Compteur de qualité de l'air intérieur avec enregistrement de données et certificat ISO

• Measures oxygen (O₂), carbon dioxide (CO₂), carbon monoxide (CO), temperature and humidity
• Records up to 3 readings simultaneously
• User adjustable audible alarms
• User selectable unit of measure (°C or °F)
• Data hold and max/min functions
• Real-time data logger with integral SD memory card
• Certification(s)
• Large, easy-to-read backlit LCD display

Specifications:
CO2 Range: 0 - 1000 ppm
Temperature Range: 32°- 122° F ( 0° - 50° C )
Humidity Range: 5% - 95% RH
Alarm Threshold: <18% O₂
Display: 4-Digit Dual LCD
Power Supply: 6 AA Batteries, AC Adapter (Not Included)
Certification(s): CE