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Met One

Met One is a brand that has embraced the culture of innovation, reliability and excellent customer service.

A manufacturer of particle counter products, Met One's instruments can be found in use throughout the world on a daily basis, ensuring the quality of key pharmaceutical and electronic manufacturing processes are not compromised.

Formed in 1987, Met One has grown into a recognised brand and is now part of the Hach Ultra group of companies.

The Met One range of products includes both portable and handheld air particle counters.

Met One is now known as Beckman Coulter.

Portable Air Particle Counters

3400 Series
6000 Series

Handheld Air Particle Counters

HHPC 2+, 3+ & 6+ Series

Lab Liquid Particle Counters

HIAC 8011+ Liquid Particle Counting System
HIAC 9073+ Liquid Particle Counting System

Cell Counters


Total Organic Carbon Analyser

QbD1200 Laboratory Total Organic Carbon Analyser


237 A/B
3300 Series

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Keison Global trading as:
Keison Products, VoIPon Solutions & 4Gon
keison VoIPon Solutions 4Gon