- Multi-parameter Water Analyzer
- Single-Parameter Water Aalyzer
- DO Sensor
- Trace DO Sensor
- CO₂ Sensor
- COD Sensor
- EC TDS Sensor
- Salinity EC TDS Sensor
- TSS Sensor
- Turbidity Sensor
- PH Sensor
- ORP
- Ion Selective Sensor
- Ammonia Nitrogen Sensor
- Oil in Water Sensor
- Blue-Green Algae Sensor
- Chlorophyll Sensor
- Residual Chlorine Sensor
- Marine Current Sensor
0102030405
China Suppliers Factory Multi-Parameter Water Quality Sensor for BOD, TOC, COD, Turbidity, and Temperature
Product Parameters
| Product Name | COD Sensor | |
| Model | LMS-COD100H | LMS-COD100L |
| Range |
COD: 0.1~1500mg/L ; 0.1~500mg/L TOC: 0.1~750mg/L BOD: 0.1~900mg/L Turbidity: 0.1 ~ 4000 NTU Temperature range: 0 to 50℃ |
COD: 0.1~500mg/L TOC: 0.1~200mg/L BOD: 0.1~300mg/L Turbidity: 0.1 ~ 1000 NTU Temperature range: 0 to 50℃ |
| Measurement Method | Ultraviolet absorption method | |
| Accuracy | <5% equiv.KHP Temperature: ±0.5℃ |
|
| Power | 9-24VDC (Recommend 12 VDC) | |
| Material | 316L Stainless Steel | |
| Size | 32mm * 200mm | |
| IP Protection | IP68 | |
| Output | RS-485, MODBUS Protocol | |
| Certificate | CE, ISO9001 | |
Product Features
1
Dual-Model Multi-Parameter Detection
Equipped with LMS-COD100H and LMS-COD100L two models to meet different range monitoring needs, a single sensor can simultaneously measure COD, TOC, BOD, turbidity and temperature, reducing the number of equipment deployment and the complexity of the monitoring system.
2
Reagent-Free & Environmentally Friendly
The whole detection process does not need to add any chemical reagents, which not only eliminates the risk of secondary pollution to the water body, but also saves the long-term reagent purchase cost, and is more in line with the environmental protection requirements of ecological monitoring.
3
Intelligent Anti-Interference & High Precision
It has automatic turbidity interference compensation function, which can eliminate the measurement error caused by suspended particles in water; at the same time, it is not affected by chloride ions, ensuring that the detection data is accurate and stable, with the accuracy of COD and other parameters less than 5% equiv.KHP.
4
Self-Cleaning & Low Maintenance
The integrated self-cleaning brush can automatically remove the biological attachments on the sensor surface, effectively extending the maintenance cycle, and the equipment has the characteristics of low failure rate, reducing the later operation and maintenance workload of users.
5
Fast Response & Easy Integration
The sensor can output detection results within tens of seconds, realizing real-time monitoring of water quality; it supports RS-485 digital output and Modbus protocol, which can be quickly connected to various industrial control systems and IoT platforms, with simple operation and strong compatibility.
Application
A
Municipal & Industrial Wastewater Treatment
For municipal sewage treatment plants and industrial wastewater discharge points, the dual-model sensor can be selected according to the pollution degree of water body. It can monitor COD, BOD and other key indicators in real time to ensure that the effluent meets the discharge standards, and the turbidity and temperature data can also assist in optimizing the treatment process and reducing energy consumption.
B
Ecological Water Body Monitoring
In rivers, lakes and reservoirs, the reagent-free design of the sensor avoids damaging the ecological environment of the water body, and the multi-parameter detection can comprehensively reflect the organic pollution and turbidity changes of the water body, providing a basis for water ecological restoration and protection.
C
Aquaculture Water Quality Management
In fish and shrimp breeding ponds, the sensor can monitor the content of organic matter (COD/BOD) and turbidity of the water body in real time. When the index exceeds the standard, it can give an early warning in time, helping farmers adjust the water quality in time and maintain the healthy growth environment of aquatic products.
D
Process Water Monitoring in Food & Pharmaceutical Industry
In food processing, pharmaceutical production and other fields, the sensor can monitor the quality of process water to prevent organic pollution from affecting product quality, and its high stability and anti-interference performance can adapt to the complex water quality environment in the production workshop.
