Vaisala AQT400, User Manual

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2. Product Overview
2.1. Introduction to AQT400
Vaisala Air Quality Transmitter AQT400 measures the pollution content of ambient air. The
AQT400 series consists of two products, AQT410 and AQT420. Both models measure four
gases (CO, NO
2
, SO
2
, and O
3
) and weather data, such as humidity, air pressure, and
temperature in the ambient air. AQT420 additionally includes a laser particle counter for
PM
2.5
and PM
10
particulate measurements.
You can send the measuring data from the air quality transmitter to local systems through a
serial interface.
AQT400 is enclosed in an IP65-rated weatherproof casing and can be installed outdoors.
The units are compact but robust with no moving parts and low power consumption.
AQT400 can be used in conjunction with a PC, data logger, or other device.
The following features and components are available in AQT410 and AQT420:
• Gas measuring (CO, NO
2
, SO
2
, and O
3
)
• Installation kit
• Installation cable
• Configuration cable
The following feature is available only in AQT420:
• Particle measuring (PM
2.5
and PM
10
)
Chapter 2 – Product Overview
7