We offer particle counting technologies designed to deliver fast, reliable measurements, helping quality assurance and operations professionals meet regulatory requirements, cleanliness and quality control standards. From our leading HIAC and MET ONE particle counting devices to our trusted TOC analyzers, we’ve been providing unsurpassed quality and safety solutions to diverse labs around the word since 1976. From lab, to online liquid particle counters, HIAC is the brand professionals turn to for a broad spectrum of fluid monitoring needs. HIAC instruments are designed for HIgh ACcuracy when testing oil, water or fuel for reporting data to ISO 4406, NAS 1638, NAVAIR, GOST, or SAE AS4059 reporting standards.