Portable NDIR CO₂ and Temperature Air Quality Monitor

Portable instrument for indoor air quality (IAQ) monitoring. CO₂ measured by NDIR — non-dispersive infrared — technology, which provides long-term stability and avoids the drift commonly seen in electrochemical sensors. Also measures ambient temperature. Compact unit supplied with carry case.

Technical Specifications

• CO₂ parameter: 0 - 9999 ppm
• CO₂ accuracy: ±30 ppm ±5% of reading (0 - 5000 ppm) / ±10% of reading above this range
• Temperature parameter: -10 to +60 °C
• Temperature accuracy: ±0.6 °C
• Sensor technology: NDIR (non-dispersive infrared)
• Power supply: 4 AA batteries (included)
• Warranty: 2 years

Measurement Functions

Max, min, average and hold functions allow readings to be captured and retained in the field. Audible alarms trigger when CO₂ levels exceed user-configured thresholds — useful during ventilation inspections where continuous screen monitoring is not practical.

Typical Applications

Air quality assessment in offices, classrooms, meeting rooms, operating theatres and any controlled-ventilation space. Also suited to HVAC system audits and compliance checks against thermal comfort and indoor hygiene regulations.

Field Use and Transport

Battery-powered — no mains connection required. The included carry case protects the instrument during transport and on-site visits.