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The ePan Slim system tested with a thermal camera

Published: 02/11/2016 17:33:05
Categories: Customer projects , Product tests , Radiant heating and cooling ceilings , Thin reflective insulation

What a thermal camera really measures

It does not measure a temperature but infrared radiation, which it then converts into an apparent temperature. That conversion depends on a parameter entered by the operator, the emissivity of the surface, and that parameter completely changes the figure displayed.

The aluminium trap

A bright metal surface has a very low emissivity. Pointed at by a camera set to a standard value, it displays a false temperature, often well below reality. It is the most frequent error in test videos.

What the image shows correctly

The distribution. A thermal camera immediately reveals a hot spot, a dead zone or a fitting defect, and that is precisely the use for which it is irreplaceable on site.

What it does not replace

A standardised measurement. The performance of a heating panel is established in a laboratory following a defined protocol, with contact probes and controlled conditions. A thermal image illustrates, it does not certify.

How to read a test image

By looking for the colour scale, the emissivity value used and the ambient temperature at the time of capture. An image without those three pieces of information supports no numerical conclusion, whatever its visual quality.

The value on a heating ceiling

Checking the uniformity of the emitting surface once the fabric is up. It is the only non-destructive check possible after fitting, and it detects a folded element or an unsupplied zone within seconds. The system does have to be left running for a good twenty minutes before the image is taken.

Emissivity is developed on the dedicated page, and the fire tests on the ePan Slim panel page.

When the heating needs of a home are worked out, attention usually goes to what the appliance consumes.

There is a difference, though, between the power installed and the power that reaches you.

A heating system can draw 6000 watts of which only 3000 do the people in the house any good.

The main reasons are these: thermal bridges and blocked paths, air leaks, insulation that is poor or unsuited to radiant heat both inside and outside the home, and heating whose source is concentrated in one spot and badly spread.

Quality and thermal comfort depend far more on how the system as a whole is conceived than on the energy rating of one electrical appliance and what it cost to buy.

Ceilingo has developed a system that both keeps and reuses the energy radiated by the whole of the ceiling.

ePan Slim is built on the principle of holding on to the energy emitted and giving it back where it is wanted.

Pairing an airtight insulation that performs against radiation with carbon heating panels behind a stretch ceiling produces an efficiency you can feel in the room and read on the meter.

The image makes the case.

Contact Plafonds Tendus Occitans (Toulouse)

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