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    อุปกรณ์วัด ISE (ISE Potassium Meter)

    HI 84181

    ISE Potassium Meter
    The HI 84181 is a low cost, easy to use, potassium ISE meter that performs automatic analysis using an ISE electrode.

    The instrument comes with a powerful built-in algorithm to analyze the shape of the ISE electrode response and to determine the reaction completion. The method used is the double standard addition which is a simple and rapid method of analysis.

    By simply pressing the start key, the instrument guides the user and performs an automatic analysis with all the necessary calculations and verifications. The result is immediately displayed in g/L K+ (ppt), after which the HI 84181 is ready for another measurement.

    Significance of Use

    Potassium ions (K+) are absorbed by the vine from soil. Unlike other essential nutrients potassium remains in ionic form and passes to the grapes. Potassium ions are by far the most important ions that can be found in wine with concentrations between 0.7-2 g/L (ppt) and is mostly deriving from grapes. Potassium ions greatly influence the taste of wine. With its absence wine will have a sour taste.

    The alcohol content and low temperatures can cause potassium to precipitate as potassium bitartrate. Red wines have an increased content of potassium compared to white wines because the phenols found in red wine inhibit the precipitation of potassium bitartrate.


    Range  0.0 to 5.0 g/L (ppt) K+
    Resolution  0.1 g/L (ppt) K+
    Accuracy  ±5% of reading (Above 2.5 g/L the instrument provides information about the approximate potassium content.)
    Sample volume  50 mL
    Temperature Compensation  Automatic from 0 to 80 °C
    HI 61014 potassium half cell with BNC connector and 1 m (3.3’) cable
    HI 5315 reference half cell with BNC connector and 1 m (3.3’) cable
    Temperature Probe  HI 7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
    Logging Feature  50 samples
    Stirring Speed  500 rpm
    Environment  0 to 50 °C (32 to 122 °F); max 95% RH non-condensing
    Power supply  220V/50Hz; 10VA
    Dimensions  208 x 214 x 163 mm (8.2 x 8.4 x 6.4″) (with beaker)
    Weight  2200 g (77.6 oz.)


    HI 61014  Potassium half cell
    HI 5315  Reference Electrode for ISE Half-Cells
    HI 740036P  Plastic Beaker Set, 100 mL
    HI 731342  2000 µL Graduated Pipette
    HI 731352  Plastic Tip Set for 2000 µL Graduated Pipette
    HI 740143  Graduated Syringe Set (6), 1 mL
    Reagents & Standards
    HI 84100-20  Reagent
    HI 84181-0  ISA solution for potassium
    HI 84181-1  Standard solution No.1 for potassium
    HI 84181-2  Standard solution No.2 for potassium

  • Requesting a Quotation and Ordering Products

    131 Thailand Science Park. Innovation Cluster 1 Building,

    Klong 1, Klong Luang, Pathumthani 12120 Thailand. 

    Tel.  02-191-3928 Fax 02-191-3929

    For more information please contact 081-847-6768 (Ms. Nareerat) IDLine: @alltestkit

    E-mail :


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