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  • หน้าแรก>>Products>>อุปกรณ์Dosing Pump>>อุปกรณ์ Pump & Controller>>อุปกรณ์ ORP Controller and Chemical Dosing Pump
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    อุปกรณ์ ORP Controller and Chemical Dosing Pump

    BL 7917

    ORP Controller and Chemical Dosing Pump

    •ORP controller and dosing pumps in one compact unit.
    •±5 mV accuracy with unbeatable performance.
    •Isolated 4 to 20 mA recorder output.
    •Proportional dosing slows the pump down when the measured ORP level approaches the set value, to avoid over dosage of oxidizing or reducing agents.
    •Alarm contact is activated whenever the ORP reading varies more than 200 mV from the set point.
    •Auxiliary contacts allow users to attach a mixer or priming pump that is activated only when the pump is dosing
    •PVDF, FPM/FKM and PTFE materials are used for all parts that come into contact with liquid.

    The controller/pump is enclosed in a modular housing for maximum protection. The pump utilizes a one-piece polypropylene, injection-molded housing. Since there are no joints or screws holding different sections of the housing together, the case is extremely rugged and sturdy. This series of instruments will mount easily in your plant using a minimum of wall space. The controls and pump head are located in the front to allow easy access.

    Specifications

    Range  -999 mV to +999 mV
    Resolution  1 mV
    Accuracy  ±5 mV
    Flow Rate  13.3, 11.7, 10.1, 9.0, 7.8 (LPH)
    Input Impedance  1012 Ohm
    Dosage  proportional, oxidizing or reducing, user selectable
    Recorder Output  4-20 mA (isolated)
    Dosing Contact  1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes
    Alarm Contact  1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes
    Power Supply  BL 7917-1: 115V ±15%; 50/60Hz (40W)
    BL 7917-2: 230V ±15%; 50/60Hz (40W)
    Environment  0 to 50°C (32 to 122°F); RH max 95% non-condensing
    Dimensions  221 x 142 x 181 mm (8.7 x 5.6 x 7.1′)
    Weight  5 kg (11 lb.)

    Accessories

    Solutions
    HI 7020L  ORP Test Solution at 200/275 mV (@20°C)
    1 x 500 mL bottle
    HI 7091L  Reducing Pretreatment Solution
    1 x 500 mL bottle
    HI 7092L  Oxidizing Pretreatment Solution
    1 x 500 mL bottle
    Accessories
    HI 8427  pH and mV Precision Simulator
    HI 931001  pH and mV Precision Simulator
    HI 721101  Pump head, O-ring, screws (6 pcs) and washers (6 pcs)
    HI 721102  Discharge valve assembly
    HI 721103  Suction valve assembly
    HI 721004  Injection Valve Assembly
    HI 721005  Foot Valve Assembly
    HI 721008  Ceramic weight

  • สนใจขอใบเสนอราคาและสั่งซื้อสินค้า

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    ต. คลองหลวง อ.คลองหลวง จ. ปทุมธานี 12120
    โทร. 081-847-6768, 02-191-3928 แฟ็กซ์. 02-191-3929 


    คุณโทณิวัฒน์ 085-811-4779 , คุณนารีรัตน์ 085-814-9653

    E-mail : info@highents.com

     

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