PH/ORP-8851

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PH/ORP-8851

Category:

PH/ORP Meter

  • Product Description

    ■ Product Description

    PH/ORP-9900 pH/Redox Potential Transmitter Controller is a general-purpose, cost-effective online monitoring instrument, which can be equipped with a variety of specifications of two or three composite PH electrodes or ORP electrodes, the whole machine has the characteristics of high measurement accuracy, anti-interference, easy installation and simple operation.

    ● Enlarged LCD display, multiple parameters can be displayed on the same screen;

    ● PH supports dual-mode three-point calibration, in line with international standards, 4.00 /6.86 /9.18 or 4.01 /7.00 /10.00;

    ● PH supports offline calibration and online calibration;

    ● Support manual correction of measured values; (Manual compensation via PH0 or ORP0)

    ● 4~20mA output current, support instrument/transmitter dual mode, meet the interface of all (4~20)mA receiving units;

    ● Dual relay output control, and delay control, to meet the pH or ORP range control and adjustment, can be easily connected with the dosing pump;

    Measuring principle

    When the electrode is immersed in the solution, the H+ charge acts on the sensor, resulting in a slight voltage change, and the value of the change is transmitted to the transmitter through the cable, and the transmitter converts, calculates, and displays the measured pH/ORP and temperature signals.

    Areas of use

    This series of instruments is suitable for environmental protection engineering, water treatment and purification, industrial process monitoring, aquaculture, and other industries in the pH/ORP online monitoring.

     

    ■ Specification

    Product name

    pH/ORP-9900 pH/Redox Potential Transfer Controller

    Measuring range

    pH

    0.00~14.00 pH

    ORP

    -2000mV~2000mV

    temperature

    0.0~50.0℃(Thermal Components: NTC10K)

    resolution

    pH

    0.01

    ORP

    1mV

    temperature

    0.1℃

    accuracy

    pH

    Level 0.1

    ORP

    ≤±5mV (electronic unit)

    temperature

    ≤±0.5℃

    Signal input impedance

    3×1011Ω

    Support buffer solution

    pH: 4.00/6.86/9.18 or 4.01/7.00/10.00

    Medium temperature compensation range

    0~100C (25°C as the compensation standard) can choose manual

    and automatic temperature compensation

    (4~20)mA

    Technical characteristics

    Isolated, range-adjustable, reversible, dual meter/transmitter mode

    Loop resistance

    500Ω (max),DC24V

    Transmission accuracy

    ≤±0.1mA

    RS485 communication (optional)

    ModbusRTU protocol (addresses 1-99);

    Control nodes

    Electrical contacts

    Dual relay (single contact ON/OFF), differential type

    Load capacity

    AC220V/AC110V3A (max)

    Power supply

    Standard: DC24V/0.5A;Optional: AC85V~265V 50/60Hz

    Environmental requirements

    Operating temperature

    0~50℃

    relative humidity

    ≤85% RH (non-condensing)

    Dimensions

    96*96*72 mm (L*W*D)

    Cut-out size

    92*92 (L*W)

    Installation:

    Plate-packed

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