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We are closely monitoring the developments of COVID-19. During this time we remain open and continue to ship. We fully support First Responders, Municipalities, all Armed Forces and most importantly the Medical Industry.
We are closely monitoring the developments of COVID-19. During this time we remain open and continue to ship. We fully support First Responders, Municipalities, all Armed Forces and most importantly the Medical Industry.

Top Sellers

  • Solinst Model 101 P7 Water Level Meter Series (100 to 2000 feet)
    Sale
    from $479.99

    Solinst Model 101 P7 Water Level Meter Series (100 to 2000 feet)

    Solnist

      The Solinst Model 101 P7 Water Level Meter with Laser Marked Tape is used for accurately measuring the depth of water in wells, boreholes, stand...

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  • HORIBA LAQUAtwin CA-11 Compact Calcium Ion Meter
    Save 18%
    Original price $400.00
    Current price $329.95

    HORIBA LAQUAtwin CA-11 Compact Calcium Ion Meter

    Horiba

    The only pocket meter that directly measures calcium ion concentration in 0.3ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allo...

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  • HORIBA LAQUAtwin Compact Salt-22  Ion Meter
    Save 11%
    Original price $350.00
    Current price $309.99

    HORIBA LAQUAtwin Compact Salt-22 Ion Meter

    Horiba

    The only pocket meter that directly measures salt ion concentration in 0.3ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allows ...

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  • HORIBA LAQUAtwin NO3-11 Compact Nitrate Ion Meter
    Sale
    from $299.99

    HORIBA LAQUAtwin NO3-11 Compact Nitrate Ion Meter

    Horiba

    Nitrate Meter Option Includes -  - Nitrate meter - Measurement range 6 to 9900 ppm   includes plastic box, syringue, 150 & 2000 ppm std solutio...

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  • HORIBA LAQUAtwin NA-11 Compact Sodium Ion Meter
    Save 17%
    Original price $360.00
    Current price $299.99

    HORIBA LAQUAtwin NA-11 Compact Sodium Ion Meter

    Horiba

    The only pocket meter that directly measures sodium ion concentration in 0.3ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allow...

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  • HORIBA LAQUAtwin K-11 Compact Potassium Ion Meter
    Save 17%
    Original price $360.00
    Current price $299.99

    HORIBA LAQUAtwin K-11 Compact Potassium Ion Meter

    Horiba

    The only pocket meter that directly measures potassium ion concentration in 0.3ml sample (or 0.05ml sample with sampling sheet B). The unique senso...

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  • [REFURBISHED] HORIBA LAQUAtwin CA-11 Compact Calcium Ion Meter
    Save 31%
    Original price $400.00
    Current price $275.70

    [REFURBISHED] HORIBA LAQUAtwin CA-11 Compact Calcium Ion Meter

    Horiba

    ITEM HAS BEEN TESTED AND IS IN WORKING CONDITION. ITEM MAY BE MISSING ORIGINAL PACKAGING. IN MOST CASES ITEM WAS RETURNED DUE TO USER ERROR. The on...

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  • [REFURBISHED] HORIBA LAQUAtwin K-11 Compact Potassium Ion Meter
    Save 31%
    Original price $360.00
    Current price $247.89

    [REFURBISHED] HORIBA LAQUAtwin K-11 Compact Potassium Ion Meter

    Horiba

    ITEM HAS BEEN TESTED AND IS IN WORKING CONDITION. ITEM MAY BE MISSING ORIGINAL PACKAGING. IN MOST CASES ITEM WAS RETURNED DUE TO USER ERROR. The on...

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  • [REFURBISHED] HORIBA LAQUAtwin NA-11 Compact Sodium Ion Meter
    Save 31%
    Original price $360.00
    Current price $247.89

    [REFURBISHED] HORIBA LAQUAtwin NA-11 Compact Sodium Ion Meter

    Horiba

    ITEM HAS BEEN TESTED AND IS IN WORKING CONDITION. ITEM MAY BE MISSING ORIGINAL PACKAGING. IN MOST CASES ITEM WAS RETURNED DUE TO USER ERROR. The on...

    View full details
  • [REFURBISHED] HORIBA LAQUAtwin Compact Salt-22  Ion Meter
    Sold out
    Original price $350.00
    Current price $240.99

    [REFURBISHED] HORIBA LAQUAtwin Compact Salt-22 Ion Meter

    Horiba

    ITEM HAS BEEN TESTED AND IS IN WORKING CONDITION. ITEM MAY BE MISSING ORIGINAL PACKAGING. IN MOST CASES ITEM WAS RETURNED DUE TO USER ERROR. The on...

    View full details
  • Oakton PCTSTestr 50 pH/Cond/TDS/Salinity Waterproof Pocket Tester
    Save 15%
    Original price $194.00
    Current price $164.99

    Oakton PCTSTestr 50 pH/Cond/TDS/Salinity Waterproof Pocket Tester

    Oakton

    Great for water, wastewater, laboratory or plant use, these multiparameter testers feature long-life pH electrodes with a wide range of sample comp...

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  • HORIBA LAQUAtwin pH-11 Compact pH Meter
    Save 13%
    Original price $120.00
    Current price $104.99

    HORIBA LAQUAtwin pH-11 Compact pH Meter

    Horiba

    The only pocket meter that directly measures pH in 0.1ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allows measurement of visco...

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  • Oakton pHTestr 30 Waterproof Pocket Tester
    Save 29%
    Original price $134.00
    Current price $94.99

    Oakton pHTestr 30 Waterproof Pocket Tester

    Oakton

    The Oakton Waterproof pHTestr® 30 is great for outdoor applications such as taking pH measurements in lakes and streams. Designed to float in water...

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  • HORIBA LAQUAtwin S010 Replacement pH Sensor
    Save 13%
    Original price $80.00
    Current price $69.99

    HORIBA LAQUAtwin S010 Replacement pH Sensor

    Horiba

    Replacement pH Sensor for the Horiba pH-11, pH-22, pH-33, B-713, and B-213 pH Meters   FEATURES AND BENEFITS Replacement sensor for LAQUAtwin B-71...

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