IOS Inc.
The Brewer experts
Important:
SETDATE: Automatic date correction in the OP_ST.### file before running the Brewer software. 
01.12.2005.
Calibration information tables. 09.12.2005.
How to find calibration information 25.01.2006.
Brewer operating software v3.76b 26.08.2008.
GWBasic: A help file. 12.12.2005.
Welcome!
International Ozone Services Inc. (IOS) provides worldwide ozone and UV calibration services to customers with Brewer Ozone Spectrophotometer instruments. We have typically completed 35-40 instruments/year in the past 24 years.
We look forward to your comments, questions and suggestions on this new website.
If you have any questions regarding the web site please contact .