CO₂ Transmitter
Atmos Series - CD50
Key Features of CO₂ Transmitter
- High Accuracy and Stability
- Wide Measuring Range
- Ruggedized Enclosure
- Compact and Durable Design
- User-Friendly Configuration
- Easy to Install and suitable for Wall Mounting
The Polwax CO₂ Transmitter CD50 is a high-precision industrial carbon dioxide sensor designed to provide continuous CO₂ monitoring with reliable outputs for automation, HVAC, and air quality applications.The Polwax CD50 is a cutting-edge carbon dioxide CO2 transmitter made to provide precise and trustworthy CO2 concentration readings in a variety of settings. The carbon dioxide CD50 guarantees reliable performance for both indoor and industrial applications thanks to its precise and long-lasting engineering.
The imported sensor is integrated into the sensor shell, which has a high measurement accuracy, and the gas-permeable membrane on the sensor shell has strong gas permeability, allowing the gas in the environment to flow freely. Fast Reaction. For the product, our firm offers a one-year warranty. The service life is up to five years under typical conditions. Our CO2 sensor enclosure is resistant to damage and is both dustproof and waterproof.
Product Overview
The Polwax CD50 CO₂ Transmitter is an advanced carbon dioxide monitoring solution designed for accurate, stable, and long-term environmental measurement. Engineered with precision sensing technology and a robust industrial design, it delivers reliable real-time CO₂ data for indoor air quality management and industrial safety applications.
Equipped with a high-precision sensor and fast response capability, the CD50 ensures consistent and accurate CO₂ detection, enabling timely control of ventilation and environmental conditions. It supports multiple output options including 4–20 mA, 0–10 V, and RS-485 Modbus RTU, allowing seamless integration with HVAC systems, BMS, PLCs, and greenhouse automation platforms.
Housed in a rugged IP65-rated enclosure, the CD50 is dustproof and water-resistant, making it suitable for demanding indoor and semi-outdoor environments. Its compact, industrial-grade ABS housing enables easy wall or pole mounting, while low power consumption and temperature compensation ensure dependable performance over extended periods. Ideal for commercial buildings, greenhouses, manufacturing facilities, and smart infrastructure, the Polwax CD50 offers a balanced combination of accuracy, durability, and cost-effective air quality monitoring.
The Polwax CD50 CO₂ Transmitter is designed to meet the monitoring needs of diverse environments where accurate carbon dioxide measurement is critical. In commercial buildings and HVAC systems, it helps maintain healthy indoor air quality by enabling efficient ventilation control based on real-time CO₂ levels.
For greenhouses and agricultural facilities, the CD50 supports optimal plant growth by monitoring and regulating CO₂ concentration, ensuring stable conditions for enhanced productivity. In industrial plants and confined workspaces, it enhances worker safety by continuously tracking CO₂ levels and triggering timely alerts or control actions.
The transmitter is also well suited for smart buildings, laboratories, schools, hospitals, and public facilities, where reliable air quality data is essential for comfort, compliance, and energy efficiency. With multiple output options and seamless integration into BMS, PLC, and automation systems, the Polwax CD50 delivers dependable performance across a wide range of real-world applications.
Applications
Indoor Air Quality Management
The Polwax CO₂ Transmitter enables precise monitoring of carbon dioxide levels in offices, schools, hospitals, and commercial buildings. By providing real-time CO₂ data, it helps optimize HVAC and ventilation systems, ensuring healthier indoor environments, improved occupant comfort, and enhanced energy efficiency.
Greenhouse Climate Control
In greenhouse and controlled agriculture environments, the Polwax CO₂ Transmitter supports optimal plant growth by accurately measuring and regulating CO₂ concentration. It enables automated CO₂ enrichment and ventilation control, helping maintain ideal conditions for improved crop yield and consistent growth.
Industrial Safety
For industrial facilities and confined workspaces, the Polwax CO₂ Transmitter enhances worker safety by continuously monitoring CO₂ levels. Integrated with PLCs and safety systems, it provides early detection of elevated CO₂ concentrations, enabling timely corrective actions to prevent hazardous conditions.
Technical Specifications
| Measurement Range | 0–2000 ppm / 0–5000 ppm / 0–10000 ppm |
| Accuracy |
5000 ppm: ±(50 ppm + 3% F·S) @ 25°C 10000 ppm: ±(50 ppm + 5% F·S) @ 25°C |
| Resolution | 1 ppm |
| Warm-up Time | 2 minutes (typical), 10 minutes (maximum) |
| Sensor Type | High-precision photodiode |
| Output Options | 4–20 mA, 0–10 V |
| Output Signals | RS485 (Modbus RTU), 4–20 mA, 0–5 V, 0–10 V |
| Communication Protocol | MODBUS RTU |
| Power Supply | 12–24 V DC |
| Stability | < 2% F·S |
| Non-linearity | < 1% F·S |
| Data Update | 2 seconds |
| Humidity Range | 0–95% RH (Non-condensing) |
| Protection Rating | IP65 (Water-resistant & Dustproof) |
| Housing Material | Industrial-grade ABS |
| Mounting Options | Wall Mount, Pole Mount |
| Process Connection | High-strength, Dustproof & Waterproof |
CO₂ Transmitter
The Polwax CO₂ Transmitter is designed for accurate and continuous monitoring of carbon dioxide levels in indoor and industrial environments. It provides real-time CO₂ data to automation and ventilation systems, making it ideal for indoor air quality management, greenhouse climate control, and industrial safety applications.
Product Category
CO₂ Transmitter
Model: CD50
Accurate CO₂ Measurement
Delivers precise and stable CO₂ concentration readings for critical environments.
Fast Response
Enables quick detection of CO₂ level changes for timely control actions.
Multiple Output Options
Supports 4–20 mA, 0–10 V, and RS485 (Modbus RTU) outputs.
Industrial-Grade Design
IP65-rated enclosure ensures reliable operation in demanding environments.
Smart System Integration
Seamless integration with HVAC, BMS, PLC, and automation systems.
Energy Efficient
Low power consumption with temperature compensation for long-term stability.
Wide Applications
Ideal for offices, greenhouses, factories, laboratories, and smart buildings.
