Online COD analyzer

Online COD analyzerAdopting an immersion installation method, it can continuously monitor the COD value in the water body and provide real-time data support. By real-time monitoring of COD values in water bodies, strong support is provided for water quality management and environmental protection. During use, attention should be paid to maintenance and upkeep to ensure the long-term stable operation and measurement accuracy of the instrument.

Online COD analyzer

1、 Product Introduction

ZS1S online water quality analyzer is an instrument that can monitor water quality COD online. It integrates water quality COD sensors and measurement modules for communication and storage, which can quickly and accurately record key parameters in water bodies. At the same time, the instrument supports the expansion of water quality multi parameter sensors, including but not limited to COD, ORP, pH value, dissolved oxygen (DO), conductivity, turbidity, ammonia nitrogen, temperature, etc. It can be combined and configured according to different needs and applications, record and store historical monitoring data and alarm history records, and support historical data export. xlsx. The RS485 interface supports the MODBUS-RTU communication protocol, allowing users to freely communicate and connect with devices such as PLC, DCS, configuration software, DTU, etc. to transmit data.

2、 Application fields of multi parameter water quality monitoring instrument

Online multi parameter water quality detectors are widely used for monitoring and controlling various water bodies, including but not limited to the following fields:

1. Water treatment plant: used to monitor the pH value, dissolved oxygen, turbidity and other parameters of tap water, ensuring the safety and hygiene of tap water.

2. Groundwater monitoring: used to monitor parameters such as pH value, conductivity, temperature, etc. of groundwater, in order to timely detect and solve water quality problems.

3. River and lake monitoring: used to monitor the water quality of rivers and lakes, such as dissolved oxygen, turbidity, ammonia nitrogen and other parameters, in order to take timely pollution control measures.

4. Ocean monitoring: used to monitor the water quality of the ocean, such as salinity, dissolved oxygen, temperature and other parameters, in order to timely detect and control marine pollution.

5. Sewage treatment: used to monitor the water quality parameters of sewage, such as pH value COD、 Ammonia nitrogen and other substances are used to control and regulate the sewage treatment process.

6. Industrial production: used to monitor the water quality status in the industrial production process, such as pH, conductivity, dissolved oxygen and other parameters, in order to adjust the process in a timely manner and ensure product quality.

7. Scientific research: used for water quality monitoring in the field of scientific research, such as eutrophication of lakes, climate change, and other studies.

3、 Technical characteristics of multi parameter water quality monitoring instrument

1. High reliability: suitable for long-term work in outdoor environments, with stable measurement and strong anti-interference ability.

2. Flexible and portable: Each probe can be freely combined and replaced independently, plug and play.

3. Scalability: Multiple sensors can be freely combined.

4. Multiple applications: rapid on-site measurement, emergency monitoring, or long-term online monitoring of groundwater, river water, lake water sources, and urban pipeline water.

5. Resilient shell: ABS+PC material, corrosion-resistant, capable of long-term continuous normal operation.

6. Compact structure: can be installed in smaller sizes.

7. Communication connection: RS485 expansion interface, isolated master/slave interface for independent communication.

4、 Technical parameters of multi parameter water quality analyzer

5Size chart

6、 Sensor configuration (optional)

