Conductivity, Salinity

Meters and kits to measure conductivity/salinity in water.

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  1. Salinity Refractometer

    Salinity Refractometer

    $47.19

    Here's an automatic, temperature-compensated salinity refractometer. It's the low-cost alternative to the SR6.

    It has automatic temperature correction from 50–86ºF (10–30ºC) and a dual scale reading 0–100 ppt and 1.000–1.070 specific gravity. Each refractometer is tested to ensure an accurate instrument, even at this low price. Six-month warranty. Weighs .6 lb. Made in China. Learn More
  2. Vital Sine™ Salinity Refractometer

    Vital Sine™ Salinity Refractometer

    $142.29

    • Largest and sharpest scale display available.
    • Calibration ring for simplified calibration.

    Our SR6 salinity refractometer features a magnified scale for better visual accuracy. Other features include solid aluminum construction, a rubber-gripped body and temperature compensation between 10 and 30ºC (50–86ºF).

    To calibrate, simply loosen the handset screw, place a few drops of water on the prism, turn the calibration ring until the shadowline is at zero and secure the set screw—that's it!

    Refractometer reads specific gravity (1.000 to 1.070) and salinity in parts per thousand (0–100 in 1 ppt divisions). Includes a black vinyl zip case, transfer pipette and cleaning cloth. This is one of the highest quality refractometers we have found on the market. Measures 1 1/2" D x 7" L (4 x 18 cm), weighs .6 lb (285 g). One-year warranty.

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  3. Pinpoint® Conductivity Meter

    Pinpoint® Conductivity Meter

    $131.29

    If you need to measure freshwater conductivity in S, this low-cost, two-range meter is an excellent choice. This scale is typically used for fresh water and low concentrations of salt. The LED reads in two ranges at the flip of a switch.

    Measures from 0–2,000 S or 0–20,000 S. 3' cable, 5" L x 3" W, weighs only 7 oz. Runs on 9V battery (included). Accurate to 4% of reading. Two-year warranty. Calibration solutions sold separately.

     

    Pinpoint® is a registered trademark of Dell Technology DBA American Marine, Inc. 

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  4. Pinpoint® Salinity Meter

    Pinpoint® Salinity Meter

    $141.79

    This salinity meter measures conductivity, giving a digital readout in mS (millisiemens). The table included will give the corresponding reading in both specific gravity and salinity to 62 ppt.

    This meter is temperature compensated for accuracy of 4%.

    • Includes probe, 3' cable, calibrating solution and 9V battery
    • Not waterproof nor water-resistant

    Pinpoint® is a registered trademark of Dell Technology DBA American Marine, Inc. 

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  5. EXSTIK II® pH/Conductivity/Total Dissolved Solids/Salinity Pen

    EXSTIK II® pH/Conductivity/Total Dissolved Solids/Salinity Pen

    From: $12.89

    To: $252.97

    The EXSTIK II® pen-style meter measures pH, conductivity, total dissolved solids and salinity.

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  6. YSI® Pro30 Conductivity/TDS/Salinity/Temperature Meter

    YSI® Pro30 Conductivity/TDS/Salinity/Temperature Meter

    From: $19.99

    To: $1,135.97

    The YSI Pro30 is ideal in any field application for the measurement of conductivity, salinity, TDS (total dissolved solids), and temperature.

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  7. EcoSense EC300A Conductivity Meter

    EcoSense EC300A Conductivity Meter

    From: $19.99

    To: $1,170.96

    The EcoSense® EC300A offers convenient conductivity, specific conductance, salinity, total dissolved solids and temperature for true field applications. Learn More
  8. Conductivity Calibration Solutions

    Conductivity Calibration Solutions

    From: $19.99

    To: $20.99

    NIST-traceable conductivity solutions to calibrate both field instruments and lab instruments and cells together for maximum accuracy. 1 pint bottles. Learn More
  9. Calibration Solutions

    Calibration Solutions

    From: $9.19

    To: $68.36

    The easiest way to calibrate a pen or meter in the field

    Milwaukee standard calibration solutions are available in 230-mL bottles and 20-mL sachets. Traditional buffer solutions are packed in 230-mL leak-proof bottles and are recommended for lab application. Sachets are sealed against light and air and are ideal for on-the-spot calibration. Simply open, insert the tester or electrode into the sachet and calibrate. Sachets are sold in boxes of 25 pieces.

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  10. Pro2030 Dissolved Oxygen, Conductivity, Salinity, TDS, Temp Instrument

    Pro2030 Dissolved Oxygen, Conductivity, Salinity, TDS, Temp Instrument

    From: $179.99

    To: $1,769.97

    The YSI Pro2030 provides everything you need in a handheld dissolved oxygen instrument with conductivity. Automatically compensates D.O. readings for changes in salinity. Userreplaceable D.O. sensors and cables, 50 data set memory and simple D.O. calibration make the Pro2030 user-friendly. Rugged design and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. Fast response times allow you to complete your sampling routine quickly, saving time and money. Instrument has three-year warranty; two years for cable.

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