YESAIR 8-Channel Indoor Air Quality Monitor

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The YESAIR is a battery powered, portable air quality detection and data logging instrument designed for intermittent or continuous indoor air quality monitoring of temperature, RH, particulates and up to 5 gases. It is available in two models (Pump or Diffusion). Each can be configured as a multi-channel operation, with a selection of more than 30 different plug and play gas sensors, including a particulate sensor and an optional huge capacity data logging SD memory card.

Both models come with one temperature sensor, one relative humidity (RH) sensor and the capacity for 5 internal gas sensors consisting of a maximum of three electrochemical toxic gas or oxygen sensors plus two high current draw sensors such as an infrared, PID, catalytic or particulate sensor. Sensor readings, battery level and data logging status can be viewed live on the multi-line, backlit, LCD display.

  • Ammonia
  • Arsine
  • Carbon Dioxide
  • Carbon Monoxide
  • Chlorine
  • Chlorine Dioxide
  • Ethylene
  • Ethylene Oxide
  • Fluorine
  • Formaldehyde
  • Hydrogen
  • Hydrogen Chloride
  • Hydrogen Cyanide
  • Hydrogen Fluoride
  • Hydrogen Sulfide
  • Methane
  • Nitric Oxide
  • Nitrogen Dioxide
  • Oxygen
  • Ozone
  • Phosphine
  • Silane
  • Sulphur Dioxide
  • TVOCs
More Information
BrandsCritical Environment Technologies
Detection Points1
DisplayGraphic LCD
Intrinsically SafeNo
Detection PrincipleElectrochemical
ManufacturerCritical Environment Technologies
Product TypeIndoor Air Quality
Product UsePortable
Dimensions7.8 x 3.1 x 3.9"
Detection RangeVariable by Gas
Event Log StorageYes
Battery Life12 Hours
AlarmsAudible & Visual
Operation Temperature32°F to +104°F (0°C to 40°C)