Reed R9905 Data Logging Indoor Air Quality Meter Temperature Humidity & C02

The Reed R9905 Data Logging Indoor Air Quality Meter measures carbon dioxide (CO2), temperature, humidity, and automatically calculates time-weighted average (TWA) and short-term exposure limit (STEL). This Indoor Air Quality (IAQ) meter features a nondispersive infrared (NDIR) CO2 sensor for stable, accurate readings and the option to track live measurements via the included software.

• Measure and Record Temperature, Humidity and Carbon Dioxide
• Recorded Data to Internal Memory with Easy Analysis Using Microsoft® Excel®
• 1 Second to 60 Minute User-Selectable Sampling Rate
• LCD Display Shows Current Readings, Max and Min Readings, Alarm and Battery Status
• 10 Hours of Typical Battery Life (Dependant Upon Environment, Display and Sampling Rate)
• Powered by 9-Volt Alkaline User-Replaceable Batteries
• Available with Carbon Dioxide (CO2), Temperature and Humidity Calibration
• Includes Temperature, Humidity and Carbon Dioxide Sensors, USB Cable, Hard Carrying Case and 9-Volt Battery