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    อุปกรณ์วัด ออกซิเจนละลาย (COD Portable Dissolved Oxygen Meter)

    HI 9146

    Portable Dissolved Oxygen Meter

    HI 9146 is a water-resistant, dissolved oxygen meter that measures up to 300% saturation or 45 ppm (mg/L) with temperature compensation and automatic calibration. It has been developed for DO and temperature measurement in water, wastewater, wine and applications such as fish farming.

    This instrument also allows altitude compensation up to 4000 m and the ppm and % saturation are both compensated for changes in solubility of oxygen in water and for permeability of the membrane as well as the temperature effect.

    The included polarographic probe features built-in temperature compensation and removable protective membrane cover.


    Range O2 0.00 to 45.00 mg/L
    Range % Saturation O2 0.0 to 300.0%
    Range Temperature 0.0 to 50.0°C
    Resolution O2 0.01 mg/L
    Resolution % Saturation O2 0.1%
    Resolution Temperature 0.1°C
    Accuracy O2 ±1.5% F.S.
    Accuracy % Saturation O2 ±1.5% F.S.
    Accuracy Temperature 0.5°C
    Calibration   automatic, in air, at 100%
    Temperature Compensation   automatic, 0 to 50°C (32 to 122°F)
    Altitude Compensation   0 to 1900 m (100 m 326′ resolution)
    Salinity Compensation   0 to 40 g/L (1g/L resolution)
    Probe   HI 76407/4F with 4 m cable
    Power Supply   4 x 1.5 AA batteries / approx. 200 hours of continuous use;
    auto-off after 4 hours of inactivity; or input for 12 Vdc power adapter
    Environment   0 to 50°C (32 to 122°F); RH max 100%
    Dimensions   196 x 80 x 60 mm (7.7 x 3.1 x 2.4″)
    Weight   500 g (1.1 lb.)

    HI 76407/4F DO Probe with Protective Sleeve, 4 m cable
    HI 76407/10F DO Probe with Protective Sleeve, 10 m cable
    HI 7040L Zero Oxygen Solution
    HI 7041M Refilling Electrolyte Solution, 230 mL
    HI 7041L Refilling Electrolyte Solution, 500 mL
    HI 7041S Refilling Electrolyte Solution, 30 mL
    HI 76407A/P Membranes for DO Probes

  • 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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