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  • หน้าแรก>>Products>>อุปกรณ์การไทเทรต>>อุปกรณ์การไทเทรต(Total Titratable Very Low Alkalinity Titrator)
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    อุปกรณ์การไทเทรต

    HI 84442

    Total Titratable Very Low Alkalinity Titrator

    User-friendly interface
    Dedicated HELP key
    Simple to operate
    Log on demand up to 100 samples (50 for pH; 50 for titration)
    GLP features
    One, two or three point calibration
    pH temperature compensation

    The HI 84442 is a dedicated mini titrator and pH meter designed for very low levels of alkalinity displayed as 5.0 to 20.00 mg/L as CaCO3 or 0.1 to 0.4 meq/L as CaCO3.  It utilizes an electrometric titration with a pH electrode to determine the total titratable alkalinity in water. As titrant is slowly added to the sample solution the pH and temperature are carefully monitored. The software analyzes the resulting pH curve and determines the volume of titrant required to reach the endpoint of 4.5 pH. (known as bromcresol green alkalinity).

    The dispensed titrant volume is used to automatically calculate the water alkalinity, which can be displayed in mg/L CaCO3 or meq/L. Titrations are conducted using the reagent HI 84442-50.

    Order Information:
    HI 84442-01 (115V) and HI 84442-02 (230V) are supplied with HI 84442-50 titrant solution (100 mL), HI 84442-55 pump calibration solution (230 mL), HI 1131B pH electrode, HI 7071 filling solution (30 mL), HI 7662-M temperature probe, HI 7061 cleaning solution, HI 7004M pH 4.01 buffer solution (230 mL), HI 70083M pH 8.30 buffer solution (230 mL), HI 7010M pH 10.01 buffer solution (230 mL), 100 mL beakers (2), tube set with dispensing tip, medium stir bars (2), 12 VDC adapter, Instructions and quick reference guide.

    Specifications

    Range Total Titratable Alkalinity
    (Very Low/Ultra Low Range) mg/L (ppm) : 3.00-10.00 mg/L (ppm) as CaCO3
    meq/L : 0.06-0.20 meq/L
    pH -2.0 to 16.0 pH / -2.00 to 16.00 pH
    Temperature -20.0 to 120.0 °C (-4.0 to 248.0 °F)
    Resolution Total Titratable
    Alkalinity (VL/UL) 0.01 mg/L; 0.01 meq/L
    pH 0.1 pH / 0.01 pH
    Temperature 0.1 °C
    Accuracy
    (@25ºC) Total Titratable
    Alkalinity (VL/UL) 5% of reading
    pH ±0.01 pH
    Temperature ±0.4 °C without probe error
    Titration
    Method   acid-base titration (total alkalinity)
    Titration
    Principle   endpoint titration: 4.5 pH
    Pump Volume   0.5 mL/min
    Stirring Speed   700 rpm
    pH Temp.
    Compensation   manual or automatic from: -20 to 120 °C
    (-4 to 248 °F)
    Logging Titration up to 50 samples
    pH up to 50 samples
    pH Calibration   one, two or three point calibration; three available buffers (4.01; 8.30; 10.01)
    pH Electrode   HI 1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable
    Temperature
    Probe   HI 7662-M stainless steel temperature probe with 1 m (3.3’) cable (included)
    Environment   0 to 50 °C (32 to 122 °F); max 95% RH non-condensing
    Power Supply   12 VDC power adapter
    Dimensions   208 × 214 × 163 mm (8.2 × 8.4 × 6.4”) (with beaker)
    Weight   2200 g (77 oz.)

    Accessories

    Accessories
    HI 70483T Replacement Tubing Set
    HI 731319 Micro Stir Bars for Magnetic Stirrers
    HI 731342 2000 µL Graduated Pipette
    HI 731352 Plastic Tip Set for 2000 µL Graduated Pipette
    HI 731341 1000 µL Graduated Pipette
    HI 731351 Plastic Tip Set for 1000 µL Graduated Pipette
    Reagents & Standards
    HI 84442-50 Titrant Solution
    HI 84442-55 Pump Calibration Solution

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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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