LED Indicators | McMaster-Carr

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533 Products

Communication

Indicator Lights

Indicator Lights

Call attention to hazards and changes in status with flashing, strobe, and other lights

Audible Alarms/Indicator Lights

Audible Alarms/Indicator Lights

Alert people with both light and sound

Traffic Lights

Signal and direct traffic

Barricade Lights

Barricade Lights

Mount to barricades so they're easier to see in low-light conditions

Vehicle Lights

Illuminate your way, mark your vehicle's clearance, or send signals to people and drivers

Aircraft Signal Lights

Aircraft Signal Lights

Mount to the top of towers to warn low-flying aircraft

Display Screens

Display Screens

Display text, numbers, symbols, and other information from your electronics

Measuring and Inspecting

Tachometers

Measure the speed of rotating parts on machines such as shafts, gears, and belts

Electrical Panel Meters

Electrical Panel Meters

See the amount of electricity used to run motors, generators, and other equipment

Multimeters

Take current, voltage, resistance, and other electrical measurements

Electrical Resistance Meters

Electrical Resistance Meters

Prevent damage to electronics by checking material and surfaces for static discharge

Stroboscopes

Shine a bright flashing light at moving belts and pulleys to measure speed and detect wear

Electronic-Component Testers

Electronic-Component Testers

Test, identify, and troubleshoot components such as circuit boards and diodes

Inspection Indicators

Inspection Indicators

Mount to your equipment for a signal when it's time for maintenance or inspection

Light Meters

Measure light quality and intensity

Temperature and Humidity Meters

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

Load Cell Displays

Load Cell Displays

Connect to load cells to view weight measurements

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

Levels

Ensure surfaces are completely horizontal or vertical

Scales

Bench-top, hanging, floor, and conveyor scales

Tire Gauges

Check tire pressure

Data Recorders

Log temperature, humidity, or pressure levels to track changes and troubleshoot your system

Compression Testers

Compression Testers

Check engine compression to maintain top performance

Thickness Gauges

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

Gas Leak Detectors

Gas Leak Detectors

Find gas leaks in pipes, tubes, fittings, tanks, cylinders, and valves

Lighting

Light Bulbs

Standard household, miniature, compact, tubular, ultraviolet, infrared, and blacklight bulbs

Light Pipes

Concentrate and direct light from the bulb on a circuit board to a display

Fluid Handling

Humidity Controllers

Humidity Controllers

Monitor humidity and control it by automatically turning equipment on and off

Noncontact Temperature Sensors

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

Flow Switches

Turn equipment on or off when flow rate reaches a set point

Electrical

Multifunction Chemistry Controllers

Multifunction Chemistry Controllers

Use pH or oxidation reduction potential (ORP) levels to turn equipment on or off

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

Safety Equipment

Fire Alarms

Alert people to fires with loud warnings

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