- 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
Portable CO₂ Analyzer for Water - China Suppliers & Factory - Accurate NDIR Dissolved Carbon Dioxide Sensor
Product Parameters
| Product Name | Dissolved Carbon Dioxide Analyzer in Water |
| Range | 2000PPM / 10000PPM / 50000PPM range optional |
| Accuracy | ≤ ±5% FS |
| Operating Voltage | Sensors: DC 12~24V; Analyzer: Rechargeable lithium battery with 220V to DC charging adapter |
| 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. Precision Measurement Technology
NDIR Dual-Beam Compensation: Minimizes environmental interference for stable readings.
Self-Cleaning Membrane Design: PTFE membrane with convection diffusion accelerates gas exchange while preventing contamination.
2. Intelligent Calibration & Flexibility
Multi-Point Calibration: Supports zero, span, and ambient air adjustments via software or hardware (MCDL pin).
Universal Compatibility: Seamless integration with PLCs, SCADA, and IoT platforms through Modbus-RTU protocol.
3. Robust & Maintenance-Friendly
Modular Waterproof Structure: Detachable sensor head simplifies cleaning and membrane replacement.
Extended Durability: Corrosion-resistant materials ensure 5+ years lifespan in high-humidity or saline environments.
4. Cross-Industry Applications
Water Management: Optimize CO₂ levels in aquaculture, hydroponics, and municipal water treatment.
Industrial Compliance: Monitor emissions in wastewater plants to meet EPA/ISO standards.
Beverage Production: Real-time carbonation tracking for beer, soda, and sparkling water quality control.
Application
💧
Water Treatment Plants
Real-time monitoring of dissolved CO₂ concentrations enables precise optimization of coagulant dosing ratios while inhibiting metal pipeline corrosion risks in water distribution networks.
🌱
Agriculture & Aquaculture
Maintain 300–800ppm CO₂ levels to enhance photosynthetic efficiency in hydroponic greenhouses and ensure optimal gas exchange for aquatic organisms in recirculating aquaculture systems (RAS).
🌍
Environmental Monitoring
Deploy in rivers, lakes, or wastewater treatment plants to track CO₂ emissions and ensure regulatory compliance.
🍺
Beverage Production
Quantify dissolved CO₂ within 2,000–5,000ppm range to verify carbonation consistency during bottling processes, ensuring sensory quality compliance with food safety standards.
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; Temp: 0-50℃ | ±5% equiv.KHP; Temp: ±0.5℃ | 0.01mg/L equiv.KHP |
| 9 | ![]() |
TSS sensor | LMS-TSS100 | 0-50000mg/L / 0-120000mg/L | ±10%FS or 10mg/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 | 0-2,000,000 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 | Temp: -3℃–45℃; Velocity: 0-500 cm/s; Direction: 0-359.9° | ±0.05℃; ±1cm/s or ±2%; ±2° | 0.001℃; 0.1cm/s; 0.1° |
| Water Quality Analyzer Equipment | ||||||
| No. | Picture | Product Name | Model | Size | Power | Display Output |
| 20 | ![]() |
Portable DO Analyzer | LMS-PA100 | 100mm × 204mm | <0.5W; 7.5V, 5 batteries | LCD display screen |
| 21 | ![]() |
Multi-parameter Portable 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 | 180mm × 230mm × 100mm | AC 220VAC | 7-inch touch screen |
Frequently Asked Questions (FAQ)
Q
What measurement ranges are available for the Dissolved CO₂ Analyzer?
The analyzer supports three selectable ranges: 2000 PPM, 10000 PPM, and 50000 PPM, making it suitable for a wide variety of water quality monitoring applications from drinking water treatment to industrial wastewater.
Q
What output signals does the CO₂ sensor support?
The sensor supports UART, analog voltage, and RS485 (Modbus-RTU) output signals, allowing seamless integration with PLCs, SCADA systems, and IoT platforms.
Q
How is the dissolved CO₂ sensor calibrated?
The sensor supports multi-point calibration including zero-point, span, and ambient air calibration. Calibration can be performed via software or hardware using the MCDL pin, ensuring high measurement accuracy over time.
Q
Is the sensor suitable for long-term outdoor or industrial deployment?
Yes. The sensor features a modular waterproof structure with corrosion-resistant materials, designed for a lifespan of 5+ years even in high-humidity or saline environments. The detachable sensor head also simplifies maintenance and membrane replacement.
Q
What industries or applications is this dissolved CO₂ analyzer best suited for?
This analyzer is widely used in water treatment plants, aquaculture and hydroponics, environmental monitoring (rivers, lakes, wastewater plants), and beverage production (carbonation control for beer, soda, and sparkling water).
Q
Can the cable length be customized, and what power supply does the analyzer require?
The standard cable length is 5 meters and can be extended based on user requirements. The sensor operates on DC 12–24V, while the portable analyzer is powered by a rechargeable lithium battery with a 220V to DC charging adapter included.





























