Leak Finders | McMaster-Carr

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Container Type

Applicator-Top Bottle

Gas Leak Detected

Chlorofluorocarbon (CFC)

Hydrochlorofluorocarbon (HCFC)

Hydrofluorocarbon (HFC)

Hydrogen Sulfide

Methanol (Methyl Alcohol)

Alert Type

Bubbling Action

Digital Display

Mobile App Notification

Vibrating Alarm

System of Measurement

Container Size

For Use With

Diesel Fuel Systems

Gasoline Fuel Systems

Hydraulic Systems

Hydraulic Fluid

Oxygen Compatible

Color

Fluorescent Blue/Green

Fluorescent Green

Fluorescent Orange

Fluorescent Red

Fluorescent Yellow

Fluorescent Yellow/Green

Power Source

REACH

Maximum Temperature

Less than 150° F

150° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Export Control Classification Number (ECCN)

Minimum Temperature

-50° F or less

-49° F to -25° F

-24° F to -1° F

0° F to 24° F

25° F or greater

RoHS

Compliant with Exemptions

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

DFARS Specialty Metals

Environment

Food and Beverage

Performance

Contaminant-Free

High Visibility

Noise Filtering

Maximum Pressure

Less than 250 psi

250 psi to 499 psi

500 psi to 999 psi

1,000 psi to 2,999 psi

3,000 psi or greater

Detects

Carbon Monoxide

Hydrogen Sulfide

Toluene (Methylbenzene)

Electrical Connection

Maximum Pressure Generated

Less than 250 psi

250 psi to 499 psi

500 psi to 999 psi

1,000 psi to 2,999 psi

3,000 psi or greater

Display Type

Dye Type

Wavelength

365 nm to 400 nm

395 nm to 410 nm

Material

Stainless Steel

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234 Products

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Gas Leak Detectors

Quick-Spot Compressed Gas Leak Detectors

Quick-Spot Compressed Gas Leak Detectors

Bubbling action at the source of the leak provides quick, reliable detection

Quick-Spot Vacuum and Pressure Gas Leak Detectors

Quick-Spot Vacuum and Pressure Gas Leak Detectors

Dispense a foam that bubbles over pressure leaks and forms a crater over vacuum leaks

High-Visibility Quick-Spot Compressed Gas Leak Detectors

High-Visibility Quick-Spot Compressed Gas Leak Detectors

Fluorescent green so you can see leaks more easily than other quick-spot detectors

Acoustic Imaging Gas Leak Detectors

Acoustic Imaging Gas Leak Detectors

Built-in microphones locate leaks up to 10 times faster than traditional leak detectors

Gas Leak Detectors for Hard-to-Reach Areas

Gas Leak Detectors for Hard-to-Reach Areas

Access hard-to-reach areas with the flexible probe to identify a variety of small leaks

Ultrasonic Gas Leak Detectors

Ultrasonic Gas Leak Detectors

Convert ultrasonic sound to an audible tone to find leaks and other failure points

Economy Gas Leak Detectors

Economy Gas Leak Detectors

Pocket-sized to check for combustible gas leaks around your facility

Infrared Refrigerant Leak Detectors

Infrared Refrigerant Leak Detectors

More sensitive than standard detectors to identify leaks as small as 0.03 ounces per year

Refrigerant Leak Detectors

Refrigerant Leak Detectors

Detect halogenated refrigerants such as HFC, CFC, and HCFC

Other Products

Smoke Powder

No flame needed—release a burst of powder to detect airflow and leaks in HVAC systems

Leak-Detecting Dyes

Leak-Detecting Dyes

Bright colors help you spot leaks in water and hydraulic systems without using ultraviolet light

Thermal Cameras

Thermal Cameras

Detect hot spots, leaks, moisture problems, and construction defects invisible to the eye

Compression Testers

Compression Testers

Check engine compression to maintain top performance

Ultraviolet Inspection Lights

Ultraviolet Inspection Lights

Shine on equipment to detect traces left behind by leaks, rodents, and other contaminants

Alarm Buzzers

Mount indoors and create a loud, vibrating noise

Smoke Pens

Produce smoke to observe airflow and detect leaks in HVAC systems; reusable, unlike smoke candles

Smoke Pellets

Detect airflow and leaks in HVAC systems near server rooms and other areas with electronics

Development Board Sensor Modules

Development Board Sensor Modules

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

Combustion Analyzers

Combustion Analyzers

Measure boiler and furnace combustion efficiency

Monoculars

Magnify still objects from far away to view features you couldn't see with the naked eye

Water Detectors

Water Detectors

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

Leak-Detecting Pipe Flange Covers

Leak-Detecting Pipe Flange Covers

Wrap around pipe flanges to show when there's a leak and contain it

Test Pumps

Force air or liquid through your system to look for leaks; often called hydrostatic test pumps

Stethoscopes

Detect internal mechanical problems like worn parts, excessive vibration, and fluid leaks

Ultraviolet Curing Lamps

Ultraviolet Curing Lamps

Cure adhesives and sealants, inspect parts for quality, or detect leaks

Carbon Monoxide Detectors

Carbon Monoxide Detectors

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

Smoke Candles

Light the wick for a short burst of smoke to observe airflow and detect leaks in HVAC systems

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

Multi-Gas Detectors

Multi-Gas Detectors

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

Radiation Detectors

Radiation Detectors

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

Flashlights

Direct a beam of light to precisely where it's needed

Hydrogen Detectors

Hydrogen Detectors

Alarms and lights alert you to the presence of hydrogen

Hydrogen Sulfide Detectors

Hydrogen Sulfide Detectors

Alarms and lights alert you to high levels of hydrogen sulfide

Oxygen Detectors

Oxygen Detectors

Too much or too little oxygen triggers alarms and warning lights

Radiation Dose Meters

Radiation Dose Meters

Attach to your pocket or nearby objects to track the accumulated radiation you've been exposed to

Carbon Dioxide Meters

Carbon Dioxide Meters

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

Fog Machines

Produce a continuous fog to observe airflow and detect leaks in HVAC systems

Methane Detectors

Methane Detectors

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

Microscopes

Enlarge the view of small parts and samples for inspection and assembly

Portable Work Lights

Portable Work Lights

Bring lighting to poorly lit or completely dark areas

Propane Detectors

Propane Detectors

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

Vibration Meters

Vibration Meters

Spot-check vibration to gauge the health of your machine

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