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    อุปกรณ์วัด pH (pH Meter for Education)

    HI 207

    pH Meter for Education
    With features such as a built-in beaker holder, beaker-top electrode holder and rugged, 2-in-1 pH and temperature sensor, the HI 207 is designed to meet busy classroom environments.

    This instrument also features an extended pH range, dual-level LCD with icons for stability and buffer recognition, automatic pH calibration, and temperature display in either Celsius or Fahrenheit. In addition, all readings are automatically compensated for temperature variations.

    In the classroom, this compact unit reduces clutter and utilizes a minimal amount of space on the desktop. Switch to battery power and the instrument can be taken outside the classroom for field studies. When lab time is over, the meter is easily cleaned and can be placed out of the way—right away.

    (*) The temperature range is limited to 80 °C (176 °F) if using the HI 1291D probe.


    Range  pH  -2.00 to 16.00 pH
    Temperature  -5.0 to 105.0°C or 23.0 to 221.0°F
    Resolution  pH  0.01 pH
    Temperature  0.1°C or 0.1°F
    Accuracy  pH  ±0.02 pH
    ±0.5 (up to 60°C); ±1°C (outside)
    ±1°F (up to 140°F); ±2°F (outside)
    Calibration  pH  Automatic 1 or 2 points with 2 sets of memorized buffers (4.01, 7.01, 10.01 or 4.01, 6.86, 9.18)
    Compensation  Automatic
    pH Electrode  HI 1291D with built-in temperature probe (included)
    Power Supply  12 VDC adapter (included)
    Battery Type / Life  9V / approximately 500 hours of continuous use
    Environment  0 to 50°C (32 to 122°F) 95% RH
    Dimensions  192 x 104 x 134 mm (7.5 x 4.1 x 5.3’’)
    Weight  420 g (14.8 oz.)


    HI 5004L  pH 4.01 buffer solution
    HI 5007L  pH 7.01 buffer solution
    HI 5010L  pH 10.01 buffer solution
    HI 7061L  General Purpose Cleaning Solution
    1 x 500 mL bottle
    HI 70300L  Electrode Storage Solution
    1 x 500 mL bottle
    HI 740036P  Plastic Beaker Set, 100 mL
    HI 731316  Magnetic Stir Bars for Mini Titrators & HI 208

  • 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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