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Residual Chlorine Sensor
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Platinum Electrode Residual Chlorine Sensor – Membrane-Free, Reagent-Free, RS485 Modbus For Drinking Water

Platinum Electrode Residual Chlorine Sensor – Membrane-Free, Reagent-Free, RS485 Modbus For Drinking Water

Brand Name: KaiNaFu
Model Number: KNF-1005D Residual chlorine(Platinum electrode)KNF-1005E Dissolve Ozone (Platinum electrode)
MOQ: 1pieces
Packaging Details: Eco-friendly paper box
Payment Terms: T/T
Detail Information
Place of Origin:
Shenzhen
Measurement parameters:
Free Chlorine, Chlorine Dioxide (high Purity), Dissolve Ozone
Measurement method:
Reagent-free, Electrochemical, Three-electrode Amperometric Assay System
Range:
-5mg/L (default), 0-20mg/L, 0-100mg/L
Communication interface:
RS485 + 4-20mA
Supply Ability:
500 pieces+One month
Highlight:

Platinum electrode residual chlorine sensor

,

Membrane-free residual chlorine sensor

,

RS485 Modbus chlorine sensor

Product Description

Platinum Electrode Residual Chlorine Sensor – Membrane-Free, Reagent-Free, RS485 Modbus For Drinking Water


1. Product Overview
     The uncoated digital disinfectant sensor has three electrode, it can measure constant potential and current. Our company has intellectual property rights of this product.
The sensor can be used to measure the concentration of disinfectants such as free chlorine, chlorine dioxide (high purity), and ozone. It is mainly used in application scenarios such as tap water, pipe networks, secondary water supply, water ends, and swimming pools. The electrode has a built-in ARM processor and high-efficiency filtering algorithm, which can effectively avoid the interference of noise. It has an RS-485 interface, which is convenient for access to computers and network monitoring systems.

Platinum Electrode Residual Chlorine Sensor – Membrane-Free, Reagent-Free, RS485 Modbus For Drinking Water 0

2.Measurement Principle
   The uncoated digital disinfectant sensor consists of two platinum electrodes and a silver chloride electrode to form a three-electrode measurement system. The electrode has a built-in high-precision potentiostat, which can keep the working electrode potential stable. Disinfectant components such as hypochlorous acid undergo a redox reaction at the working electrode, and the current generated follows Faraday's law, so we can measure the concentration of the disinfectant.


3. Product Features
1.We use electronic and chemical sensors, there is no reagent consumption and pollutant emissions;
2.It is designed without film. So there is no need to replace the membrane head and adding electrolyte;
3.We designed three electrodes, there are zero point stability and high sensitivity;
4.The built-in high-precision sampling circuit makes the sensor linearity good;
5.When the pH does not change much, it can be accurately compared with the DPD measurement method.


4.Technical parameters


 

 

 

 

 

 

 

System

Power supply

DC 9-28V

Power

0.5W

 

Measurement parameters

free chlorine, chlorine dioxide (high

purity), Dissolve ozone

Communication interface

RS485 + 4-20mA

Electrode Material

Platinum, Silver chloride

Design life

>18 months

 

Water sample flow rate

>400mL/min, and the flow rate needs to

be kept stable.

Temperature range

-5 - 45°C (Non-freezing)

Withstand pressure

<0.1MPa

 

 

 

 

 

 

 

Disinfectant (free chlorine/ chlorine dioxide/ Ozone/

 

 Measurement method

Reagent-free, electrochemical, three-electrode amperometric assay system

Range

0-5mg/L (default), 0-20mg/L, 0-100mg/L

Resolution

0.001mg/L

Detection limits

0.030mg/L or less

 

Accuracy

± 3% (DPD comparison error ± 10% or ±

0.05mg/L, whichever is greater)

Repeatability

± 3%

Corresponding time(T90)

 90s

 

Calibration method

Single-point calibration, two-point

calibration

Sample pH range

4 - 9

 

 

 

 

 

Temperature

Measurement method

Thermistor method

Range

-5 - 60℃

Resolution

0.1℃

Accuracy

±0.4℃

Repeatability

0.2℃

Corresponding time(T90)

 25s

Calibration method

Single-point calibration

5. Introduction to the Water Quality Monitoring Software Cloud Platform (DATAIO)


    All the water quality/water level related equipment produced by our company can be connected to the Kainafu water quality monitoring cloud platform! It can realize the reception, display, statistics, automatic analysis, storage, download and release of monitoring data from various water quality sensor devices. Generate visual calculation result charts intuitively on the display terminal of the monitoring management center.


▪ Desktop WEB page (login address: ion.onetestinc.com. Contact the product owner for a trial account to obtain it)
▪ Apple APP, Android APP
Wechat Official Account/Mini Program

Platinum Electrode Residual Chlorine Sensor – Membrane-Free, Reagent-Free, RS485 Modbus For Drinking Water 1

Platinum Electrode Residual Chlorine Sensor – Membrane-Free, Reagent-Free, RS485 Modbus For Drinking Water 2