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The APEX CN1293SF5871N is an Atlas Double Duty oil gauging tape designed for measuring liquid levels in tanks and storage vessels. The blade is constructed from steel with a Chrome Clad/Nubian finish, providing corrosion resistance in wet, oil-laden environments. At 50 feet in length and 0.5 inches wide, the tape accommodates a wide range of tank depths common in fuel storage and industrial applications. The D1 blade style and 5871/2 bob cut configuration make this unit suitable for accurate bottom and interface measurements. Installation and use are typically performed by petroleum technicians, industrial maintenance crews, and tank inspection professionals.
This gauging tape is used for measuring oil, fuel, and other liquid levels in above-ground and underground storage tanks. Its Double Duty design supports both innage and ullage measurements, making it a versatile tool across petroleum distribution, refinery, and bulk liquid storage operations. The Chrome Clad/Nubian blade finish is selected specifically for service in hydrocarbon environments where bare steel would corrode or produce inaccurate readings over time.
Designed as a replacement or service tape for Atlas Double Duty oil gauging reel assemblies using the D1 blade style with a 5871/2 bob cut configuration.
Oil gauging tapes are deployed by petroleum technicians and tank inspection personnel following applicable API measurement standards. Before gauging, verify the tank vent is open and that all ignition sources are cleared when working with volatile hydrocarbons. Inspect the blade and bob connection for wear or corrosion before each use. Do not force a kinked or damaged blade into a gauging hatch, as this can compromise measurement accuracy and damage the tape.
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