Sensitivity range: 20 – 100 nm

Designed specifically for ultrapure water systems, the Ultra DI® 20 Liquid Particle Counter from Particle Measuring Systems PMS quickly obtains statistically meaningful data and will count and size contaminants as small as 20 nmConsistency helps you get more out of your data, even if the instrument moves, so you have more control over your process. The Ultra DI 20 Liquid Particle Counter has a low zero count, large sample volume and high counting efficiency that provides benchmark particle detection. Improved sensitivity allows you to detect process variations more quickly with 20 nm polystyrene latex (PSL) and 9 nm gold (Au).

The UDI-20 is one of Particle Measuring Systems’ “Industry Leading Sensitivity” products. This means that there are no products on the market that are more sensitive than these and only PMS offers a line of products covering this many elements of production monitoring. PMS currently leads the market in monitoring performance, sensitivity and reliability in the Ultrapure Water, Chemical and Airborne Molecular Contamination Monitoring fields. PMS’ superior knowledge, technology and service provides High Tech and Chemical manufacturing companies the most advanced tools to make accurate data-driven decisions, improving both performance and yield. 

Find the best particle counter for your application. 

DOWNLOAD THE SPEC SHEET REQUEST A QUOTE
20 nm Liquid Particle Counter: Ultra DI® 20
el insdustry leading sensitivity

Product Details

Ultrapure Water UPW Contamination Control / 20 nm Particle Counting

Glen Slayter, UPW Analytical Development Engineer at Intel Corporation, and Dr. Dan Rodier, Scientist at Particle Measuring Systems discuss collaboration, benefits and science of 20 nm liquid particle counting.

Resources

Documentation

  • OPERATIONS MANUAL: Ultra DI® 20 Liquid Particle Counter

Accessories

Liquid Installation Kit

Liquid Installation Kit

For use with online  applications, the Liquid Installation Kit includes: a Flaretek® flaring tool, five caps, 25 ft of 1/4 in Perfluoroalkoxy alkanes (PFA) tubing and male connectors.

 

FC-100 FC-200

Downstream Flow Controller

Complete flow control through a liquid particle counter is critical to ensure accurate and actionable data. The Downstream Flow Controllers, FC-200 and FC-100, are the perfect complement to our high precision liquid particle counters.

Bubble Separator Device

Bubble Separator Device

A welded PFA device that allows entrained bubbles in an ultrapure water (UPW) or process chemical sample to separate from the sample stream through buoyancy, prior to the sample entering the liquid particle counter.

Particle Sensor Safety Cabinet

Particle Sensor Safety Cabinet

The Particle Safety Cabinet houses the chemical particle sensor, detects chemical leaks with an external alarm, and provides secondary containment when a leak occurs. In the event of a chemical leak within the chemical particle counter or sample connections, the system will automatically detect the leak, shut off inlet and outlet sample valves, turn off power to the particle sensor, and provide an external alarm contact.

Ultra DI 20 Environmental Control Chamber

Environmental Control Cabinet for Liquid Particle Sensors

The Environmental Control Cabinet for Chem 20TM and Ultra DI® 20 precisely controls the environmental temperature to ensure precise and consistent data. Used inside chemical distribution rooms where the ambient temperature is not well-controlled, the Environmental Control Cabinet shields the particle sensor from environmental changes that adversely impact data quality.

Facility Net 6 Box

Facility Net

Facility Net Software provides a solution for comprehensive environmental monitoring, including a real-time and historical data display. Compatible with Particle Measuring Systems particle counters and molecular contamination monitors, as well as various third-party products.

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