Safety Alarms | McMaster-Carr

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High-Pressure Washdown

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70 dBA to 80 dBA @ 3.3 ft.

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Number of Lights

Mounting Profile

802 Products

Communication

Indicator Lights

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

235 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

64 products

Audible Alarms

Everything from bells and whistles to horns and sirens

149 products

Traffic Lights

Signal and direct traffic

5 products

Sump Pump Alarms

Warn you when water levels in your sump pump rise too high

1 product

Aircraft Signal Lights

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

2 products

Measuring and Inspecting

Wristwatches

Display the time, date, and smart functions on your wrist and keep your hands free

1 product

Thermometers

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

4 products

Vibration Monitors

Mount to your machine to continuously monitor vibration and ensure it stays within the proper range

10 products

Barometers

Measure atmospheric pressure changes

2 products

Data Recorders

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

18 products

Static Charge Meters

Locate and accurately measure static charges in environments with sensitive electronic equipment

2 products

Gas Leak Detectors

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

6 products

Radiation Detectors

Test for radiation, even in low amounts or from microwave ovens

5 products

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

1 product

Fluid Handling

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

2 products

Water Detector Sensors

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

1 product

Differential Pressure and Vacuum Gauges

Show changes in pressure and vacuum to monitor fans, blowers, and filters

6 products

Electrical

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

5 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

1 product

Control Panels

Connect and monitor your fire alarm system

1 product

Vibration Switches

Monitor vibration in machinery and shut it down or sound an alarm if levels rise

4 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

24 products

Batteries

Household, button/coin cell, large-cell, and cordless tool batteries

1 product

Facility and Grounds Maintenance

Faucet Timers

Count down to encourage effective handwashing that helps prevent the spread of illness

1 product

Heating, Ventilation, and Air Conditioning

Thermostats

Connect to heaters, fans, and air conditioners to control the temperature

1 product

Building and Machinery Hardware

Lock Cylinders

Install in doors to lock and unlock them with a key

1 product

Push Bars

Open doors with a push; often found on emergency exits

5 products

Safety Equipment

Fire Alarm Pull Stations

Activate to send a signal to your control panel if there's a fire

3 products

Heat Stress Monitors

Measure temperature, humidity, and radiant heat to keep people safe from heat-related hazards

4 products

Multi-Gas Detectors

Monitor air for carbon monoxide and combustible gases including methane, hydrogen, and propane

3 products

Oxygen Detectors

Too much or too little oxygen triggers alarms and warning lights

2 products

Carbon Dioxide Meters

Measure and display real-time carbon dioxide levels for indoor ventilation quality

1 product

Hydrogen Detectors

Alarms and lights alert you to the presence of hydrogen

2 products

Propane Detectors

Alarms and lights alert you to the presence of propane instantly or after a set exposure time

1 product

Methane Detectors

Alarms and lights alert you to the presence of methane instantly or after a set exposure time

1 product

Smoke Detectors

Warn people when there's smoke in your facility

7 products

Heat Detectors

Signal your control panel when the temperature rises above a set level

4 products

Fire Extinguisher Alarms

Discourage theft and vandalism by sounding an alarm if anyone moves your fire extinguisher

1 product

Carbon Monoxide Detectors

Alarms, lights, or color changes alert you to the presence of carbon monoxide

4 products

Hydrogen Sulfide Detectors

Alarms and lights alert you to high levels of hydrogen sulfide

2 products

Sound Level Monitors

Continuously measure ambient sound levels to confirm they fall within your programmed thresholds

2 products

Fire Alarms

Alert people to fires with loud warnings

10 products