Liquid Levels | McMaster-Carr

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For Use With

Alcohol-Based Solvents

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UN/UNF (SAE Straight)

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Compliant with Exemptions

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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REACH

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Minimum Temperature

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1,777 Products

Fluid Handling

Liquid-Level Gauges

Monitor fluid levels in containers

686 products

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

29 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

243 products

Gauge Glass

Create or repair liquid-level gauges to monitor fluid levels in containers

138 products

Water Detectors

Place near tanks, sump pumps, and pipe lines to alert you to water leaks

2 products

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

130 products

Float Valves

Open or close a pipe connection when liquids in a container reach a set level; also known as ballcocks

119 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

29 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

77 products

Valve Bodies

Attach to actuators to automatically or manually control flow in your line

16 products

Float Switch Relays

Amplify current to actuate equipment that has a higher current rating than your float switch

2 products

Measuring and Inspecting

Levels

Ensure surfaces are completely horizontal or vertical

187 products

Level Vials

Replace vials in levels or equipment

16 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

3 products

Liquid-Level Tape Measures

Lower into deep containers, such as tanks, to check the level of oil and other fluids

61 products

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

32 products

Depth Gauges

Reach into slots, counterbores, and other holes to measure depth

60 products

Gauging Pastes

Cover your tank-level ruler and change color to indicate the level of water or gasoline in your tank

2 products

Communication

Alarm Buzzers

Mount indoors and create a loud, vibrating noise

1 product

Material Handling

Forklift Fork Level Indicators

Mount to your forklift's mast to check if forks are level from the driver's seat

1 product

Sealing

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

14 products

Electrical Power, Networking, and Controlling

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

5 products

Ultrasonic Sensors

Measure the distance to objects and the level of liquids and materials

20 products