Our thermal monitors will work on non-rechargeable alkaline batteries, but we don’t know how long they will give readings, and when the voltage drops too far, the relative humidity readings will be inaccurate.
Sharing thermal monitors
Engineers, there’s a slight wrinkle if you want to put two thermal monitors in the same building. We explain how.
Enforcing a minimum temperature
If your heating controls don’t enforce a “setback” temperature, in this kind of weather the building can get cold enough to risk damage. Here’s what good control looks like.
Not-in-time heating is a very common pattern in community buildings. We describe some common reasons for it.
Why get smart meters
We’re advising all of our groups to get smart meters. They should allow venues to see live energy use readings taken every half hour. In this blog post we explain why that’s useful.
Here’s an interesting fact – between 1980 and 2013, it was illegal in the UK to heat public spaces to above 19C unless there was a specific reason. We’re currently looking at why one of our monitors often sees 30C.
A Good Reception
If you are thinking nice snacks and drinks I’m sorry to disappoint: not entertainment, but radio signals sent from sensor to hub. Not every temperature and humidity reading will make it to the hub, for onward journey to ‘the cloud’, if there are obstacles or a fair distance to travel. So how can we pamper […]
Plotting in Excel
Here’s how to plot our thermal monitor data in Excel.
Off they go
The stock of thermal monitors has been growing, but now it’s time to send them out to those engineers in the first group who have a venue and group who want to improve the comfort and carbon footprint of their building. Not all the boxes look the same. Firstly, there are sensors – with the […]
We use inexpensive DHT22 temperature and relative humidity sensors, so we don’t assume they are reliable. Instead we compare them with each other and with the most common off-the-shelf devices we see in use, Lascar EL-WIN-USB loggers. Our Lascars claim accuracy of 2.25%RH in the range 20-80% RH. Years back, we had some engineering students […]