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    อุปกรณ์วัด pH (Water Resistant pH Indicator with Visual Alarm for Water Treatment)

    HI 981402-01

    Water Resistant pH Indicator with Visual Alarm for Water Treatment

    HI 981402-01 is a water resistant pH meter with a built-in digital LCD. The meter is supplied with the HI 1286 double junction, plastic-body, gel-filled combination pH electrode with a flexible 2 m (6.6′) cable. The electrode also has a unique clog resistant PTFE junction that enhances both probe life and accuracy. The BNC connector is protected by a waterproof sleeve.

    The alarm set point can be selected anywhere in the 3 to 11 pH range. A red LED warns the user in the event the reading is outside the set point by more than ±0.5 pH. Calibration can be manually performed at two points through two easily accessible trimmers on the front of the unit.

    The HI 981402-01 is suited for outdoor installations and highly humid conditions. The molded eye allows the meter to be installed close to the sample and the 12 VDC power supply is ideal for continuous monitoring for extended periods of time.


    Range 0.0 to 14.0 pH

    Resolution 0.1 pH

    Accuracy ±0.2 pH

    Calibration manual, one or two points

    Setpoint adjustable from 3.0 to 11.0 pH

    Alarm  red LED (blinks when pH reading differs from the setpoint by more than ±0.5 pH)

    pH Electrode HI 1286 PEI body pH electrode with 2 m (6.6’) cable (included)

    Input Impedance 1012 Ohm

    Power Supply  12 Vdc power adapter (included)

    Environment 0 to 50°C (32 to 122°F); RH max 100%

    Dimensions 86 x 110 x 43 mm (3.4 x 4.3 x 1.7″)

    Weight 150 g (5.3 oz.)



    HI 1286 Spare pH Electrode for pH Indicators


     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 70300M Electrode Storage Solution
    1 x 230 mL bottle

    HI 7061L General Purpose Cleaning Solution
    1 x 500 mL bottle

  • 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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