Best Alcohol Gas Detector for Methanol, Ethanol, IPA (2024 udpate)

Alcohol Gas Detector, Ethanol Gas Detector, Ethylene Detector, Isopropanol Gas Detector, Methanethiol Gas Detector, Methanol Gas Detector -

Best Alcohol Gas Detector for Methanol, Ethanol, IPA (2024 udpate)

Alcohol gas detectors are crucial instruments for detecting harmful alcohol gases, such as methanol, ethanol, and isopropanol (IPA) vapors, which are commonly used in the production of consumer plastics and industrial goods. Gas detection is essential in these settings, as alcohol vapors are highly flammable and can be detrimental when inhaled, often without any noticeable signs. Alcohol gas detectors play a vital role in ensuring human safety, particularly in industrial occupational areas where exposure to these gases is more likely. By accurately identifying the presence of harmful alcohol vapors, these detectors help prevent potential health hazards and maintain a secure working environment.



  • Alcohol Gas Detectors can detect and monitor gas levels in work areas
  • Alcohol Gas Detectors are able to keep work areas safe to prevent explosions.
  • Methanol, Ethanol, and Isopropanol gases are useful industrial and household liquids.
  • Alcohol Gas Detectors can be expensive, ranging from $100 to $4000
  • Methanol, Ethanol, and Isopropyl Gases are toxic and are flammable making them very dangrous
  • Alcohol vapors can accumulate quickly and ignite into an explosion

Best Alcohol Gas Detector (Methanol, Ethanol, & Isopropanol Gases) ? 

The best alcohol gas detectors, methanol gas detectors, ethanol gas detectors, and isopropanol gas detectors include:

What are Industrial Alcohol Gas Detectors?

Industrial gas alcohol detection typically involves the use of specialized alcohol gas detectors that are designed to detect the presence of alcohol vapors in the air. These detectors use various sensing technologies, such as electrochemical sensors or infrared sensors, to detect the concentration of alcohol gas in the air and provide an alarm or warning if the concentration exceeds a certain threshold.

Alcohol gas detectors are commonly used in industrial settings where alcohol is used as a solvent or fuel, such as in the production of alcoholic beverages, pharmaceuticals, or personal care products. They are also used in laboratories, research facilities, and other settings where alcohol is used as a reagent or solvent.

What is the Purpose of Detecting Alcohol Gas?

Alcohol gas detection is important for protecting workers from the potential health and safety hazards associated with exposure to alcohol vapors, such as flammability and toxicity. 

alcohol gas detector

What the difference between a Breathalyzer and a Alcohol Gas Detector?

Technically they can be considered the same. They detect alcohol vapor. However, they do have distinct differences.

A breathalyzer detects ethanol vapors in ones breath and translates that to a blood alcohol concentration. Typically these detectors are made with heated semiconducting metal oxide sensors made from Tin Dioxide (SnO2) commercialized by Figaro (Japan).

alcohol gas sensor detector

A alcohol gas detector is a gas detect made to read ethanol, methanol or isopropanol gas vapor in air and present the concentration in parts per million. Typically these are measurement instruments, point detection, stationary wall mount units or handheld personal protection meters. These alcohol detectors employ electrochemical, catalytic or semiconducting metal oxide gas sensor technology.

Gas sensor alcohol methanol isopropanol detector

What is Alcohol Gas?

Alcohol gas refers to the vapor or fumes that are released by liquid alcohol such as Ethanol, Methanol, and Isopropanol.

The primary component of alcohol gas is ethanol, which is the main type of alcohol found in alcoholic beverages such as beer, wine, and spirits. Ethanol is a volatile organic compound that easily evaporates into the air, and its presence can be detected by alcohol gas detectors.

What is Alcohol Used For?

Alcohol has many different uses and applications, both in commercial and personal settings. Here are some of the most common uses of alcohol:

  1. Beverages: Alcoholic beverages, such as beer, wine, and spirits, are consumed for their recreational and social value. They are also used in cooking and as flavoring agents.

