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    อุปกรณ์วัด Multiparameter (Research Grade Meter with Calibration Check™ pH/ORP/ISE & Temperature)

    HI 4222

    Research Grade Meter with Calibration Check™ pH/ORP/ISE & Temperature

    HI 4222 is a research grade pH, ORP and temperature benchtop meter. This instrument incorporates dual channels with a separate temperature input and support the external reference electrodes required by some pH and ISE sensors.

    The customizable user interface can display two channels at the same time, showing the measurements in various modes: basic measurement with or without GLP information, graph or log history.

    These instruments offer multi-language support and contextual help is available through a dedicated Help key. Clear tutorial messages and directions are available on-screen to quickly and easily guide users through all measurement and calibration procedures to ensure measurements and procedures are performed properly.

    HANNA’s pH Calibration Check™ diagnostics system ensures accurate readings every time by alerting users of potential problems during the calibration process. The Calibration Check™ system eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated pH buffer solutions. After the guided calibration process, an electrode condition indicator is displayed on the LCD informing the user of the overall pH electrode status.

    Automatic, semiautomatic and manual pH calibration is available in up to five points, with eight standard (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45) and up to 5 custom buffers. The Out of Calibration Range and Cal Due features alert the user in the event the measurement is far from the calibration point or when the meter is due for recalibration. Proper, scheduled calibrations are crucial for accurate and repeatable measurements.

    This instrument also features up to five point Manual Selection and Custom Standard ISE calibration. From the on-screen list, users can select their ISE electrode parameter along with it’s standard configuration profile or create their own.

    Up to a four point automatic or custom standard conductivity calibration can be performed in up to four points as well as probe cell constant

    Up to 10 profiles can be saved and recalled, eliminating the need to reconfigure each time when a different electrode is used. User definable configurations can include: temperature compensation in accordance with each parameter, ISO-potential points for pH and ISE, measurement units of ISE concentrations and ISE electrode type, temperature units. Three selectable logging modes are available: Automatic, Manual and AutoHold logging. Up to 100 logging lots can be stored for automatic or manual modes along with up to 200 USP reports, and up to 100 ISE methods reports. Automatic logging features a selectable area and sampling period while GLP information includes complete data about user calibration of each parameter and identification information for the instrument, user, and company. Data can be transferred to a PC via the opto-isolated PC interface via the RS232 or USB ports and HI 92000 software (optional).


    pH Range -2.000 to 20.000 pH
    Resolution 0.1 pH; 0.01 pH; 0.001 pH
    Accuracy ±0.1 pH; ±0.01 pH; ±0.002 pH ±1 LSD
    mV Range ±2000 mV
    Resolution 0.1 mV
    Accuracy ±0.2 mV ±1 LSD
    ISE Range 1 x 10-6 to 9.99 x 1010 concentration
    Resolution 1; 0.1; 0.01; 0.001 concentration
    Accuracy ±0.5% (monovalent ions); ±1% (divalent ions)
    Temperature Range -20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K
    Resolution 0.1°C; 0.1°F; 0.1K
    Accuracy ±0.2°C; ±0.4°F; ±0.2K (without probe)
    Calibration pH automatic, up to five point calibration, eight standard buffers available (1.68, 3.00, 4.01, 6.86, 7.01,9.18, 10.01, 12.45), and five custom buffers
    ISE automatic, up to five point calibration, 5 fixed standard solutions available for each measurement unit, and 5 user defined standards
    pH Calibration Check™  yes
    Rel. mV Offset Range  ±2000 mV
    Input Channel(s)  2 pH/ORP/ISE
    GLP  cell constant, reference temperature/coefficient, calibration points, cal time stamp
    pH Temp. Compensation  automatic or manual from -20.0 to 120.0°C/-4.0 to 248.0°/253 to 393K
    pH Electrode  HI 1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included)
    Temperature Probe  HI 7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
    Logging Record 100 lots with 10,000 record/lot
    Interval settable between 1 and max log time
    Type automatic, log on demand, auto HOLD
    Display  240 x 320 dot-matrix color LCD with on-screen help, graphing, language selection and custom configuration
    PC Connection / Power Supply  USB and RS232 / 12 VDC adapter (included)
    Environment / Dimensions / Weight  0-50ºC (32 to 122ºF) (273 to 323K) RH max 95% non-condensing / 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”) / 1.2 Kg (1.8 lbs.)


    HI 6004  Millesimal Buffer Solution, 4.010 pH, 500 mL bottle
    HI 6007  Millesimal Buffer Solution, 7.010 pH, 500 mL bottle
    HI 6010  Millesimal Buffer Solution, 10.010 pH, 500 mL bottle
    HI 70300L  Electrode Storage Solution
    1 x 500 mL bottle
    HI 7061L  General Purpose Cleaning Solution
    1 x 500 mL bottle
    HI 7030L  12880 µS/cm EC Solution, 500 mL Bottle
    HI 7031L  1413 µS/cm EC Solution, 500 mL Bottle
    HI 7033L  84 µS/cm EC Solution, 500 mL Bottle
    HI 7034L  80000 µS/cm EC Solution, 500 mL Bottle
    HI 7035L  111800 µS/cm EC Solution, 500 mL Bottle
    HI 7039L  5000 µS/cm EC Solution, 500 mL Bottle
    HI 7037L  Calibration Solution for % Readings (100% NaCl)
    HI 92000  Windows® Compatible Software
    HI 920013  USB Cable

  • Requesting a Quotation and Ordering Products

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    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

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