Run Transformer Oil Dielectric Breakdown Test (ASTM D1816/D877) — Free

Inspection Identification and Sample Traceability

Asset or transformer identification recorded

Enter the equipment ID, transformer nameplate number, or asset tag associated with the sampled oil.

Sample ID and collection date/time recorded critical (required)

Document the unique sample identifier and when the oil specimen was collected.

Note (optional)

Sample source and location documented

Record the source compartment or sampling point, such as main tank, conservator, or bushing compartment.

Test standard selected critical (required)

Select the method used for the dielectric breakdown test.

Chain of custody maintained critical (required)

Confirm the sample remained identified and controlled from collection through testing.

Yes No N/A

Reference procedure or lab SOP available

Enter the internal procedure, laboratory SOP, or work instruction used for the test.

Specimen Condition and Test Setup

Oil specimen visually acceptable for test critical (required)

Confirm the specimen is suitable for testing and does not show obvious contamination, excessive free water, or foreign matter that would invalidate the run.

Yes No N/A

Test cell clean and dry critical (required)

Confirm the dielectric test vessel or cell is clean, dry, and free of residue before filling.

Yes No N/A

Electrode condition acceptable critical (required)

Verify electrodes are clean, properly spaced, and free of pitting, corrosion, or contamination.

Yes No N/A

Instrument calibration current critical (required)

Confirm the dielectric test set or BDV tester is within calibration and suitable for use.

Yes No N/A

Test temperature recorded

Record the specimen temperature at the time of test.

Standards and acceptance criteria identified

Document the applicable acceptance limit, utility specification, OEM requirement, or internal threshold used to judge the result.

Dielectric Breakdown Test Results

First breakdown voltage critical (required)

Enter the first measured breakdown voltage.

Second breakdown voltage critical (required)

Enter the second measured breakdown voltage.

Third breakdown voltage critical (required)

Enter the third measured breakdown voltage.

Fourth breakdown voltage critical (required)

Enter the fourth measured breakdown voltage.

Fifth breakdown voltage critical (required)

Enter the fifth measured breakdown voltage.

Average breakdown voltage critical (required)

Record the calculated average BDV for the specimen.

Test anomalies noted

Indicate whether arcing irregularities, unstable readings, or other anomalies occurred during the test.

Yes No N/A

Note (optional)

Compliance Review and Disposition

Result meets acceptance criteria critical (required)

Confirm the average BDV meets the applicable specification or internal acceptance limit.

Yes No N/A

Disposition selected critical (required)

Select the final disposition for the oil sample based on the test result.

Corrective action or follow-up required

Describe any required retest, filtration, dehydration, oil replacement, or maintenance follow-up.

Sign-Off and Traceability

Inspector name and signature critical (required)

Inspector or analyst signs to confirm the recorded results are accurate.

Review date and approval

Record the date and time the inspection record was reviewed or approved.

Supporting evidence attached

Attach a photo, scan, or lab report image if available.

Get your results

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Run: Transformer Oil Dielectric Breakdown Test (ASTM D1816/D877)

Inspection Identification and Sample Traceability

Specimen Condition and Test Setup

Dielectric Breakdown Test Results

Compliance Review and Disposition

Sign-Off and Traceability

Get your results