Optical detection technology company specializing in sensors & systems for air monitoring in CBRN defense, pharma cleanrooms, respirator mask & filter testing
NEW FALL TRAINING DATES ANNOUNCED!
Join us this Sept. and Nov. at ATI Headquarters in Owings Mills, MD for our popular HEPA Filter Leak Test and Airflow Measurement Training courses.
Details: https://t.co/QEB55bvMq2
Email: [email protected] to register
The Cleanroom Technology Conference in Birmingham, UK is underway, and the combined ATI/OptiCal Sciences team is excited to be exhibiting together.
Stop by Stand A1 to meet the team - Chris Chowings and Benjamin Maxwell. Looking forward to seeing you!
Yesterday we wrapped up a one-day HEPA Filter Leak Testing course at our Owings Mills, MD headquarters.
Interested in a future session? Visit our website for upcoming course information and dates — with more classes being added soon.
Details: https://t.co/HjBIglt0GF
Today, we completed a successful Airflow Measurement and Testing training at our Owings Mills, MD headquarters! Thanks to everyone who participated.
Interested in joining us?
Registration/Questions: [email protected]
REMINDER: May Filter Leak Test Training is just two weeks away
EMAIL: [email protected] to register
May dates:
13 – Airflow Measurement & Testing (Cleanrooms, BSCs, FFUs, and more)
14 – HEPA Filter Leak Testing (IEST-RP-CC034 Photometry)
https://t.co/QEB55bvMq2
Did you miss the big announcement last week?
ATI introduced the NEW 2J Aerosol Photometer—engineered to deliver unmatched performance in HEPA filter leak testing for cleanroom and controlled environments.
WATCH:
https://t.co/4ONKjPgohY
Trust in your photometer. Trust in ATI.
Come meet the team — Benjamin Maxwell and Chris Chowings — at Stand 426 during Making Pharmaceuticals 2026, happening today and tomorrow.
We’re excited to be attending this premier UK event together, following ATI’s recent acquisition of OptiCal Sciences. Stop by and say hello.
CETA 2026 is wrapping up—but there’s still time to connect. Stop by Booth #39 Monday morning during "Breakfast with Exhibitors."
Can’t make it? Watch the video below and reach out to us with questions.
Trust in your photometer. Trust in ATI.
🎥 https://t.co/SMhpW8Q7WT
CETA 2026 in Dallas is underway! Join us tonight at Booth #39 during the opening reception for live demos of our NEW 2J Aerosol Photometer.
Can't attend the conference? Watch the 2J video and see for yourself.
Trust in your photometer. Trust in ATI.
https://t.co/tAsVKIekyd
Air Techniques International has launched the new 2J Aerosol Photometer! A next-generation solution offering unmatched user conveniences, data integrity and security, and calibration precision for HEPA filter leak testing.
Read the full release:
https://t.co/Vl54ztQQOM
Poly-alpha olefin (PAO) has long been used for aerosol generation in filter leak testing—but not all PAO performs the same.
DOWNLOAD >>> "Effect of Properties of Poly-alpha Olefin (PAO) on Photometer Measurement in Filter Leak Testing" to view the data.
https://t.co/0lKeD7jKzG
Air Techniques International (ATI) has acquired OptiCal Sciences Ltd., expanding our combined capabilities in contamination control instrumentation across the UK and Ireland.
Read the full announcement:
[Link]
Gravimetric measurements underpin aerosol photometer calibration—but how reliable are they in practice?
DOWNLOAD >>> "Calibration Error Due to Errors in Gravimetric Standard of Measurement" to learn how errors impact calibration accuracy.
https://t.co/VoZwA9g0Ol
How confident are you in the linearity of your aerosol photometer?
This paper discusses the importance of linearity verification (LV) for accurate aerosol photometer measurements in filter leak testing.
https://t.co/ceMkIm49lq
Trust in your photometer. Trust in ATI.
TECHNICAL PAPER: Two-Point vs. Multi-Point Photometer Calibration—What the Research Shows
Our paper explains the science behind it, the risks of multi-point calibration, and why multi-point verification ensures accuracy.
DOWNLOAD: https://t.co/Z9LT2DrwnF
A new IEST Journal paper confirms ratiometric leak test results remain consistent when photometers are properly calibrated—reinforcing the importance of calibration & linearity verification.
Download a summary of the paper from the ATI website:
https://t.co/NisDGZK9iC
REMINDER: February Filter Leak Test Training Next Week!
Limited seats for Cleanroom Classification & Biosafety Cabinet Testing in Letchworth, UK. Don't miss these hands-on courses with expert trainer Tim Triggs.
Email: [email protected]
Info: https://t.co/QEB55bvMq2
EN 12469 was revised and published for the first time in 25 years!
Join us for biosafety cabinet training in the UK or Ireland and learn about the revised standard.
For more information:
https://t.co/FPxISNk7we
Register: [email protected]
Questions: contact Tim Triggs