PH	Measurement principle: electrochemistry (salt bridge) Signal mode: RS485 (MODBUS-RTU) Measurement range: 0~14 (PH) Resolution: 0.01 Measurement accuracy: ± 0.1PH ± 0.1 ℃ Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
ORP	Measurement principle: electrochemistry (salt bridge) Signal mode: RS485 (MODBUS-RTU) Measurement range: -1500~+1500 (mV) Resolution: 1mV Measurement accuracy: ± 6 mV Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
COD	Measurement principle: UV 254 absorption method dual light source measurement Signal mode: RS485 (MODBUS-RTU) Measurement range: 0~200mg/L 0~500mg/L Resolution: 0.1mg/L Measurement accuracy: ± 5% ± 0.3 ℃ Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread self-cleaning function: equipped with an automatic cleaner to prevent biological attachment, avoid light window pollution, and ensure long-term monitoring stability; Automatic cleaning time and frequency can be set, with a power consumption of 0.7W
Conductivity EC	Measurement principle: Contact electrode method Signal mode: RS485 (MODBUS-RTU) Measurement range: 0~5000 us/cm Resolution: 1 US/cm Measurement accuracy: ± 1.5% ± 0.1 ℃ Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
Dissolved oxygen (DO)	Measurement principle: Fluorescence lifetime method Signal mode: RS485 (MODBUS-RTU) Measurement range: 0-20mg/L Resolution: 0.01mg/L Measurement accuracy: ± 2% ± 0.3 ℃ Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
Suspended solids SS	Measurement principle: scattered light method Signal mode: RS485 (MODBUS-RTU) Measurement range: 0~2000mg/L Resolution: 0.1mg/L Measurement accuracy: ± 5% (depending on sludge homogeneity) Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
Turbidity TU	Measurement principle: scattered light method Signal mode: RS485 (MODBUS-RTU) Measurement range: 0~40NTU 0~1000NTU 0~3000NTU Resolution: 0.1NTU Measurement accuracy: ± 1% ± 0.3 ℃ Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
ammonia nitrogen	Measurement principle: ion selective electrode method Signal mode: RS485 (MODBUS-RTU) Measurement range: 0-100mg/l Resolution: 0.01mg/l Measurement accuracy: ± 1mg Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread
chlorophyll	Measurement principle: Fluorescence method Signal mode: RS485 (MODBUS-RTU) Measurement range: 0-400ug/L Resolution: 0.01ug/L Measurement accuracy: R2>0.999 Cable length: 5 meters as standard Measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread self-cleaning function: equipped with an automatic cleaner to prevent biological attachment, avoid light window pollution, and ensure long-term monitoring stability; Automatic cleaning time and frequency can be set, with a power consumption of 0.7W

