In-Duct Mount CO2 Transmitter

In-Duct Mount CO2 Transmitter

The In-Duct Mount CO2 Transmitter is a cutting-edge solution for precise, real-time monitoring of carbon dioxide levels in air ducts. Designed for commercial and industrial HVAC systems, it also offers optional temperature and relative humidity sensing for a comprehensive analysis of indoor air quality (IAQ). This versatile transmitter ensures a reliable, accurate, and user-friendly experience, making it an essential tool for air quality management.

Key Features

• Real-Time Monitoring: Accurately detects carbon dioxide levels in air ducts to maintain optimal air quality.
• Optional Temperature & Humidity Sensing: Provides precise measurements of temperature and relative humidity for a complete IAQ profile.
• Waterproof Sensor Probe: The sensor probe features a porous film for durability and reliable operation in demanding duct environments.
• Configurable Analog Outputs: Offers up to three analog outputs (0-10V or 4-20mA) for CO2, temperature, and humidity measurements, with inverse proportional output options for flexible HVAC control.
• Modbus RS485 Communication: Includes an optional Modbus RS485 interface for seamless integration with building management systems, supporting up to four measurements.
• LCD Display Option: Available with or without an easy-to-read LCD display for real-time data visualization.
• Easy Installation: Designed for simple mounting into air ducts with a 100mm installation hole size.

Sensing Technology

• CO2: Non-Dispersive Infrared Detector (NDIR) for high accuracy and reliability.
• Temperature & Humidity: Digital combined sensor for precise environmental data.

Measurement Ranges

• CO2: 0-2000 ppm (default) or 0-5000 ppm (selectable at order).
• Temperature: 0℃ to 50℃ (32℉ to 122℉).
• Relative Humidity: 0% to 100% RH.

Performance Specifications

• CO2 Accuracy: ±60 ppm + 3% of reading.
• Temperature Accuracy: ±0.5℃ for the range 0℃ to 50℃.
• Humidity Accuracy: ±3% RH (20%-80% RH).
• Response Time: CO2 < 2 minutes (90% change); Relative Humidity < 10 seconds (63% change).
• Display Resolution: CO2 (1 ppm), Temperature (0.1℃), Humidity (0.1% RH).

Advanced Calibration

• Self-Calibration: Features Automatic Baseline Correction (ABC) logic for consistent long-term accuracy, reducing the need for manual recalibration.

Operating & Installation Conditions

• Operating Conditions: 0℃ to 50℃ (32℉ to 122℉), 0% to 95% RH (non-condensing).
• Storage Conditions: 0℃ to 50℃ (32℉ to 122℉), 5% to 80% RH.
• IP Protection: IP50 housing for units without LCD, IP40 for units with LCD.
• Weight: 320g.
• Power Supply: 24VAC/VDC, with power consumption of 3.5W max. (2.5W average).

Electrical Characteristics

• Analog Outputs: Two or three configurable outputs (0-10VDC default, 0-5VDC or 4-20mA selectable by jumpers or at order).
• Modbus RS485 Interface: Optional, supports Modbus protocol with 19200bps communication rate, 15KV antistatic protection, and independent base address.

Standards & Certifications

• Certified CE-Approval for compliance with international safety and quality standards.

Applications

The In-Duct Mount CO2 Transmitter is ideal for HVAC systems in commercial buildings, industrial facilities, laboratories, and cleanrooms. It ensures proper ventilation, energy efficiency, and occupant comfort by providing accurate and actionable air quality data.

With its robust features and advanced technology, the In-Duct Mount CO2 Transmitter is your go-to solution for maintaining exceptional indoor air quality and optimizing HVAC system performance.