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“Maintenance-free air quality monitoring” – is it a myth?

“Maintenance-free air quality monitoring” – is it a myth?

12-Apr-2024Maintenance | Networks | Performance | Product

There’s no doubt that small sensor systems can have an advantage over their cumbersome reference station cousins – in terms of maintenance requirements. We are often asked about ‘service’ requirements for our pods and the honest answer is that the default position, in normal working conditions, is ‘none’. However ..

Why we love PAS4023

Why we love PAS4023

13-Feb-2024Data validity | Networks | Performance

Is it normal to get excited about a Publicly Available Standard? For us it feels like a long time coming, and this first step on the long road towards an ISO standard for small sensor air quality monitoring is very welcome.

How do you calibrate a small sensor air quality system?

How do you calibrate a small sensor air quality system?

24-Oct-2023Performance | Product

First of all, you can’t calibrate using bottled gas, as with reference analysers. Even if you can create a chamber or manifold to pump gases through, electrochemical gas sensors do not respond in the same way to single, dry gases as they do to mixed gases in an ambient environment.