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    อุปกรณ์วัด pH (pH meter for direct measurement of the pH of the soil)

    HI 99121
    pH meter for direct measurement of the pH of the soil

    HI 99121 is designed to measure the pH of the soil in agriculture. Thanks to HI 99121 is in fact can either proceed to the direct measurement of the pH in the soil, both measure a solution prepared with a sample of the soil itself. The instrument is supplied with all necessary accessories for both procedures of measurement: for the direct measurement, we practice first a hole in the ground using the proper drill included, you insert the electrode and the measurement is taken, taking care to moisten the land should this be too dry. For more accurate results or in soils with the presence of stones that may damage the electrode, you can instead prepare a sample with the ground and the solution HI 7051M provided, let stand a few minutes and then proceed to the measure. HI 99121 is a tool technologically advanced, but very easy to use. Provides on the display simultaneously the reading of pH and the temperature. The glass electrode supplied with HI 1292D, with integrated temperature sensor, is designed to give the best results as far as soil pH and substrates used in greenhouses and nurseries.

    SPECIFICATIONS HI ​​99121

    Parameter
    PH scale -2.00 to 16.00 pH
    Resolution pH 0.01 pH
    Accuracy pH (at 20 ° C) ± 0.02 pH
    Scale temperature -5.0 to 105.0 ° C / 23.0 to 221.0 ° F
    Temperature resolution 0.1 ° C / 0.1 ° F
    Accuracy at 20 ° C temperature ± 0.5 ° C (-5.0 to 60.0 ° C) ± 1.0 ° C (over) / ± 1.0 ° F (23.0 to 140.0 ° F) ± 2.0 ° F (outside)
    Calibration Automatic 1 or 2 points with 2 sets of memorized buffers (pH 4.01/7.01/10.01 or pH 4.01/6.89/9.18)
    Temperature Compensation Automatic -5.0 to 105.0 ° C
    PH electrode HI 1292D, with internal temperature sensor, refillable, glass body, DIN connector, 1 m cable (included)
    Supply 3 x 1.5V AAA / approximately 1200 hours of continuous use, automatic shut-off after 8 minutes of inactivity
    Terms of use from 0 to 50 ° C; RH max 100%
    Dimensions and weight 152 x 58 x 30 mm / 205 g

    Accessories HI 99121

    HI 1292D Refillable pH electrode to measure soil, with conical tip, 3 porous plugs, internal temperature sensor, DIN connector, HI 99121
    HI 70004P Solution pH 4, 25 sachets of 20 ml
    HI 70007P Solution pH 7.01, 25 sachets of 20 ml
    HI 7004L Solution pH 4.01, 500 mL
    HI 700663P Cleaning Solution for agriculture (soil deposits), 25 sachets of 20 ml
    HI 700664P Cleaning Solution for Agriculture (humus deposits), 25 sachets of 20 ml
    HI 7007L Solution pH 7.01, 500 mL
    HI 7051M Potting soil preparation solution, 230 mL bottle
    HI 7071 Electrolyte solution 3.5 M KCl + AgCl (4×30 ml)
    HI 710023 Protective rubber boot orange instrument type HI 991001N
    HI 710024 Protective rubber boot blue instrument type HI 991001N
    HI 721312 Hard case for instrument type HI 991001, size 340 x 230 x 90 mm
    HI 721319 Perforation ground

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    โทร. 081-847-6768, 02-191-3928 แฟ็กซ์. 02-191-3929 


    คุณโทณิวัฒน์ 085-811-4779 , คุณนารีรัตน์ 085-814-9653

    E-mail : info@highents.com , IDline: @alltestkit

     

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