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Field Screening vs Laboratory Analysis: Know the Difference

Laboratory glassware representing fuel sampling and quality testing

Field tools support rapid operational decisions; accredited laboratory methods provide formal confirmation. Both have a defined role.

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Diesel Density Testing: What a Hydrometer Can—and Cannot—Tell You

Laboratory glassware representing fuel sampling and quality testing

A practical guide to diesel hydrometer readings, temperature correction, representative sampling and the limits of field density screening.

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Protect the operation before fuel risk becomes a post-incident investigation.

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Important: FuelGuard field products support operational screening, early detection and evidence collection. They do not replace accredited laboratory analysis where formal, legal, contractual or insurance confirmation is required.