Air Particle Counting




New ! Lasair Pro

Particle Measuring Systems (PMS) is proud to present the latest in their flagship line of Lasair airborne particle counters. The Lasair Pro supports a complete contamination control solution including clean area monitoring (portable and remote) while meeting global requirements for data integrity. Designed for intuitive and reliable aerosol particle counting, this newest addition to the PMS fleet supports a variety of applications while meeting, and anticipating future, international cleanroom certification standards.

Designed to be easy to use, the multi-gesture touch screen interface and intuitive menu guide you through logical navigation, provide effortless learning and simple configuration. Additionally, it was specifically engineered for use where sanitization is required; the exterior of the Lasair Pro airborne particle counter can be easily cleaned using a wide variety of disinfectants and cleaning agents.

The Lasair Pro is highly adaptable, allowing you to program and manage all sampling activities locally or remotely. The unit can store up to 10,000 data samples and the collected data is securely saved and transferred meeting data integrity related standards such as FDA 21 CFR Part 11 and EU GMP Annex 11. Additionally, you can securely configure up to 100 users on each instrument or use the NFC card capabilities for unlimited users.

Read more about the Lasair Pro benefits and features below and explore what the new Lasair Pro can do for you today!                                                                                      



Lasair Pro launch

The importance of local calibration

Selecting an air particle counter

Cleanroom Classsification


Swapping the battery


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Handilaz Mini II

Range: 0.2 - 10.0 µm


The Particle Measuring Systems HandiLaz Mini II is a new low cost, handheld solution for cleanroom environmental research and troubleshooting needs.The HandiLaz Mini II is uniquely suited for applications in research and testing laboratories. This compact unit offers an unlimited number of particulate size channels from 0.2-10 μm with 10 nm channel resolution. It utilizes a miniaturized, state of the art sensor with a simple touchscreen, single button operation and advanced on-screen analysis for getting physically close to and in detail with cleanroom environments. Features include ISO classification, on-board temperature and relative humidity measurement, PM2.5 and PM10 analysis, embedded flow meter, and continuous particle logging through the integration of temperature and differential pressure input into the particle measurement for enhanced analysis.

Adding the HandiLaz Mini II to an environmental monitoring toolbox provides the benefit of advanced environmental monitoring in a highly compact package.



Particle Measuring Systems releases the HandiLaz Mini II 

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Lab Instruments

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Pharmaceutical Environmental Monitoring

Your Definitive, Modular and Turn-key Solution for Cleanroom Environmental Contamination Monitoring.
Monitor your viable and non-viable particles according to the most recent regulatory requirements. Count, report, document and manage your environmental monitoring data meeting 21 CFR Part 11 data integrity requirements.

System Configuration Examples
Our modular Systems can be configured to meet your specific needs! Here are three examples, or go here for a more complete listing of configuration examples.

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