 6155 Optical DO Membrane Kit
    $180.00

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  1. Accessories 252 items
  2. Anti-Fouling 54 items
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  4. BOD Probes 14 items
  5. Cable Assemblies 143 items
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  7. Colorimeters 18 items
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  9. Conductivity Electrodes 62 items
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  12. Dissolved Oxygen Meters 72 items
  13. Dissolved Oxygen Sensors 41 items
  14. DO Membranes 33 items
  15. Economy Meters 54 items
  16. Electrode Fill Solutions 43 items
  17. Field Meters 49 items
  18. Flow Cells 24 items
  19. Fluorometers 43 items
  20. Fluorometry Standards 18 items
  21. Ion Selective Electrodes 97 items
  22. Ionic Strength Adjuster 26 items
  23. ISE Meters 36 items
  24. ISE Standards 101 items
  25. Microbiological Chemicals 66 items
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  28. ORP Electrodes 41 items
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  30. PAR Sensors 5 items
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  40. Spectrophotometers 2 items
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  44. Turbidity Meters 10 items
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