---
title: Density Meter Fuel Oil factory methods on an Automatic Density Meter, and why verifying density range compliance with ASTM D4052 is recommended
description: Determine whether diesel samples can be tested using the Fuel Oil factory method on an Automatic Density Meter, and why verifying density range compliance with ASTM D4052 is recommended.
---

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# Density Meter Fuel Oil factory methods on an Automatic Density Meter, and why verifying density range compliance with ASTM D4052 is recommended

## Determine whether diesel samples can be tested using the Fuel Oil factory method on an Automatic Density Meter, and why verifying density range compliance with ASTM D4052 is recommended

**Question:** Can the existing fuel sample method be used for diesel analysis on the Automatic Density Meter?

**Answer:** In many cases, yes — diesel may be measured using the existing **Fuel Oil** factory method because diesel is generally considered a fuel oil product.

However, before using that method, the customer should confirm that the diesel sample’s density falls within the density range supported by the method under **ASTM D4052**. If the sample falls within that range, the Fuel Oil factory method will most likely be appropriate for the analysis.

**Recommendation**

Before routine testing begins, verify the expected density range of the diesel sample and confirm that it matches the applicable range for the Fuel Oil method. This helps ensure the method is suitable for the sample type and supports accurate, reliable results.

 

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