More Products
| Digital RS485 Water Quality Sensors Technical Data | ||||||
| No. | Picture | Product Name | Model | Range | Accuracy | Resolution |
| 1 |  |
DO sensor | LMS-DO10B | 0-20mg/L, 0-60℃ | ±0.1-0.3mg/L | 0.01mg/L |
| 2 |  |
DO sensor | LMS-DO10C | 0-20mg/L, 0-60℃ | ±0.3mg/L | 0.01mg/l |
| 3 |  |
Trace DO sensor | LMS-TDO100 | 0-2000ppb, 0-50℃ | ±1ppb | 1ppb |
| 4 |  |
PH sensor | LMS-PH100 | 0-14pH | ±0.02pH | 0.01pH |
| 5 | |
ORP sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV | 0.1mV |
| 6 |  |
EC/TDS sensor | LMS-TDS102 | CT: 0-9999uS/cm; 0-100mS/cm; TDS: 0-10000ppm |
±2.5%FS | 1uS/cm, 0.01mS/cm 1ppm |
| 7 |  |
Salinity/EC/TDS sensor | LMS-SAL104 | Conductivity: 0.1-500 mS/cm TDS: 0-60000ppm Salinity: 0-500.00ppt |
±1.5%FS | 1uS/cm, 0.01mS/cm 1ppm, 0.01ppt |
| 8 |  |
COD sensor | LMS-COD100 | COD: 0.1-1500mg/L TOC: 0.1-750mg/L BOD: 0.1-900mg/L Turbidity: 0.1-4000NTU Temperature range: 0-50 ℃ |
±5% equiv.KHP Temperature: ± 0.5 ℃ |
0.01mg/L equiv.KHP |
| 9 |  |
TSS sensor | LMS-TSS100 | 0-50000mg/L / 0-120000mg/L | ±10%FS or 10 mg/L | 0.1mg/L or 1mg/L |
| 10 |  |
Turbidity sensor | LMS-TUR10L | 0-100NTU | ±10%FS or 0.3 NTU | 0.01NTU |
| 11 | |
Turbidity sensor | LMS-TUR10H | 0-3000NTU | ±10%FS or 0.3 NTU | 0.01NTU |
| 12 |  |
CO2 sensor | LMS-CO2100 | 2000PPM / 10000PPM / 50000PPM | ±5%FS | 1ppm |
| 13 |  |
Ammonia Nitrogen sensor | LMS-NH4100 | 0-1000 mg/L | ±5%FS | |
| 14 | |
Ion Selective sensor | LMS-ION100 | 0-1000 mg/L | ±5%FS | |
| 15 | |
Oil in Water sensor | LMS-OIL100 | 0-50 mg/L ; 0-5 mg/L | ±3%FS | 0.01ppm |
| 16 | |
Chlorophyll sensor | LMS-CHL100 | 0-500ug/L | ±3%FS | 0.1ug/L |
| 17 | |
Blue-Green Algae sensor | LMS-BGA100 | 0-2000,000 cells/ml | ±3%FS | |
| 18 |  |
Residual Chlorine sensor | LMS-HCLO100 | 0 - 20.00 ppm | ±5%FS | 0.001 / 0.01ppm |
| 19 |  |
Marine Current sensor | LMS-Current100 | Temperature: -3℃ - 45℃ Velocity of flow: 0-500 cm/s Flow direction: 0-359.9° |
±0.05℃ ±1 cm/s or ±2% ±2° |
Temperature: 0.001℃ Velocity of flow: 0.1 cm/s Flow direction: 0.1° |
| Water Quality Analyzer Equipment | ||||||
| No. | Picture | Product Name | Model | Size | Power | Display Output |
| 20 |  |
Protable DO Analyzer | LMS-PA100 | 100mm*204mm | < 0.5 W Power supply 7.5V, 5 batteries | LCD display screen |
| 21 |  |
Multi-parameter Protable Water Analyzer | LMS-PA100P | 220mm*120mm*100mm | Rechargeable lithium battery with 220v to dc charging adapter | LCD display screen |
| 22 |  |
Multi-parameter Touch-screen Online Analyzer | LMS-OA200T | 180mmx230mmx100mm | AC power supply: 220 VAC | 7-inch touch screen |
Frequently Asked Questions
What parameters can the LMS-COD series sensor measure simultaneously?
The LMS-COD series sensor is designed for multi-parameter detection. It can simultaneously measure Chemical Oxygen Demand (COD), Total Organic Carbon (TOC), Biochemical Oxygen Demand (BOD), Turbidity, and Temperature using a single integrated probe.
How does the sensor perform measurements without chemical reagents?
The sensor utilizes the ultraviolet (UV) absorption method. It measures the absorption of UV light by organic matter in the water at specific wavelengths. This physical measurement process is reagent-free, environmentally friendly, and eliminates secondary chemical pollution.
What is the difference between LMS-COD100H and LMS-COD100L?
The key difference lies in their measurement ranges. LMS-COD100H is designed for higher concentration applications, supporting COD ranges up to 1500mg/L and Turbidity up to 4000 NTU. LMS-COD100L is optimized for lower concentration monitoring with highly sensitive ranges up to 500mg/L COD and 1000 NTU Turbidity.
Does the sensor require frequent manual cleaning?
No, the sensor features an integrated automatic self-cleaning brush. This built-in system automatically sweeps away biological attachments and suspended solids from the optical window, significantly reducing maintenance frequency and ensuring long-term accuracy.
How does the sensor manage turbidity interference?
The sensor is equipped with an intelligent automatic turbidity compensation function. It utilizes a secondary optical measurement path to detect suspended solids and calculate compensation algorithms, ensuring stable and reliable COD readings even in highly turbid water.
What industrial outputs and protocols does the sensor support?
The sensor supports standard RS-485 digital output and uses the Modbus RTU communication protocol. This allows seamless integration with PLC systems, SCADA, industrial controllers, and various IoT platforms.