Sample Collection & Submission

Reliable Results Begin With a Representative Sample.

Transformer oil test results are only as meaningful as the sample received. Correct sampling, clean containers, proper identification, suitable handling and prompt submission help preserve the condition represented by the sample.

Accurate TestingReliable ResultsTimely Service
Sample Collection & Submission
Sample integrity before laboratory testing
Submission process

Seven Steps for Better Sample Integrity

Follow these essential steps to preserve sample quality and ensure dependable laboratory test results.

1

Confirm requirements

Confirm the required tests and sample volume with LADLI before collection.

2

Use the correct container

Use a clean, compatible container suitable for the requested tests.

3

Follow safe sampling practice

Follow the approved sampling procedure and site safety requirements.

4

Prevent contamination

Avoid moisture, dust, dirty valves, unsuitable tubing and reused containers.

5

Label every sample

Record customer, site, transformer ID, point, date and time.

6

Provide operating context

Include asset details, operating status, reason for testing and previous report reference.

7

Protect during transport

Submit the sample within the agreed timeframe and protect it from damage or contamination.

Common risks

Reduce Avoidable Sources of Sample Error.

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Moisture or dirt entering through an unclean valve.
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Air bubbles or unsuitable headspace for DGA samples.
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Incorrect or incomplete sample identification.
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Containers that are reused, damaged or incompatible.
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Long delays or uncontrolled transport conditions.
Oil sample being collected into a clean container

Need Support With Sample Submission?

Share the site location, number of transformers, sample count and preferred date. On-site collection should be confirmed only after LADLI approves operational coverage and charges.

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