2020-06-11

Chewing Gum with Resistance – a Packet of Unexpected Problem Solving

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What makes OPSIS “OPSIS”? Well, it is the people behind the name. This video blog is a part of a series of personal stories showing who the people working here are, and thereby also what OPSIS is.

Here, Ulf Gustavsson gives us a view of how he managed a tricky situation with a great share of creativity.

Articles

2019-06-27

Vehicle Emissions – How to Catch Defeat Devices

The International Council on Clean Transportation has presented a methodology to catch defeat devices circumventing vehicle emission limits. Read more about it and find out how OPSIS can assist in those efforts.

2019-06-04

Buying AQM Equipment or AQ Data? It’s Your Choice

In the traditional approach to air quality monitoring, those “who wants to know” have also owned and maintained the monitoring equipment generating the answers. However, recent years’ slimmed organizations have opened up for an alternative: to buy air quality data instead of hardware. What are the pros and cons of the two approaches?

2019-02-28

Multiplexed Monitoring – To be Doubt or Not?

So called multiplexing allows design of cost-effective monitoring systems. But there’s multiplexing, and there’s multiplexing. Let’s have a look at the principles and explain why optical multiplexing is straight-forward while gas multiplexing has its issues.

2019-01-17

Fence-line Monitoring: Benzene and Beyond

Fence-line monitoring of the ambient air around industrial facilities can protect health and environment, but it can also help track leaks and improve production quality. How does it work, and what should be monitored? Here’s an introduction to the subject.

2019-01-02

Gas Concentration Monitoring in Sulfuric Acid Production

It is important to monitor concentrations of sulfur dioxide and other gaseous substances in the production of sulfuric acid. What monitoring needs can there be, and how can these needs be met in a convenient way?