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    อุปกรณ์วัด pH (Gro’Chek pH and Temperature Monitor)

    HI 991401-01

    Gro’Chek pH and Temperature Monitor

    This indicator from HANNA has a large backlit LCD to give users instantaneous readings of both pH and temperature that can be easily read in dim light. The HI 991401-01 provides automatic calibration, automatic buffer selection and automatic temperature compensation.

    HI 991401-01’s waterproof housing has been designed to meet the growers’ need for an indictor that is well suited to withstand the aggressive environments found in agricultural and hydroponics applications. Measurements are highly accurate and can be verified with one or two point calibrations. With a 12 VDC power supply included with the meter, low battery failures are never an issue.

    The pH electrode has been specially designed to address the needs of growers. It’s design guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc. to ensure longer electrode life.


    Range  pH  0.0 to 14.0 pH
    Temperature  0.0 to 60.0°C (32 to 140°F)
    Resolution  pH  0.1 pH
    Temperature  0.1°C (0.1°F)
    Accuracy  pH  ±0.1 pH
    Temperature  ±0.5°C (±1°F)
    HI 1293D PEI body, pre-amplified pH electrode with 1/2” NPT pipe thread, DIN connector and 2 m (6.6’) cable (included); HI 1294 temperature probe with 1.2” NPT pipe thread and 2 m (6.6’) cable (fixed)
    pH Calibration  automatic, 1 or 2 points with 2 sets of memorized buffers
    (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
    Temperature Compensation  Automatic
    Input Impedance  1012 Ohm
    Power Supply  12 Vdc power adapter (included)
    Environment  0 to 50°C (32 to 122°F); RH max 95%
    Dimensions  160 x 105 x 31 mm (6.3 x 4.1 x 1.2)
    Weight  190 g (6.7 oz.) – meter only


    HI 1293D  Spare pH Electrode for pH Monitors
    HI 70004P  4.01 pH Buffer Solution, (25) 20 mL
    HI 70007P  7.01 pH Buffer Solution
    (25) 20 mL sachets
    HI 70010P  10.01 pH Buffer Solution
    (25) 20 mL sachets
    HI 77400P  Combination pH Buffer Kit 4.01 & 7.01 pH, (10) 20 mL Sachets
    HI 70300M  Electrode Storage Solution
    1 x 230 mL bottle
    HI 7061M  General Purpose Cleaning Solution
    1 x 230 mL bottle

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    Tel.  02-191-3928 Fax 02-191-3929

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

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