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Optical Particle Counter

Learn Whether or Not You Need an Optical Particle Counter for Your Lab Setting.

An optical particle counter is a sophisticated instrument that detects and measures particles present in liquids and in the air. While liquid particle counters have many uses in industry, it is the aerosol particle counters that affects individual lives most of all.

An optical particle counter detects and measures particles by either light blocking or light scattering. As the air passes through a laser beam, particles in the air either block the light or scatter it. The amount of light blocked or scattered in an optical particle counter is picked up by a photo detector which measures the dimensions of the particles. By refraction and diffraction, an optical particle counter measures the size and number of particles present in the sample being tested.

Types of Optical Particle Counters

There are a few different types of these particle counters including the following:
  • Handheld – This convenient, but powerful optical particle counter allows you to test the air quality in your home or workplace on the go, so to speak.
  • Portable – Although not as small as the handheld particle counter, this type can sit in one place or be moved around on a tray, therefore allowing it to function as a standalone instrument or as part of a central monitoring system.
  • Remote – A remote optical particle counter is a system in which small counters are placed in each room or section. The ifnormation gathered by these units is fed to a central monitoring location, which in turn controls the individual terminals.
No matter what kind of optical particle counter you need for your laboratory equipment needs, you will no doubt find them in our online store.


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