Barrel Gauges | McMaster-Carr

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373 Products

Level Monitoring

Liquid-Level Gauges for Drums

Measure water, hydraulic fluid, or diesel fuel level in your drum.

Vertical-Mount Fuel-Level Gauges for Tanks

Install these gauges through the top of your tank to monitor diesel, fuel oil, or gasoline level.

Vertical-Mount Liquid-Level Gauges for Tanks

For use with water, hydraulic fluid, and diesel, install these gauges through the top of your tank.

Chemical-Resistant Vertical-Mount
Liquid-Level Gauges for Tanks

With a stainless steel float and float rod, these gauges resist corroding from chemicals.

Horizontal-Mount Fuel-Level Gauges for Tanks

Mount these gauges on the flat end of a horizontal, cylindrical tank to monitor diesel fuel, fuel oil, or gasoline level.

Precision Liquid-Level Gauges for Tanks

Using inches or centimeters instead of common levels, such as full or empty, these gauges are more precise than standard gauges when measuring liquid levels. They work with water, hydraulic fluid, or diesel.

Pop-Up Full-Tank Indicators

Avoid overfilling—these indicators pop up when your tank is almost full.

Dimensional Measuring

55-Gallon Drum-Level Rulers

Measure volume in gallons without calculations.

Adhesive-Back Tank-Level Rulers

Permanently mount these vertical rulers to walls and tanks.

Tank-Level Folding Rulers

Fold these vertical rulers for convenient storage and transport.

Long-Length Tank-Level Rulers

Connect continuous segments to create a ruler up to 10 ft. long.

Tank-Level and Depth-Measuring Rope

Tank-Level and Depth-Measuring Rope

Attach a plumb bob (sold separately) to the rope’s hook and lower it into your tank to take a measurement.

Liquid-Level Tape Measures

Liquid-Level Tape Measures

Also known as oil-gauging tapes, use these tape measures to check the level of oil and other fluids in deep, large containers such as tanks and vats.

Adhesive-Back Vertical Rulers

Permanently mount these rulers on machines, tanks, and walls to measure heights and depths.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)