When it comes to cleanroom monitoring and contamination control, reliability isn’t optional, it’s essential. Junray portable particle counters combine advanced technology, proven performance and exceptional value, making them an ideal choice for pharmaceutical, biotechnology, healthcare, semiconductor, electronics and other critical cleanroom applications.

As a global manufacturer of particle measurement and scientific instrumentation, Junray has earned a reputation for producing high-quality, dependable instruments that deliver accurate and repeatable results. With more than 300 highly skilled employees, customers in over 60 countries, and internationally accredited manufacturing and calibration systems, Junray continues to be a trusted supplier to organisations that demand precision and compliance.

Available in 28.3 LPM and 100 LPM Models

Junray portable particle counters are available in both 28.3 LPM (1 CFM) and 100 LPM flow rate models, allowing users to select the ideal instrument for everything from routine cleanroom monitoring through to rapid certification and validation applications.

Designed to comply with the latest cleanroom standards, these instruments provide fast, accurate particle counting while offering the features expected from premium particle counters, including intuitive touchscreen operation, large onboard data storage, built-in thermal printing, USB and network communications, long battery life, audit trail capability and rugged stainless-steel construction.

They are suitable for use in pharmaceutical manufacturing, hospital pharmacies, sterile compounding, medical device production, electronics manufacturing, laboratories and cleanroom certification.

Manufactured to International Standards

Quality is at the core of every Junray instrument. Junray operates under an ISO 9001 quality management system and maintains ISO/IEC 17025 accreditation for calibration, demonstrating a commitment to manufacturing accuracy, traceability and continuous quality improvement. Their airborne particle counters are designed to meet the requirements of ISO 21501-4, ISO 14644 and EU GMP Annex 1 cleanroom monitoring standards, giving users confidence in both performance and regulatory compliance.

Junray Particle Counters Key Features

Based in China with advanced manufacturing facilities, Junray is a well known and respected global manufacturer of particle measurement instruments. Some companies rebadge or rebrand their products as products sold from the USA or Europe however Alpha Scientific stands by the original OEM Junray brand and works directly with the manufacturer, bringing the lowest prices and best value for money to our customers.

Junray maintains highly accredited manufacturing facilities (ISO 9001, ISO 17025 & others), has many patented products and has won many product design awards over the years. Dont forget to check out the latest range of Beckman Coulter Met One 3400+ series portable particle counters, handheld particle counters, microbial air samplers and related products.