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EXTECH EA80 Indoor Air Quality Meter/Datalogger
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Overview
Checks for Carbon Dioxide (CO2) concentrations
Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor
Continuous (20,000 sets) or manual (99 sets) datalogging
Data hold, Max/Min with Time stamp, and Alarm
Easy calibration in fresh air
Essential Info
The Extech Instruments EA80 EasyView Indoor Air Quality Meter/Datalogger measures Carbon Dioxide (CO2 , ppm) levels, ambient Temperature and Relative Humidity (%RH). Up to 20,000 readings can be logged by the meter and later transferred to a PC using the RS-232 interface. Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor. Checks air quality in schools, office buildings, greenhouses, hospitals and anywhere that high levels of carbon dioxide are generated. With careful use, this meter will provide years of reliable service.
Manuals/Software
Owner's Manual
Software Manual
What's Included
(6) AAA Batteries
AC Adapter
RS-232 Cable
Instruction Manual
Windows® 95/98/NT/2000/ME/XP Compatible Software
Specifications
Display: LCD triple display.
Display Rate: One time per second.
Low Battery Indication: The picture is displayed when the battery voltage drops below the operating voltage.
Power Supply: Six (6) AAA-size alkaline batteries or Regulated AC adapter.
Battery Life: Approx. 8 hours by using alkaline batteries (without backlight or Alarm function). If datalogging over a long period of time, use an AC adapter.
Manual Data Memory Capacity: 99 sets.
Auto Datalogging Capacity: 20,000 sets (maximum 99 blocks)
Operating Temperature Range: 5°C to 50°C (41°F to 122°F)
Storage Temperature Range: -10°C to 60°C (-14°F to 140°F)
Operating Humidity Range: 10%RH to 90%RH, non-condensing.
Storage Humidity Range: 10%RH to 90%RH, non-condensing.
Dimensions: 158 (L)x72(W)x35(H)mm, (6.22"x2.83"x1.38")
Weight: approx. 255g (including batteries)
CO2 Specifications:
Sensing Range: 0 to 6000ppm
Sensing Resolution: 1ppm
Accuracy: @ 101.4 kPa (29.92 inHg) and @ 25°C(77°F) ±3% of reading or ±50ppm, whichever is greater
Sensing Method: Dual wavelength detector with non- dispersive infrared (NDIR) sensor
Gas Sampling Mode: Diffusion
Warm up time: 10 seconds
Response time: < 10 minutes in still air
Temperature Coefficient: Add ±0.36% of reading per °C (±0.2% of reading per °F) away from calibration temperature