OPSIS Blog

With a Twinkle in the Eye – About an Unusual Limo Ride

Bengt Löfstedt
OPSIS Stories
2020-08-27
View Count 2091

As an OPSIS employee, you are sometimes asked to do tasks outside of your regular work, and that’s fine. It gives variation in the daily routines and good team spirit. You get to help your colleagues, and you get insights in many aspects of the company. It might be a task you’ve never done before, but it usually ends well anyway!

A Story about Bare Legs – Taking Other Cultures into Consideration

Bengt Löfstedt
OPSIS Stories
2020-08-18
View Count 2561

The OPSIS headquarters are often hosting guests from our many suppliers and customers from all over the world. Naturally, we then wish to present ourselves as the professional business partner we are, but it can go wrong, and sometimes it can go even more wrong when trying to get it right.

Chewing Gum with Resistance – a Packet of Unexpected Problem Solving

Bengt Löfstedt
OPSIS Stories
2020-06-11
View Count 2716

Let’s face it. Things do go wrong now and then. Naturally, we at OPSIS then analyse the root cause and take measures to prevent the error from occurring another time. However, there and then, when it just has happened, the relief can be what one of our colleagues literally has in his pockets.

A Wet Nose and Four Paws – Good for both Personnel and Company

Bengt Löfstedt
OPSIS Stories
2020-05-06
View Count 3276

You cannot bring your dog everywhere, but OPSIS employees can at least bring their dogs to work. It gives added values to many more than the owner, and also to OPSIS as a company.

Item Numbers – the Difference a Code Number can Make

Bengt Löfstedt
OPSIS Stories
2020-04-17
View Count 3138

We have all been beginners at some point in time, also we at OPSIS. Initially, the company showed great enthusiasm, but perhaps a little less systematic thinking. The enthusiasm is still around, but today, thankfully, there are also systems in place to aid our work!

The Positive of Negative Numbers

Bengt Löfstedt
General
2020-03-13
View Count 3700

You may have seen a gas concentration reported as less than zero, and that may have made the alarm bells go off. There can of course not be less than no molecules present in the air. But it doesn’t have to mean that the monitoring equipment is bad, it can just as well be valuable data. Let’s take a closer look on how that works!

No Need for Redundant Systems

Bengt Löfstedt
AQM, CEM
2019-09-12
View Count 3715

How many gas monitoring systems does it take to measure a gas concentration? Strangely enough, the answer is not always one.

Vehicle Emissions – How to Catch Defeat Devices

Bengt Löfstedt
Vehicle Emissions
2019-06-27
View Count 3236

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.

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

Bengt Löfstedt
AQM
2019-06-04
View Count 3935

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?

Multiplexed Monitoring – To be Doubt or Not?

Bengt Löfstedt
CEM
2019-02-28
View Count 6559

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.

GAS MONITORING

Opsis blog

With a Twinkle in the Eye – About an Unusual Limo Ride

A Story about Bare Legs – Taking Other Cultures into Consideration

Chewing Gum with Resistance – a Packet of Unexpected Problem Solving

A Wet Nose and Four Paws – Good for both Personnel and Company

Item Numbers – the Difference a Code Number can Make

The Positive of Negative Numbers

No Need for Redundant Systems

Vehicle Emissions – How to Catch Defeat Devices

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

Multiplexed Monitoring – To be Doubt or Not?

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