Inspection and traceability connect delivered PEM hydrogen equipment to its approved configuration and acceptance evidence. A buyer should agree which records are required, how they identify the supplied unit and which checks occur before shipment.
This is a buyer’s inspection-plan framework. Actual manufacturing activities, record availability and inspection points must be agreed with the supplier for the order.
Cover illustration: conceptual scene; configuration varies by project.
1. Define the inspection scope
Identify whether the purchase covers a stack, an assembled module or a complete generator. List the critical requirements and documents needed to demonstrate them. Distinguish routine supplier checks, buyer review points and witnessed tests.
State when each record is due: during design review, before assembly, at FAT or with final handover. Avoid requesting an undefined complete quality dossier without agreeing its contents and relevance.
2. Build an inspection and record plan
| Stage | Possible record to request | Traceability question |
|---|---|---|
| Incoming items | Component identification and applicable acceptance records | What was accepted for use in this configuration? |
| Assembly | Controlled drawings, build revision and inspection status | Which approved arrangement was assembled? |
| In-process checks | Relevant process or inspection records | What requirement was checked and by whom? |
| Completed equipment | Equipment identity and agreed test results | Do the results belong to the supplied unit? |
| Nonconformities | Disposition, rework and reinspection evidence | Were relevant issues closed before release? |
| Final handover | As-built list, manuals, test records and release status | Can the buyer identify and support the delivered configuration? |
3. Make records specific enough to use
A useful record identifies the item, drawing or requirement revision, method, result, date and responsible role. Where a measurement determines acceptance, agree the relevant instrument identification and calibration status.
Traceability depth should follow the product and contractual requirement. Ask which bought-in parts, materials or assemblies can be traced and what evidence is available. Do not infer full material traceability from a serial number alone.
4. Keep factory testing within its actual scope
Specify test conditions and acceptance criteria before the FAT. Identify the configuration, utilities, measurement points and records. A component test cannot by itself validate the final system assembled by another party.
Installation, commissioning and process validation may require separate site work. Use the supply-scope matrix to allocate those responsibilities.
5. Control release and later changes
Record open items and decide who can authorise shipment. If a deviation is accepted, retain its approval and impact assessment with the handover documents. Update the as-built information when a component, interface or software revision changes.
The OEM change-control checklist covers later substitutions and replacement compatibility. For an on-site capability review, use the factory audit checklist.
Review company and manufacturing information and request the inspection scope relevant to the equipment under discussion. Marketing descriptions should not substitute for the order’s agreed records.
Discuss inspection and handover records for your order
Send the equipment scope, required product identity and traceability, applicable buyer specifications, document list, proposed witness points and acceptance requirements. Indicate when each record is needed.
Published by Hele Titanium Hydrogen. Updated 17 October 2026. Inspection records, witness access and traceability requirements are agreed for the specific purchase.
