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RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration

    Buy cheap RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration from wholesalers
     
    Buy cheap RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration from wholesalers
    • Buy cheap RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration from wholesalers
    • Buy cheap RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration from wholesalers
    • Buy cheap RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration from wholesalers

    RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration

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    Brand Name : Daruifuno
    Model Number : OPD70
    Certification : CE
    Price : Negotiable
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    RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration


    RS485 Luminescent Dissolved Oxygen Probe Requires No Calibration


    The DRFN’s luminescent Dissolved Oxygen probe can be widely used in urban sewage treatment, industrial wastewater treatment, surface water monitoring, sea water monitoring, fish farming, aquarium, drinking water, etc. Dissolved Oxygen monitoring throughout wastewater treatment, and particularly in the activated sludge phase, is key to effective and efficient treatment.


    Measuring Principle Of The Luminescent Dissolved Oxygen Probe


    The luminescent Dissolved Oxygen probe covers the detection head(luminescent membrane cap) with a layer of luminescent material. The LED light source in the sensor emits blue light to the fluorescent material on the surface of the head (luminescent Membrane cap). The luminescent material is excited and emits red light. The higher the dissolved oxygen concentration, the shorter the time from emitting blue light to red light. Using the correlation between red light release time and dissolved oxygen concentration (release time), the dissolved oxygen analyzer calculates the dissolved oxygen concentration in the medium.



    Advantages of The Luminescent Dissolved Oxygen Probe


    • The DRFN OPD70 LDO probe can meet various works without calibration.

    • The sensor is equipped with digital communication Modbus RS485 protocol.

    • Compact and light, the LDO probe can be conveniently connected to online transmitters, DTUs, and portable instruments.

    • The protection grade of the LDO sensor is IP68, it can work continuously and stably under water for a long time.
    • No need to consume oxygen, especially at very low oxygen concentration for accurate measurement.

    Technical Parameter


    Product Name

    Luminescent Dissolved Oxygen Probe

    Product Model

    OPD70

    Measure Principle

    Optical measure by luminescence

    Measure Range

    0.00 to 20.00 mg/L

    0-200%

    Resolution

    0.01

    Accuracy

    0.1mg/L

    1%

    Response Time

    90% of the value in less than 60 seconds

    Temperature Compensation

    Built-in temperature unit, automatic temperature compensation

    Calibration Method

    Zero position/slope/deviation

    Operating Temperature

    0°C ~ 50°C

    Signal Interface

    Modbus RS485

    Dimensions

    Diameter: 25 mm; Length: 150 mm

    Working Pressure

    0~3 bars

    Material

    PPS

    Weight

    450g

    Protection Grade

    IP68


    The Matching Dissolved Oxygen Controllers Recommendation


    Product NameDissolved oxygen controller
    Product Model DUC2-DO-S DUC2-DO-H
    OTAdefault wifiNo
    Software VersionDRFN DO Analysis software V1.0
    DO Concentration Display Range0-50mg/L
    DO Saturation Display Range0-400%
    TEMP Display Range-10~500℃ /14~932℉
    Atmospheric Pressure Display Range30-120kpa
    Salinity Compensation RangeInput range0.0001-99999ppt
    Relay Control2 settable SPST relays max. load 3A/250VAC
    Analog Current Output2 settable 0/4~20mA active current loop output max. load 1000Ω
    Communication MethodMODBUS RTU; support JSON text data format
    Display Screen128*64 LCD
    Time History/Data RecordYear/month/day/hour/min/second, record 14000 historical data
    Protection LevelIP66
    Operating Environment0~60℃, relative humidity less than 95%
    Storage Environment-20~70℃, relative humidity less than 55%
    Shell MaterialEnhanced ABS
    Size144*144*120mm (hole size 138*138 mm)
    Mounting MethodWall mounting, pipe clamping, panel installation
    Power Supply18-36V DC or 100~240V
    Weight800g

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