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RK500-09 Multi-parameter water quality sensor

  • NG # 04315-HW-RIK-004

The RK500-09 Multi-Parameter Water Quality Sensor is an advanced, all-in-one monitoring device designed to measure multiple water quality parameters simultaneously. With integrated sensors, RS485 (Modbus-RTU) communication, and an automatic cleaning system, it ensures accurate, real-time data collection with minimal maintenance, making it ideal for environmental monitoring, aquaculture, and industrial water applications.

Manufactured By :
Rika Sensor
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Need Help Ordering?
Call +88 01714243446

Stock

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Overview

The RK500-09 Multi-Parameter Water Quality Sensor features a compact, integrated design that allows simultaneous measurement of several critical water parameters such as dissolved oxygen, pH, ORP, conductivity, salinity, turbidity, and temperature. This multi-in-one capability eliminates the need for multiple separate probes, simplifying installation and reducing system complexity.

Equipped with RS-485 output and Modbus-RTU protocol, the sensor enables seamless data transmission to monitoring systems or data acquisition platforms. Its built-in automatic cleaning device helps prevent biofouling and sediment buildup, ensuring long-term accuracy while significantly lowering maintenance requirements.

The device is engineered for durability in harsh environments, featuring a protective housing that safeguards internal components from physical damage and large suspended particles. Quick-plug waterproof connectors further enhance ease of installation and servicing. With low power consumption and high sensitivity, the RK500-09 is well-suited for continuous, reliable water quality monitoring across various industrial and environmental applications.

Specification

Dissolved Oxygen (DO) Sensor

  • Measuring Range: 0–20 mg/L
  • Accuracy: ±0.4 mg/L or ±2%
  • Resolution: 0.01 mg/L 

Turbidity Sensor

  • Measuring Range: 0–100 NTU / 0–1000 NTU
  • Accuracy: ±3% or ±2 NTU / ±5% or ±3 NTU
  • Resolution: 0.1 NTU 

Electrical Conductivity (EC) Sensor

  • Measuring Range: 0–5000 µS/cm / 0–200 mS/cm
  • Accuracy: ±1.5% F.S.
  • Resolution: 1 µS/cm / 0.1 mS/cm 

Salinity Sensor

  • Measuring Range: 0–70 PSU
  • Accuracy: ±1.5% F.S.
  • Resolution: 0.1 PSU 

TDS Sensor

  • Measuring Range: 0–100 mg/L / 0–1000 mg/L
  • Accuracy: ±10% or ±1 mg/L
  • Resolution: 0.01 mg/L / 0.1 mg/L 

pH Sensor

  • Measuring Range: 0–14 pH
  • Accuracy: ±0.1 pH
  • Resolution: 0.01 pH 

ORP Sensor

  • Measuring Range: -1500 mV to +1500 mV
  • Accuracy: ±6 mV
  • Resolution: 1 mV 

Temperature Sensor

  • Measuring Range: 0–50°C
  • Accuracy: ±0.3°C
  • Resolution: 0.1°C 

Optional Sensors

  • Chlorophyll: 0–400 µg/L, Accuracy ±3%
  • Cyanobacteria: 0–300K cells/L, Accuracy ±3% 

General Specifications

  • Output: RS485 (Modbus-RTU)
  • Power Supply: 12V DC ±5%
  • Power Consumption: 5W @ 12V
  • Cleaning Method: Automatic cleaning system
  • Installation: Submersible
  • Housing Material: POM / 316L stainless steel
  • Cable Length: 5 m (customizable)

Other Rika Sensor Products

RK500-20 Total Suspended Solid (TSS)Sensor
Rika Sensor Industrial Tools & Accessories 04321-HW-RIK-010

RK500-04 Type-A Optical Dissolved Oxygen (DO) Probe（Economy）
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RKL-01 Submersible Liquid Level Transmitter Submersible Water Level Sensor
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RK500-12 Type-D1 pH Sensor for Conventional Water
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RK500-13 Type-C Water quality conductivity probe（Strong anti-corrosion）
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RK500-06 ORP Sensor Water Quality Monitoring Sensor
Rika Sensor Industrial Tools & Accessories 04320-HW-RIK-009

RK500-04 Type-C Corrosion Resistant Dissolved Oxygen Sensor
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RK500-12 Type-C3 Water pH Sensor（Pressure & High-Temp）
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RK300-08 Multi-in-one Gas Sensor
Rika Sensor Industrial Tools & Accessories 04332-HW-RIK-021

RK500-07 Type-B Water turbidity probe (Corrosion-Resistant)
Rika Sensor Industrial Tools & Accessories 04335-HW-RIK-024

RK500-12 Type-D2 Industrial pH Probe (seawater, industrial water)
Rika Sensor Industrial Tools & Accessories 04330-HW-RIK-019

RK500-13 Type-B Online Electrical Conductivity （EC）Sensor
Rika Sensor Industrial Tools & Accessories 04317-HW-RIK-006

RK500-13 (Liquid cooling) EC Sensor
Rika Sensor Industrial Tools & Accessories 04314-HW-RIK-003

RK500-12 Type-B3 Submersible pH Probe（High temperature environment）
Rika Sensor Industrial Tools & Accessories 04325-HW-RIK-014

RK500-17 Chlorophyll sensor
Rika Sensor Industrial Tools & Accessories 04322-HW-RIK-011

RK500-04 Type-B Dissolved Oxygen(DO) Sensor
Rika Sensor Industrial Tools & Accessories 04316-HW-RIK-005

RK500-07 Type-A Turbidity Sensor
Rika Sensor Industrial Tools & Accessories 04319-HW-RIK-008

RK500-12 Type-A1 pH Sensor Conventional water
Rika Sensor Industrial Tools & Accessories 04318-HW-RIK-007

RK500-11 Liquid Temperature Sensor
Rika Sensor Industrial Tools & Accessories 04323-HW-RIK-012

RK300-03A Indoor Carbon Dioxide Sensor CO2 Transmitter
Rika Sensor Industrial Tools & Accessories 04336-HW-RIK-025

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