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Particle Measuring Systems
Without measurement there is no control
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Liquid Particle Counters

Industry Leading 20 nm sensitivity for chemical and water particle counting applications

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Liquid Particle Counters

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Liquid particle counters are essential for critical contamination monitoring and measurement of ultrapure water and pure process chemicals within semiconductor and other precision manufacturing industries  as well as water/ parenterals for Life Sciences applications.

Only Particle Measuring Systems has industry leading 20 nm sensitivity. 

Whether semiconductor, aviation, pharmaceutical, or sensitive component manufacturing, controlling purity in both air and liquid is a requirement for maintaining high-quality products with maximum yield. Particle Measuring Systems manufactures particle measurement equipment to the highest industry standards, and is particularly suited for ensuring precision control in cleanroom environments.

Our industry-leading liquid particle counters provide you with reliable particle counting in DI and UPW water, as well as chemicals, to 20 nm. Choose from a variety of sensitivity ranges and mediums to find the right solution for your application.

Liquid particle counters are essential for critical measurement of ultrapure water and process chemicals within the semiconductor and other manufacturing industries. Whether semiconductor, aviation, pharmaceutical, or sensitive component manufacturing — monitoring contamination in both air and liquid is a requirement for maintaining high-quality products with maximum yield. Particle Measuring Systems (PMS) manufactures particle monitoring equipment of the highest industry standard and is particularly suited for ensuring precision control in cleanroom environments.

Liquid Particle Counters & Why They Are Beneficial

A particle counter detects physical particles present in both ultrapure water and high purity process chemicals. Controlling contamination within these critical liquid process streams is essential to improving yields.  Critical liquid particle counters are necessary to engineer clean chemical and water systems, as well as maintain these systems in clean production environments.

Liquid Particle Monitoring System

Particle counters have a variety of clean environment applications. Our liquid particle counters can determine the size, amount, and nature of particulates in liquid substrates, computer components, medical devices, sensitive equipment, or an assortment of other precision devices. Liquid particle counting systems are also able to determine the overall quality of a liquid substrate; both particulate quantity and size are important for determining the cleanliness of cleaning solutions, liquid pharmaceutical products, foods, oils, fuels, and lubricants, or various other systems where contamination must be prevented.

Liquid Particle Counting Applications

Liquid particle counters have a variety of clean manufacturing applications. Combined with our global team of application experts, we can help you control contamination in a variety of applications and locations including :

  • inline liquid particle monitoring
  • chemical quality assurance in distribution, delivery, or packaging systems
  • chemical batch sampling 
  • Point-of-process monitoring
  • Performance testing of chemical handling components
  • Quantifying particle concentration in state-of-the-art ultrapure water (UPW) systems
  • Trending analysis
  • Detecting bacterial growth in UPW systems
  • Episodic event tracking and alarming
  • Continuous system monitoring
  • Manufacturing process control
  • Immersion lithography
  • Particle level measurement in effervescent liquids
  • Process monitoring of wafer cleaning baths
  • Sampling of parts cleaning vessels
  • Pharmaceutical parenteral monitoring to U.S., EP, JP and FDA standards
  • Parts/medical device cleanliness testing
  • Laboratory water sampling for purified water testing and water for injection (WFI)
  • Filter efficiency testing

Our industry-leading liquid particle counters provide you with reliable particle counting in DI and UPW water, as well as chemicals, to 20 nm. Choose from a variety of sensitivity ranges and mediums to find the right solution for your application.

Without effective contamination measurement, proper control of liquid processes is not possible. Particle Measuring Systems (PMS) strives to set the industry standard for particle monitoring technology, providing unprecedented control, quality, and reliability of our cleanroom equipment.

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Without proper measurements, proper control of a cleanroom environment is not possible. Particle Measuring Systems (PMS) strives to set the industry standard for cleanroom technology, guaranteeing unprecedented control, quality, and reliability of our cleanroom equipment.

To find out more about how PMS can provide innovation, empowerment, and integrity to your cleanroom controls, attend our upcoming webinars, register for particle college, or contact one of our local offices.

Chemical Particle Counter: Chem 20™

Sensitivity range: 20 - 100 nm

World’s first 20 nm chemical particle counter, detects larger concentrations of particles with better statistics than competitive products.

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Chem 20™ Chemical Particle Counter

Syringe Liquid Particle Sampler: SLS-20

For Chem 20 Batch Sampling

For batch sampling applications using Particle Measuring Systems’ Chem 20 and Chem 20-HI particle counters.

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syringe liquid particle sampler SLS 20

Syringe Liquid Particle Sampler: SLS

Uses a precision syringe and simple flow-path for delivering chemical samples from a sample vessel or chemical container, directly to the particle sensor for liquid particle counter batch sampling.

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Syringe Liquid Particle Sampler

20 nm Liquid Particle Counter: Ultra DI® 20

Sensitivity range: 20 - 100 nm

Designed for ultrapure water systems, this liquid particle counter’s low zero count, large sample volume and high counting efficiency provides contamination detection at 20 nm sensitivity.

