

Extech EA80 Indoor Air Quality Meter/Data Logger
The Extech EA80 is a handheld indoor air quality meter designed to measure carbon dioxide (CO₂), temperature, relative humidity (RH), dew point, and wet bulb temperature. It features a maintenance-free dual-wavelength NDIR CO₂ sensor with a range of 0 to 6,000 ppm. The device offers both continuous and manual data logging capabilities, allowing for up to 20,000 data sets to be stored automatically or 99 sets manually. Additional features include programmable alarms, data hold, maximum/minimum recording with time stamps, and easy calibration in fresh air.
Description
The Extech EA80 is engineered for professionals requiring accurate and reliable indoor air quality measurements. Utilizing a dual-wavelength NDIR CO₂ sensor, it provides precise CO₂ readings up to 6,000 ppm. The device also measures ambient temperature from -4 to 140°F (-20 to 60°C) and relative humidity from 10 to 95%, with corresponding dew point and wet bulb calculations.
Designed for ease of use, the EA80 features a large LCD display with backlighting, allowing for clear readings in various lighting conditions. The device supports both continuous and manual data logging, with the ability to store up to 20,000 data sets automatically or 99 sets manually. Logged data can be transferred to a PC via the included RS-232 interface and compatible software, facilitating detailed analysis and record-keeping.
The EA80 is powered by six AAA batteries, offering approximately 8 hours of operation without backlight or alarm functions. For extended use, an optional AC adapter is available. The device is housed in a compact, durable enclosure, making it suitable for both field and laboratory applications.
Features
- CO₂ Measurement Range: 0 to 6,000 ppm with 1 ppm resolution.
- Temperature Measurement: -4 to 140°F (-20 to 60°C) with 0.1°F/°C resolution.
- Humidity Measurement: 10 to 95% RH with 0.1% resolution.
- Dew Point and Wet Bulb Calculations: Provides additional environmental parameters.
- Data Logging: Continuous logging of up to 20,000 sets or manual logging of 99 sets.
- Data Transfer: RS-232 interface for PC connectivity and data analysis.
- Alarms: Programmable audible and visual alarms for CO₂ levels.
- Calibration: Easy calibration in fresh air for CO₂ sensor.
- Power Supply: Operates on six AAA batteries or optional AC adapter.
- Display: Large LCD with backlighting for clear visibility.
Includes
- Six AAA batteries
- Windows 95/98/NT/2000/ME/XP compatible software
- RS-232 interface cable