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  • หน้าแรก>>Products>>Control System>>Control System (Analog Controller & Indicator)>>อุปกรณ์วัด Control System (ORP Analog Controller with Self-Diagnostic Test)
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    อุปกรณ์วัด Control System (ORP Analog Controller with Self-Diagnostic Test)

    HI 8720

    ORP Analog Controller with Self-Diagnostic Test

    This instrument allows the selection of a set point for oxidizing or reducing dosage.

    When used in conjunction with the HI 8710 pH controller, the ODCD (ORP dosing consent device) function (featured by the HI 8710) will ensure that the ORP dosage will start only when the pH level
    is correct.

    These instruments have been designed for easy and fast installation and are provided with membrane keypads on the front panel, large display, and autodiagnostic functions.

    Each model accepts either a direct input from an ORP electrode or from a transmitter through 4-20 mA input. The instrument also provides ±5V power output and input terminals for amplified electrodes.

    Moreover, you can choose the output configuration for connecting a recorder or a PLC, between 0-20 or 4-20 mA.

    Specifications

    Range  ±1999 mV
    Resolution  1 mV
    Accuracy
    @ 20 °C  ±5 mV; ±0.5% (input from transmitter)
    Input  high impedance 1012 Ohm; reference and matching pin inputs are available; 4-20 mA
    Power Output  ±5 Vcc; 150 mA max load for amplified electrodes
    Calibration  offset: ±200 mV with CAL trimmer
    Recorder Output  0-20 mA or 4-20 mA (isolated)
    Setpoint Relay  1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
    Setpoint Range  ±1999 mV
    Alarm Relay  1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
    Alarm Range  10 to 300 mV
    Dosing Control  OFF/AUTO/ON with selection switch
    Over Dosing Control  adjustable, from 5 min to 60 min with knob or disable by wire strap – on rear panel
    Backlight  continuous on
    Power Supply  115 VAC ±10% or 230 VAC ±10%; 50/60 Hz
    Enclosure  flame retardant ABS body and front panel; transparent splash-proof front cover
    Environment  -10 to 50°C (14 to 122°F); RH max 95% non-condensing
    Panel Cutout  141 x 69 mm (5.6 x 2.7’’)
    Weight  1 kg (2.2 lb.)

  • 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 : info@highents.com

     

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