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Reinraumsteuerung und Umweltüberwachungssysteme
Kohlendioxid-Sensor
A wall-mounted NDIR sensor that measures carbon dioxide concentration for occupancy-related ventilation and cleanroom environmental trending.
- NDIR CO₂ Measurement
- Long-Term Optical Stability
- Ventilation Demand Signal
- Selectable 0-10 V, 4-20 mA or Fieldbus Output
Produkteinführung
The carbon dioxide sensor uses non-dispersive infrared absorption to measure CO₂ without consuming a reactive sensing material. Room air diffuses through protected openings into the optical chamber, where wavelength-selective measurement separates carbon dioxide absorption from the reference signal. Temperature compensation and baseline-management options support stable indoor operation. Selectable voltage, current or network outputs let ventilation controls, environmental monitoring and room displays use the same measured concentration.
Key Features
A dual-channel or reference-compensated design reduces long-term light-source drift.
Ventilated wall housing samples occupied-zone air while protecting the optical chamber.
Configurable analog and network outputs support both HVAC control and monitoring.
Kunden Produktbedenken
CO₂ measurements are most useful when the sensor sees representative room air and its baseline behavior matches the occupancy pattern.
A sensor near a door or supply diffuser responds to transient air instead of the occupied zone.A stable wall location away from direct drafts provides a more representative room sample.
Automatic baseline correction is unsuitable for continuously occupied spaces.Selectable baseline strategy allows fixed or manually referenced calibration where CO₂ never falls to outdoor levels.
Dust or cleaning spray enters the optical path.Protected diffusion vents and an easy-wipe enclosure reduce direct contamination.
Ventilation controls and monitoring use separate sensors that disagree.Multiple outputs distribute one measured value to both systems.
Typische Anwendungen
Occupied cleanroom ventilationLaboratory room monitoringControlled production suitesClean corridors and support areas
Technische Parameter
Typical materials and dimensions for a wall-mounted NDIR carbon dioxide sensor are listed below.
| Core Material | NDIR optical chamber with infrared source and detector in flame-retardant polycarbonate housing |
|---|---|
| Panel Dicke | 30-50 mm sensor depth |
| Effektive Breite | 90-130 mm housing width |
| Maximale Länge | Up to 150 mm housing height |
| Stahl facing Dicke | 0 mm; non-metallic wall enclosure |
| Kerndichte | 1180-1220 kg/m³ for polycarbonate housing material |
| Thermische Leitfähigkeit | 0.19-0.22 W/(m·K) for polycarbonate enclosure |
| Oberfläche Finish | Smooth white housing with black display window and green status indicator |
| Gemeinsamer Typ | Rear wall-mount base with protected diffusion vents and pluggable signal terminal |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Display or blank faceVoltage or 4-20 mA outputModbus or BACnet communicationSelectable baseline correction
Planning a Carbon Dioxide Sensor specification?
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