Selection of four Particle Measuring Systems liquid particle monitoring products displayed on a dark teal (#00303b) background, including the Ultra DIĀ® 20 Plus, Chem 20ā„¢, HSLIS Liquid Particle Counter, and SLS-20 Liquid Particle Sampler for monitoring contamination in ultra-pure water and chemical processes.
Contamination Monitors

Liquid Particle Counters

Protect your high-precision process by monitoring liquid-borne contamination in ultra-pure water, chemical, and sterile solutions.

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Ultra DI 20 Plus liquid particle counter in a stainless steel housing for ultrapure water monitoring.

DI Water Particle Counter: Ultra DIĀ®

The Ultra DI line of DI water particle counters from Particle Measuring Systems (PMSĀ®) provide groundbreaking capabilities for monitoring the most demanding de-ionized and ultrapure water systems.
Chem 20 chemical particle counter from Particle Measuring Systems

20 nm Chemical Particle Counter: Chem 20ā„¢

Repeatable results, detects larger concentrations of particles with better statistics than competitive products.
Liquid Particle Counter HSLIS

Cost Effective Liquid Particle Counter: HSLIS

The High Sensitivity Liquid in Situ (HSLIS) Liquid Particle Counter provides continuous, real-time particle monitoring of contamination levels in DI water and corrosive liquids, including hydrogen fluoride (HF).
SLS-20 Syringe Liquid Sampler for batch sampling and 20 nm particle counting.

Syringe Liquid Particle Samplers: SLS Family

For liquid particle counter batch sampling. Uses a precision syringe and simple flow-path for delivering chemical samples from a sample vessel or chemical container, directly to the particle sensor.
Liquid Particle Counter for USP 788

Liquid Particle Counter for USP 788: APSS-2000

liquid particle counter liquilaz

Liquid Particle Counter: LiQuilazĀ® II Series

High-precision, volumetric laser particle counter spectrometer for process liquids, including corrosive and hot chemicals.
Corrosive Liquid Particle Sampler

Corrosive Liquid Particle Sampler: CLS-700T

UPW Flow Controller

UPW Flow Controller for PMSĀ® Liquid Particle Counters

SamplerSight software dashboard displaying liquid particle count data with histograms, time plots, and tabular reports.

Liquid Particle Counter Software: SamplerSightā„¢

A user-friendly software program for operating batch-based liquid particle counting systems. Provides a comprehensive view of the collected data and easy-to-use reporting.
Clean manufacturing and microbial control from Particle Measuring Systems

Liquid Contamination Control

Ensure the integrity of critical fluids across applications ā€Øand industries with the flexibility to work your way.

  • Measures ultra-pure water, chemicals, and parenteral fluid applications
  • Delivers flexible batch or continuous liquid particle monitoring
  • Designed for high-precision industries such as semiconductor and chemical

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