  2. Cleaning: Alcohol is a common ingredient in household cleaners and disinfectants. It is effective in killing bacteria and viruses and can be used to sanitize surfaces.

  3. Industrial uses: Alcohol is used in a wide range of industrial processes, including as a solvent in chemical manufacturing and as a fuel additive.

  4. Medical uses: Alcohol is used in a variety of medical applications, including as an antiseptic, anesthetic, and disinfectant. It is also used as a solvent in the production of pharmaceuticals.

  5. Personal care products: Alcohol is a common ingredient in personal care products, such as perfumes, lotions, and hairsprays.

  6. Fuel: Ethanol, a type of alcohol, is used as a biofuel in some countries, particularly in the transportation industry.

    Who Uses an Alcohol Gas Detector?

    Alcohol Gas Detectors are sometimes called breathalyzers. However, alcohol gas detectors that we are focusing on here are used for ensure workplace safety, particularly in manufacturing environments where ethanol or methanol are used in large quantities.

    Therefore alcohol gas detectors are used by:

    • Workers who need to ensure an area will not explode due to alcohol vapor.
    • Employers that need to ensure a work area is safe for workers if the area is not safe than he and the workers risk health issues.
    • Instrumentation and process control and safety switching applications.
    alcohol gas detector

    Is Methanol, Isopropyl, or Ethanol Gases in the Outdoor Atmosphere?

    No, methanol, isopropyl, and ethanol vapors cannot be found in the outdoor atmosphere as they are man-made.

    Can You Smell Alcohol Gas?

    Yes, you can smell ethanol, methanol, and isopropyl. Ethanol has an odor threshold of 80 ppm and a wine-like odor. Methanol’s odor threshold is between 100 to 1500 ppm and smells similar to ethanol. Isopropyl’s odor threshold is 200 ppm and has a strong musty odor.

    How do You Test for Alcohol Gas?

    The simplest way you can detect alcohol, methanol, ethanol, and isopropyl gases is with an alcohol gas detector. 

    Is the Alcohol Gas Detector a Breathalyzer?

    The Forensics Detectors Alcohol Gas Detector is not a breathalyzer. A breathalyzer is designed differently in order to take the breath humidity and temperature change. An Alcohol Gas detector is more advanced since it is as a safety device to prevent human exposure to elevated levels of alcohol coming from manufacturing material leaks, flammability dangers and ensure personal protection.

    What Are Dangerous Alcohol Gas Levels? 

    OSHA states that the limit for ethanol vapor exposure is 1000pm in an 8-hour work period. The limits for methanol and isopropyl are lower, with methanol vapors being at 200 ppm in an 8-hour work period and isopropyl vapors at 400 ppm in an 8-hour work period. 

    How Much Does an Alcohol Gas Detector Cost? 

    Basic alcohol gas detectors can cost from $100 to $1000. More advanced alcohol gas detectors will usually be priced at $1000 to $4000 because they will offer more features and usually last longer. 

    How Does an Alcohol Gas Detector Work?

    Alcohol gas detectors, ethanol gas detectors, and methanol gas detectors utilize an electronic sensor components that outputs a voltage proportional to the detector alcohol concentration.  Once the detector has found alcohol vapors that exceed the preset threshold concentrations in parts per million, the unit activates an alarm to let the user know that ethanol, methanol, or isopropyl is in the air.

    How Are Humans Exposed to Alcohol Gases?

    The most common areas where alcohol gases exist are in labs, factories, and other manufacturing workplaces which utilize alcohol as a feedstock or processing agent. People who work in these areas are most at risk when being exposed to higher volumes of alcohol gas and vapors.

    Is Alcohol Gas Harmful to Human Health?


    The New Jersey Department of Health has stated that if a human inhales Ethanol, it could affect consciousness, livers, and the nervous system. If exposed for long enough, it could ultimately be fatal. 

    Methanol, according to the CDC, could cause nausea, vomiting, and respiratory issues, and could also be fatal. The gas can also have long-term effects, such as vision damage and dermatitis. 

