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 Rika Sensor is a weather sensor manufacturer and environmental monitoring solution provider with 10+ years of industry experience.

RK500-09 Multi-parameter water quality sensor 1
RK500-09 Multi-parameter water quality sensor 2
RK500-09 Multi-parameter water quality sensor 3
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RK500-09 Multi-parameter water quality sensor 1
RK500-09 Multi-parameter water quality sensor 2
RK500-09 Multi-parameter water quality sensor 3
RK500-09 Multi-parameter water quality sensor 4
RK500-09 Multi-parameter water quality sensor 5
RK500-09 Multi-parameter water quality sensor 6

RK500-09 Multi-parameter water quality sensor

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    PRODUCT DESCRIPTION

    RK500-09 multi-parameter water quality sensor adopts an integrated design and can measure up to 8 parameters at the same time. You can choose DO, COD, pH, ORP, EC/salinity, NH4+, turbidity, etc. Using RS-485 output, Modbus-RTU communication protocol, data can be directly transmitted to the acquisition platform.
    The multi-parameter water quality sensor is equipped with an automatic cleaning device, automatic cleaning interval time and number of automatic cleaning cycles can be set to adapt to the water quality of different degrees of cleanliness. Customize cleaning intervals to adapt to harsh environments—ideal for long-term deployments in rivers, wastewater plants, or stormwater systems. The automatic cleaning device can effectively clean the surface of the sensor, prevent the adhesion of microorganisms, and greatly reduce the maintenance cost. Each sensor is equipped with a quick-plug waterproof connector, which is easy to disassemble and assemble. 


    Why Choose the RK500-09? 

    • All-in-One Integration: Replace scattered probes with a single water parameter sensor powerhouse.
    • Weather-Resistant Design: Built for outdoor extremes—rain, humidity, or temperature swings.
    •  Scalable Insights: From single-point checks to ecosystem-wide monitoring.

    If you are looking for professional sensors to measure water quality, it will be the great choice.

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    Conform to the WMO standard.
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    Suitable for harsh environment.
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    Easy installation.
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    Visual desiccant Window.
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    Low power Consumption.
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    High sensitivity.

    SPECIFICATIONS




    Dissolved oxygen sensor

    Measuring range

    020mg/L

    Accuracy

    ±0.4mg/L

    Resolution

    0.01mg/L

    Turbidity sensor

    Measuring range

    0100NTU

    01000NTU

    Accuracy

    ±3% or ±2NTU

    ±5% or ±3NTU

    Resolution

    0.1NTU

    EC / salinity sensor

    Measuring range

    05000uS/cm

    0200mS/cm

    070PSU

    Resolution

    1uS/cm

    0.1mS/cm

    0.1PSU

    Accuracy

    ±1.5% F.S.

    COD sensor

    Measuring range

    COD

    Turbidity

    0200mg/L equiv. KHP

    0100NTU

    0500mg/L equiv. KHP

    0200NTU

    Accuracy (COD)

    ±5%F.S.

    Resolution (COD)

    0.1mg/L

    Accuracy (Turbidity)

    ±5%F.S.

    Resolution (Turbidity)

    0.1NTU

    pH sensor

    Measuring range

    014pH

    Accuracy

    ±0.1pH

    Resolution

    0.01pH

    ORP sensor

    Measuring range

    -1500mV+1500mV

    Accuracy

    ±6mV

    Resolution

    1mV

    NH4+ sensor

    Measuring range

    0100mg/L

    01000mg/L

    Accuracy

    ±10%±2mg/L

    Resolution

    0.1mg/L

    Temperature

    Measuring range

    050

    Accuracy

    ±0.5

    Resolution

    0.1

    Other Information of Multi-parameter sensor

    Output

    RS-485(Modbus/RTU)

    Cleaning method

    Automatic cleaning

    5W@12V

    12VDC±5%

    Standard 5 meters, other lengths can be customized

    Power consumption

    5W@12V

    power supply

    12VDC±5%

    Cable length

    5m(default), other lengths can be customized



    DIMENSION

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    Unit:mm

    Note: Use lifting rings or pipe threads to install the sensor to avoid direct stress on the cable. The sensor connector is M16-5 cores male waterproof connector.

    PRODUCT APPLICATION

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    CUSTOMER TESTIMONIALS

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    CERTIFICATE

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    EMC-Automatic Weather Station
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    TUV Certificate
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    RoHS-Automatic Weather Station
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    ISO9001

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