Particle Counters for Cleanrooms
Monitor Airborne Particles to Ensure Operations Compliance & Safety
What is a Cleanroom?
Cleanrooms are closed, controlled environments utilizing environmental parameter control and filtration systems to purify the inside air; commonly for manufacturing and research.
Where are Cleanrooms Used?
Anywhere the strictest requirements for air quality are needed. Cleanroom environments require that stringent cleanliness, temperature, and moisture levels are maintained ensuring contamination-free environments. Cleanrooms and controlled environments are used for manufacturing and research in the following fields:
- Food Packaging
How are Cleanrooms Monitored?
Cleanroom design depends on process requirements, room volume, ISO classification and the type of filtration required. ISO cleanroom classes define the number of airborne particles per cubic meter allowed. Validation testing is used to establish periodic or continuous monitoring points where precision particle counters are employed to measure the air.
Which MOI Particle Counters are Used for Cleanrooms & Controlled Environments?
Met One Instruments, Inc. benchtop units BT-620 and BT-610 are exceptionally suited and provide a printed record ideal for ISO 14644-1:2015 Class 3 thru 9 cleanroom applications. The BT-620 is seamlessly integrated into existing facility software and building automation systems providing the highest level of data integrity.
Why is Indoor Air Quality Important in Hospitals?
Hospitals, surgery centers, clinics, and medical laboratories monitor air filtration systems for microorganisms and particles to protect health and wellness of the patients. The GT-324 is well-suited indoor air monitoring where HVAC and Filter Performance follow ISO16890 and ASHRAE 52.2 standards.
For further guidance and more information on selecting a Met One Instruments, Inc. cleanroom air quality monitor, please visit:
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All models listed in the guide meet the calibration requirements of ISO 21501-4 and those for the manufacture of sterile medicinal products per EU GMP Annex I (EMEA) Grades A through D.
Clean Room Monitors & Controlled Environments Products:
Bench-Top Particle Counter BT-620
The BT-620 is a compact, battery-operated particle counter with six selectable size channels, an integrated printer, and housed in a portable stainless-steel case. The device’s flow rate is 1.0 CFM (28.3 LPM) and is maintained with volumetric flow control for...
Bench-Top Particle Counter BT-610
The BT-610 is a compact battery-operated particle counter with six selectable size channels and built-in printer all housed in a portable stainless-steel case. Flow rate is 0.1 cfm (2.83 lpm) and is maintained with volumetric flow control for improved accuracy.
Aerocet 532 Handheld Particle Monitor
Meet the newest addition to the Met One Instruments, Inc. lineup of handheld particle monitors: the Aerocet 532. This particle monitor has been optimized in functionality and ease of use with a 2.8″ TFT full-color LCD display, making accurate measurement...
Handheld Particle Counter GT-526S
Met One Instruments’ GT-526S is a full-featured, six-channel battery-operated, portable particle counter that provides the functionality of a bench unit with the convenience of a handheld. The six-channels can be configured to factory calibrated standard sizes or user defined custom...
Handheld Particle Counter GT-521S
The GT-521S is a full-featured, battery-operated, portable particle counter that provides the functionality of a bench unit with the convenience of a handheld. This powerful device supports cumulative or differential counts, standard concentrations, total counts and count alarms. It can...
GT-324 Handheld Particle Counter
Met One Instruments, Inc.’s Model GT-324 particle counter is a full-featured handheld particle counter that provides the functionality of a bench unit in a portable package. A fully integrated RH/Temp sensor immediately provides data to your displayed and logged data....
Handheld Particle Counter Model 804
Met One Instruments’ 804 handheld particle counter is a 4-channel portable particle counter that counts particles 0.3 microns to 10.0 microns – giving you portability and reliability at very competitive pricing. Though compact, this unit is completely self-contained with its...