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Eight-stage Andersen Cascade Impact Sampler

Application

Inhalation Toxicology, Environmental Protection, Labor Health, Atmospheric Science, etc.

TEL86-10-56370031

Description

Features

Specification

Standards

Video

The instrument is a multi-stage and multi-hole cascade impactor, used to measure size distribution and total content degree of various solid and liquid particles in the air. At a certain airflow velocity, some particles with higher inertia will impact collection plate, while particles with smaller inertia will go around with airflow and enter into the next stage. Particles with different aerodynamic equivalent diameters will impact on collection plate under certain conditions of orifice geometry and airflow velocity.

Sampling flow rate is 28.3L/min.

Each stage has a detachable stainless steel collection plate.

Impactor consists of eight stages of discs with micro orifices and primary filter, particles with different aerodynamic diameters will impact on different stages collection plates.

Pre-separator is required when sampling environments containing particles > 10μm to prevent particle rebound and repeat transport.

Cutting particle size of each stage as follows:

Stage

Number of Nozzles

Cutting Diameter (μm)

0

96

9.0 

1

96

5.8 

2

400

4.7 

3

400

3.3 

4

400

2.1

5

400

1.1

6

400

0.7 

7

201

0.4 

ChP2020

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