Is It CE Marked? What the Question Should Actually Ask

Is it CE marked is one of the first questions in most European enquiries, and the most common answer, yes we have a certificate, is one of the least useful. The mark is not a certificate, it is not a test report, and it is not issued by anybody. It is the visible end of a declaration that the manufacturer makes and signs, and understanding that makes the question sharper and the answers comparable.

This article is about what the mark actually consists of, what the three documents people wave at each other really prove, and the five questions that get a useful answer out of any supplier.

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A table-type welder from our workshop. The identification plate, the emergency stop and the control cabinet are the three things an inspector looks at first.

What the Mark Actually Is

The mark is the manufacturer stating that the machine conforms to the legislation that applies to it in that market, and taking responsibility for that statement. Behind the mark sits a technical file: the drawings, the risk assessment, the calculations, the records of the tests, the list of standards applied. The file stays with the manufacturer and has to be available to the authorities. The mark on the plate is what the buyer sees of it.

For most welding machines this is a self-declaration. A few categories require a notified body to be involved, and those categories are defined by the legislation rather than by the supplier preference. What the mark does not say is anything about quality, durability or how well the machine welds. A conforming machine can be a poor machine, and a good machine can be sold without a mark because it was never built for that market.

That last point matters more than it sounds. A machine designed for one market and re-labelled for another is not automatically conforming, because the design assumptions behind the two markets differ: the supply voltage, the guarding practice, the language of the manual and the way the emergency stop is arranged are not identical.

Three Documents, Three Different Things

Most confusion comes from treating three different documents as if they were the same thing. They are not, and each proves a different and narrower fact.

Document	What it actually proves	What it does not prove
Declaration of conformity	The manufacturer states conformity and names the standards applied	That anyone independent has checked the machine
Test report	That a sample passed specific tests, in a specific laboratory	That the unit you receive was built the same way
Certificate from a body	That the scope described in the certificate was assessed	Anything outside that scope, including your configuration

What a Buyer Can Ask For, and What They Cannot

The technical file is not something a buyer receives, and in most cases they do not need it. What a buyer can and should ask for is smaller: the declaration of conformity, with the model and the serial range written on it; the list of standards applied; a declaration of incorporation if the unit is partly completed machinery; and the manual in the language of the destination.

The partly completed case is worth understanding, because it appears in almost every project with more than one supplier. A welding head, a fixture or a power source supplied for integration is not a complete machine, and it cannot carry the mark in the same way as a finished welder. It comes with a declaration of incorporation instead, and the party who assembles the cell takes on the obligation to make the finished assembly conform. When two suppliers each assume the other is doing that, nobody is.

Five Questions That Get a Useful Answer

These are the questions we would ask if we were buying, and the ones we can answer in a paragraph for any machine we ship.

Which legislation and which standards are applied, and are they the current editions?
Who signs the declaration, and does it name this model and this serial number?
Is this a complete machine or partly completed machinery?
In which language will the manual, the labels and the wiring diagram be supplied?
Does the electrical design match the supply at our site, or will it be adapted on arrival?

A supplier who needs a week to answer these five is a supplier whose file is being assembled for the first time. One who answers the same day, with the model numbers, is not necessarily better at compliance, but is at least working from a document rather than from memory.

The Traps We See

The first is a declaration borrowed from a similar model and sent with a different machine. It looks complete, it is dated, and it names a machine that is not the one in the crate. The second is a machine modified after the declaration was made: a feeder added, a rotary table fitted, a controller replaced. Nobody revisits the assessment, and the buyer ends up with a conforming base machine and a non-conforming cell.

The third is the name on the plate. In several regimes the party that places the machine on the market takes on the manufacturer obligations, so a buyer who re-brands a machine becomes responsible for the file behind it. The fourth is documentation in a language nobody at the destination reads, which satisfies a folder and satisfies no inspector.

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The identification and service plate on the control cabinet of the same machine, next to the emergency stop. What is printed here is what the declaration of conformity has to match.

Conclusion

The useful version of the question is not whether the machine is marked, but which legislation, which standards, who signs, and whether the declaration names this machine. A supplier who can answer that in a paragraph has the file in order. A supplier who answers with a scanned certificate is telling you something, just not what they think.

Requirements vary by destination market. Always confirm against the current edition of the applicable standard and with your certification body.

PDKJ continues to provide customized laser welding and resistance welding solutions based on different materials, workpiece structures, welding requirements, and production applications.

Is It CE Marked? What The Question Should Actually Ask