- 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
Dissolved CO2 Sensor for Water Measurement - NDIR Technology from China Suppliers and Factory
Product Parameters
| Product Name | Dissolved CO2 in water |
| Range | 2000PPM / 10000PPM / 50000PPM range optional |
| Accuracy | ≤ ±5% FS |
| Operating Voltage | DC 5V |
| Material | Polymer Plastic |
| Working Current | 60mA |
| Output Signal | UART / Analog Voltage / RS485 |
| Cable Length | 5m, can be extended according to user need |
| Application | Tap water treatment, swimming pool water quality monitoring, and industrial wastewater treatment. |
Product Features
1. Advanced Detection Technology
🔬 NDIR Infrared Absorption Principle: Ensures high accuracy and strong anti-interference capability for dissolved CO₂ measurement.
🔬 Dual-Path Reference Compensation: Patented optical cavity and imported light source enhance stability and lifespan.
2. Flexible Output & Calibration
⚙️ Multiple Output Modes: UART, IIC, analog voltage, and PWM frequency outputs for versatile integration.
⚙️ Smart Calibration: Zero, sensitivity, and clean air calibration commands, plus a manual MCDL pin for field adjustments.
3. Durable & User-Friendly Design
🛡️ Convection Diffusion & Protective Cover: Enhances gas diffusion speed and protects the permeable membrane.
🛡️ Removable Waterproof Structure: Easy to clean and maintain, ideal for harsh or humid environments.
4. Broad Application Scenarios
🌊 Water Quality Monitoring: Ideal for aquaculture and environmental protection.
🏠 Smart Device Integration: Compatible with HVAC, robots, vehicles, and smart homes for air quality management.
5. Outstanding Technical Specifications
✅ High Accuracy: Detection error ≤±5% FS, repeatability error ≤±5%.
✅ Fast Response: T90 response time of 20s, preheating time of 120s.
✅ Long Lifespan: Over 5 years with wide temperature tolerance (-20~80°C storage, 1~50°C operation).
6. Validated Performance
🍺 Beverage CO₂ Testing: Dynamic CO₂ concentration data in beverages (e.g., beer, coke, Sprite) demonstrates reliability.
Application
🏭
Water Treatment Plants: Monitor CO₂ levels to optimize chemical dosing and prevent corrosion in pipelines.
🌱
Agriculture & Aquaculture: Ensure optimal CO₂ levels for plant growth in hydroponics or fish respiration in recirculating systems.
🌍
Environmental Monitoring: Deploy in rivers, lakes, or wastewater treatment plants to track CO₂ emissions and ensure regulatory compliance.
🍺
Beverage Industry: Validate carbonation levels in beers, sodas, and sparkling waters during production and packaging.
Digital RS485 Water Quality Sensors Technical Data
| Parameter | Model | Range | Accuracy |
| DO sensor | LMS-DO10B | 0-20mg/L, 0-60℃ | ±0.1-0.3mg/L |
| DO sensor | LMS-DO10C | 0-20mg/L, 0-60℃ | ±0.3mg/L |
| Trace DO sensor | LMS-TDO100 | 0-2000ppb, 0-50℃ | ±1ppb |
| PH sensor | LMS-PH100 | 0-14pH | ±0.02pH |
| ORP sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV |
| EC/TDS sensor | LMS-TDS102 | CT: 0-9999uS/cm; 0-100mS/cm; TDS: 0-10000ppm |
±2.5%FS |
| Salinity/EC/TDS sensor | LMS-SAL104 | Conductivity: 0.1-500 mS/cm TDS: 0-60000ppm Salinity: 0-500.00ppt |
±1.5%FS |
| COD sensor | LMS-COD100 | COD: 0.1-1500mg/L TOC: 0.1-750mg/L BOD: 0.1-900mg/L Turbidity: 0.1-4000NTU Temperature: 0-50℃ |
±5% equiv.KHP Temperature: ±0.5℃ |
| TSS sensor | LMS-TSS100 | 0-50000mg/L / 0-120000mg/L | ±10%FS or 10 mg/L |
| Turbidity sensor | LMS-TUR10L | 0-100NTU | ±10%FS or 0.3 NTU |
| Turbidity sensor | LMS-TUR10H | 0-3000NTU | ±10%FS or 0.3 NTU |
| CO2 sensor | LMS-CO2100 | 2000PPM / 10000PPM / 50000PPM | ±5%FS |
| Ammonia Nitrogen sensor | LMS-NH4100 | 0-1000 mg/L | ±5%FS |
| Ion Selective sensor | LMS-ION100 | 0-1000 mg/L | ±5%FS |
| Oil in Water sensor | LMS-OIL100 | 0-50 mg/L; 0-5 mg/L | ±3%FS |
| Chlorophyll sensor | LMS-CHL100 | 0-500ug/L | ±3%FS |
| Blue-Green Algae sensor | LMS-BGA100 | 0-2000,000 cells/ml | ±3%FS |
| Residual Chlorine sensor | LMS-HCLO100 | 0-20.00 ppm | ±5%FS |
| 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° |
Frequently Asked Questions (FAQ)
What measurement ranges are available for the dissolved CO₂ sensor?
The dissolved CO₂ sensor (LMS-CO2100) offers three selectable measurement ranges: 2000 PPM, 10000 PPM, and 50000 PPM, making it suitable for a wide variety of water quality monitoring applications.
What output signal options does the dissolved CO₂ sensor support?
The sensor supports multiple output modes including UART, analog voltage, and RS485, allowing flexible integration with different data acquisition systems, PLCs, and microcontrollers.
How accurate is the dissolved CO₂ sensor?
The sensor achieves an accuracy of ≤±5% FS (Full Scale) with a repeatability error of ≤±5%, ensuring reliable and consistent CO₂ measurements in water across various environments.
What is the operating temperature range and lifespan of the sensor?
The sensor operates between 1°C and 50°C and can be stored in temperatures ranging from -20°C to 80°C. With proper use, the sensor has a lifespan of over 5 years.
Can the cable length be customized for specific installation requirements?
Yes. The standard cable length is 5 meters, but it can be extended according to user needs, making it adaptable for various field installations including deep water monitoring or remote deployments.
What industries and applications is the dissolved CO₂ sensor suitable for?
The sensor is suitable for a wide range of applications including tap water treatment, swimming pool water quality monitoring, industrial wastewater treatment, aquaculture, environmental monitoring, and beverage industry carbonation validation.