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Ultra DI® 20 Liquid Particle Counter

Liquid Particle Counter for USP 788: APSS-2000

Liquid particle counter for USP 788
Sensitivity range: 1.5 - 125 μm

Liquid Particle Counter meets USP 788; sizes & counts suspended particles in a wide range of liquids, including parenterals.

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APSS-2000 Parenteral Particle Counter

DI Water Particle Counter: Ultra DI® 50

Sensitivity range: 0.05 - 0.2 µm

DI water Particle Counter designed for ultrapure water systems: its low zero count, large sample volume and high counting efficiency provide unsurpassed performance at 50 nm sensitivity.

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Ultra DI® 50 Liquid Particle Counter

Chemical Particle Counter: UltraChem® 40

Sensitivity range: 40 - 125 nm

The UltraChem® 40 Chemical Particle Counter from Particle Measuring Systems detects 40 nm particles in chemicals with high molecular scatter.

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UltraChem® 40 Liquid Particle Counter

Liquid Particle Counter: LiQuilaz® II S Series

Sensitivity range: 0.2 – 20 µm

Liquid Particle Counting Spectrometer by Particle Measuring Systems PMS: a volumetric liquid particle counter that measures the entire stream so you know exactly what particles…

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LiQuilaz® II S Series Liquid Particle Counter

Laser Particle Counter: LiQuilaz® II E Series

Sensitivity range: 1.5 - 125 µm

Laser Particle Counter Spectrometer for Liquids: a volumetric particle counter that measures the entire liquid stream so you know exactly what particles…

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LiQuilaz® II E Series Liquid Particle Counter

Liquid Particle Counter: HSLIS-M65e

Sensitivity range: 0.065 - 0.2 μm

Particle Measuring Systems’ HSLIS M65e liquid particle counter provides continuous, real-time particle monitoring of contamination levels in corrosive liquids, including hydrogen fluoride (HF).

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HSLIS-M65e Liquid Particle Counter

Chemical Particle Counter: HSLIS-M100e

Sensitivity range: 0.1 - 1.0 μm

Provides continuous, real-time chemical particle monitoring of contamination levels in corrosive liquids, including hydrogen fluoride (HF).

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HSLIS-M100e Liquid Particle Counter

Deionized Water Particle Counter: HSLIS-M50e

Sensitivity range: 0.05 - 0.2 µm

Provides continuous, real-time monitoring of contamination levels in deionized water.

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HSLIS-M50e Liquid Particle Counter

Corrosive Liquid Particle Sampler: CLS-700

A compression sampler combined with a LiQuilaz® II particle counter for effective measurement of particles in fluids contained in unpressurized vessels.

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CLS-700 T Corrosives Particle Counter

Particle Sensor Safety Cabinet

Houses the chemical particle sensor, detects chemical leaks with an external alarm, and provides secondary containment when a leak occurs.

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Particle Sensor Safety Cabinet

UPW Flow Controllers for PMS Liquid Particle Counters

FC-200 and FC-100 for UPW.

Precise and continuous control of sampler flow for ultrapure water liquid particle counters.

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Flow controllers for liquid particle counters from Particle Measuring Systems

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Particle Measuring Systems- USA

Corporate Headquarters
5475 Airport Blvd.
Boulder, CO 80301

T. +1 303-443-7100
F. +1 303-440-1090
E. [email protected]

Keep in touch! Receive industry news from us:

Products

  • Aerosol Particle Counters
  • Liquid Particle Counters
  • Microbial Samplers
  • BioCapt® Certificate of Analysis (CofA)
  • Compressed Gas Particle Counters
  • Molecular Monitors
  • Software / Data Management

Industries

  • Pharma
  • Semi
  • Photonics & Optics
  • Aerospace
  • Particle Measurement for Industrial Manufacturing

Applications

  • ISO 14644
  • ISO 21501-4
  • USP 797
  • Meet USP<788> Particulate Matter in Injections
  • Parts Cleanliness Testing
  • Annex 1 Latest Draft Revision Updates
  • 21CFR 11

Service & Support

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  • Customer Service

Education and Training

  • PMS™ Knowledge Center
  • Particle College – Electronics Industry Focused
  • Software / Data Management
  • Blog

About Us

  • Contact Particle Measuring Systems
  • Why Choose Particle Measuring Systems
  • Particle Measuring Systems’ Executive Team
  • Careers
  • Corporate Responsibility, Sustainability, Health & Safety
  • COBE
  • Parent Company
  • Press Releases
  • ISO Registrations & Quality Policy
  • Trademarks & Patents
  • Anti-Slavery
  • Export Compliance

Particle Measuring Systems- USA

Corporate Headquarters
5475 Airport Blvd.
Boulder, CO 80301

T. +1 303-443-7100
F. +1 303-440-1090
E. [email protected]

Keep in touch! Receive industry news from us:

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