    Finally, Isopropyl can cause irritation in the eyes, and throat; dizziness, and drowsiness.

    What is Another Name for common Alcohol Gases?

    Ethanol, methanol, and Isopropyl go by multiple different names. Ethanol goes by multiple names such as ethyl alcohol, drinking alcohol, grain alcohol, or alcohol. Methanol can go by methyl alcohol and wood spirit. Different names for Isopropyl are isopropanol, 2-propanol and IPA.

    alcohol gas sensor detector methanol ethanol

      How is Alcohol Gas Made?

      Ethanol is produced in a process called the Dry Mill Process, which turns grinds corn and ferments it until it is ethanol. Methanol is made from natural gases reforming, converting, then being distilled to create methanol.  The main method of producing Isopropyl is by combing propylene and water into a hydration reaction.

      What Happens if You Inhale Alcohol Gas?

      According to the CDC, inhalation of toxic alcohol fumes can be extremely dangerous for the human body. Results vary from the amount of time exposed to the fumes as well as the total ppm amount, long exposure to toxic ethanol, methanol, or isopropyl vapors can result in nervous system damage, coma, liver damage, and even death. 

      What is the OSHA Recommend Exposure Limit for Ethanol?

      The OSHA (Occupational Safety and Health Administration) permissible exposure limit for ethanol is a time-weighted average (TWA) of 1000 parts per million (ppm) over an 8-hour workday. This means that employees can be exposed to an average concentration of ethanol gas in the air of up to 1000 ppm over an 8-hour shift without experiencing adverse health effects.

      What is the OSHA Recommend Exposure Limit for Methanol?

      The OSHA (Occupational Safety and Health Administration) permissible exposure limit for methanol is a time-weighted average (TWA) of 200 parts per million (ppm) over an 8-hour workday. This means that employees can be exposed to an average concentration of methanol gas in the air of up to 200 ppm over an 8-hour shift without experiencing adverse health effects.

      What is the OSHA Recommend Exposure Limit for Isopropanol?

      The OSHA (Occupational Safety and Health Administration) recommended exposure limit for isopropanol, also known as rubbing alcohol, is a time-weighted average (TWA) of 400 parts per million (ppm) over an 8-hour workday. This means that exposure to isopropanol gas in the air should be limited to an average concentration of 400 ppm or less over an 8-hour shift.

      alcohol gas detector

      Is Alcohol Gas Explosive? 

      OSHA states that Ethanol, Methanol, and Isopropyl can be flammable and explosive. Ethanol’s lower explosive limit (LEL) is 3.3% and its Upper explosive limit (UEL) is 19%. Methanol’s LEL is 6% and its UEL is 36%. Isopropyl’s LEL is 2.0% and its UEL is 12.7% at 200F.

      Final Words

      Alcohol vapors, such as ethanol, methanol, and isopropyl, pose significant risks to human health and safety due to their explosive nature and potential for harm when inhaled. Gas detection is crucial in environments where these vapors may accumulate quickly, as they can easily ignite and cause explosions. To ensure the safety of individuals working in or around areas with alcohol vapors, specialized gas detectors like Ethanol Gas Detectors, Methanol Gas Detectors, Isopropyl Gas Detectors, and Alcohol Gas Detectors are employed. These instruments continuously monitor the atmosphere, alerting personnel to dangerous levels of alcohol vapors and allowing for timely evacuation and mitigation measures.

          About the Author

          Dr. Kos Galatsis ("Dr.Koz") is the President of FORENSICS DETECTORS, where the company operates from the scenic Palos Verdes Peninsula in Los Angeles, California. He is a subject matter expert on gas sensor technology, gas detectors, gas meters, and gas analyzers. He has been designing, building, manufacturing, and testing toxic gas detection systems for over 20 years.

          gas detector expert

          Every day is a blessing for Dr. Koz. He loves to help customers solve their unique problems. Dr. Koz also loves spending time with his wife and his three children going to the beach, grilling burgers, and enjoying the outdoors

          Read more about Forensics Detectors here.


          Phone: +1 424-341-3886