1、 Product Introduction: ZS1S Online Water Quality Analyzer is an instrument that can monitor water quality COD online. It integrates water quality COD sensors and measurement modules for communication and storage, which can quickly and accurately record key parameters in water bodies. At the same time, the instrument supports the expansion of water quality multi parameter sensors, including but not limited to COD, ORP, pH value, dissolved oxygen (DO), conductivity, turbidity, ammonia nitrogen, temperature, etc. It can be combined and configured according to different needs and applications, record and store historical monitoring data and alarm history records, and support historical data export. xlsx. The RS485 interface supports the MODBUS-RTU communication protocol, allowing users to freely communicate and connect with devices such as PLC, DCS, configuration software, DTU, etc. to transmit data. 2、 Multi parameter water quality monitoring instruments are widely used for monitoring and controlling various water bodies, including but not limited to the following fields: 1. Waterworks: used to monitor the pH value, dissolved oxygen, turbidity and other parameters of tap water, ensuring the safety and hygiene of tap water. 2. Groundwater monitoring: used to monitor parameters such as pH value, conductivity, temperature, etc. of groundwater, in order to timely detect and solve water quality problems. 3. River and lake monitoring: used to monitor the water quality of rivers and lakes, such as dissolved oxygen, turbidity, ammonia nitrogen and other parameters, in order to take timely pollution control measures. 4. Ocean monitoring: used to monitor the water quality of the ocean, such as salinity, dissolved oxygen, temperature and other parameters, in order to timely detect and control marine pollution. 5. Sewage treatment: used to monitor the water quality parameters of sewage, such as pH value COD、 Ammonia nitrogen and other substances are used to control and regulate the sewage treatment process. 6. Industrial production: used to monitor the water quality status in the industrial production process, such as pH, conductivity, dissolved oxygen and other parameters, in order to adjust the process in a timely manner and ensure product quality. 7. Scientific research: used for water quality monitoring in the field of scientific research, such as eutrophication of lakes, climate change, and other studies. 3、 Technical characteristics of multi parameter water quality monitoring instrument: 1. High reliability: suitable for long-term work in outdoor environments, stable measurement, strong anti-interference ability. 2. Flexible and portable: Each probe can be freely combined and replaced independently, plug and play. 3. Scalability: Multiple sensors can be freely combined. 4. Multiple applications: rapid on-site measurement, emergency monitoring, or long-term online monitoring of groundwater, river water, lake water sources, and urban pipeline water. 5. Resilient shell: ABS+PC material, corrosion-resistant, capable of long-term continuous normal operation. 6. Compact structure: can be installed in smaller sizes. 7. Communication connection: RS485 expansion interface, isolated master/slave interface for independent communication. 4、 Multi parameter water quality analyzer technical parameters display output 4.3-inch touch screen, with LED strong backlight, can operate under direct sunlight power supply DC power supply: DC12V power consumption instrument power consumption about 12V/1W sound output buzzer communication protocol standard RS485 Modbus RTU protocol and equipment master/slave transmission channel support main materials ABS+PC material storage temperature -20 to 70 ℃ operating temperature -10 to 50 ℃ protection level IP65 size 175mm * 140mm * 49mm (length x width x height) weight about 0.5KG V. Size diagram 6, sensor configuration (optional) PH measurement principle: electrochemical (salt bridge) signal mode: RS485 (MODBUS-RTU) measurement range: 0~14 (PH) resolution: 0.01 measurement accuracy: ± 0.1kg PH ± 0.1 ℃ Cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: immersion installation, NPT3/4 thread ORP measurement principle: electrochemical (salt bridge) signal mode: RS485 (MODBUS-RTU) measurement range: -1500~+1500 (mV) resolution: 1mV measurement accuracy: ± 6 mV cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non icing),<0.2Mpa waterproof rating: IP68 installation method: immersion installation, NPT3/4 thread COD measurement principle: UV 254 absorption method dual light source measurement signal method: RS485 (MODBUS-RTU) measurement range: 0~200mg/L~500mg/L resolution: 0.1mg/L measurement accuracy: ± 5% ± 0.3 ℃ cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa waterproof level: IP68 installation method: immersion installation, NPT3/4 thread self-cleaning function: with automatic cleaner, can prevent biological attachment, avoid light window pollution, to ensure long-term monitoring still has stability; Automatic cleaning time and frequency can be set, power consumption 0.7W, conductivity EC measurement principle: contact electrode method, signal mode: RS485 (MODBUS-RTU), measurement range: 0~5000 us/cm, resolution: 1 us/cm, measurement accuracy: ± 1.5% ± 0.1 ℃, cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa, waterproof level: IP68, installation method: immersion installation, NPT3/4 thread dissolved oxygen, DO measurement principle: fluorescence lifetime method, signal mode: RS485 (MODBUS-RTU), measurement range: 0~20mg/L, resolution: 0.01mg/L, measurement accuracy: ± 2% ± 0.3 ℃, cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa Waterproof rating: IP68 Installation method: Immersion installation, NPT3/4 thread suspended solids SS measurement principle: scattered light method signal method: RS485 (MODBUS-RTU) measurement range: 0~2000mg/L resolution: 0.1mg/L measurement accuracy: ± 5% (depending on sludge homogeneity) cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non freezing),<0.2Mpa waterproof level: IP68 installation method: immersion installation, NPT3/4 thread turbidity TU measurement principle: scattered light method signal method: RS485 (MODBUS-RTU) measurement range: 0~40NTU 0~1000NTU 0~3000NTU resolution: 0.1NTU measurement accuracy: ± 1% ± 0.3 ℃ cable length: standard 5-meter measurement environment: temperature 0~50 ℃ (non freezing),<0.2NTU Mpa waterproof rating: IP68 installation method: immersion installation, NPT3/4 Thread Ammonia Nitrogen Measurement Principle: Ion Selective Electrode Method Signal Method: RS485 (MODBUS-RTU) Measurement Range: 0-100mg/l Resolution: 0.01mg/l Measurement Accuracy: ± 1mg Cable Length: Standard 5-meter Measurement Environment: Temperature 0~50 ℃ (non icing),<0.2Mpa Waterproof Rating: IP68 Installation Method: Immersion Installation, NPT3/4 Thread Chlorophyll Measurement Principle: Fluorescence Method Signal Method: RS485 (MODBUS-RTU) Measurement Range: 0-400ug/L Resolution: 0.01ug/L Measurement Accuracy: R2>0.999 Cable Length: Standard 5-meter Measurement Environment: Temperature 0~50 ℃ (non icing),<0.2Mpa Waterproof Rating: IP68 Installation Method: Immersion Installation, NPT3/4 Thread Self cleaning function: equipped with an automatic cleaner, it can prevent biological attachment, avoid light window pollution, and ensure long-term monitoring stability; Automatic cleaning time and frequency can be set, with a power consumption of 0.7W