A dosimeter is a portable measuring instrument that is worn on personal clothing. Usually, a dosimeter is attached to clothes with mounting clips, hence the popular name badge dosimeter.

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What is a dosimeter, and why is it important?

Dosimeters are essential tools in many industries, including healthcare, nuclear power, and manufacturing. They provide accurate and reliable measurements of a worker’s exposure to potentially harmful physical agents, such as noise, vibration, radiation, or various gases.

A dosimeter is a portable measuring instrument that is worn on personal clothing. Usually, a dosimeter is attached to clothes with mounting clips, hence the popular name badge dosimeter. Because the dosimeter is worn on personal clothing, it makes it convenient and unobtrusive for workers to wear. These instruments are particularly important for workers who move between many different locations during the working day, as dosimeters can provide a cumulative measurement of their exposure over time. The measurements taken by dosimeters help employers identify potential health and safety risks and take appropriate measures to protect their workers from exposure to harmful agents.

what is personal dosimeter

What is a personal dosimeter?

A personal dosimeter is a portable measuring device that is worn on a person’s clothing to find out how much radiation, noise, or chemical gases that person is exposed to. The word “personal” means that it is worn by a specific person and measures their unique exposure. This is different from an area monitor, which measures the exposure in a certain place. Personal dosimeters are typically small and lightweight and may be worn as a badge or attached to a person’s clothing with mounting clips. They are an important tool for monitoring and controlling exposure to physical agents in the workplace and can help protect workers from potentially harmful levels of exposure.

Before and after each set of daily measurements, dosimeters should be calibrated to make sure they are accurate and to confirm the results. In addition, dosimeters should be verified for accuracy at least once every two years and every time any physical damage is reported, such as dropping the dosimeter on the floor. It is also important to follow the manufacturer’s recommended calibration schedule for the specific dosimeter model being used.

There are cost-effective options for purchasing dosimeters. It is important to consider factors beyond the initial purchase price, such as the cost of required accessories, calibration, and maintenance over time. Some manufacturers offer bundled packages that include dosimeters and necessary accessories, which can provide cost savings. Additionally, purchasing from a reputable seller that offers calibration and technical support services can also help save money in the long run. It is also important to consider the level of accuracy and sensitivity required for the specific application, as choosing a lower-accuracy or lower-sensitivity dosimeter may result in cost savings but may not provide adequate protection for workers.

How do dosimeters work and how are they used?

Dosimeters work by measuring the amount of harmful physical agents that a person is exposed to over a period of time. The dosimeter analyzes and records data so it can be used for postprocessing and reporting. Dosimeters are typically worn on the body, such as on the chest or collar, or attached to personal protective equipment such as a hard hat.

Dosimeters are used in industries like nuclear power, healthcare, manufacturing, and construction where workers are exposed to dangerous physical agents. Dosimeters are very important for keeping workers safe and making sure that safety rules are followed because they allow accurate and continuous monitoring of exposure levels. They are also an important way to find out about possible health risks and figure out what steps to take to reduce exposure. Dosimeters are also used in research settings to measure physical agent levels in experimental environments (for example, airspace with zero gravity).

how do dosimeter work

How long should a personal dosimeter be worn?

A personal dosimeter should be worn for as long as the measurement standard for the physical agent being monitored says it should. Typically, a personal dosimeter is worn for a full working day, which is usually defined as at least 8 hours. But depending on the conditions of the workplace and the physical agent being monitored, some standards may call for shorter or longer monitoring times. For example, if workers are all staying in one location and are exposed to the same conditions, a shorter monitoring period of 5 hours may be used. It is important to follow the manufacturer’s instructions for programming and wearing the dosimeter and to avoid taking it off during the monitoring period, as this can disrupt the accuracy of the readings. Many dosimeters can be programmed to exclude data during break times to provide more accurate exposure measurements.

What are the different types of dosimeters available?

different types of dosimeters

The type of dosimeter used will depend on the specific workplace environment, the type of physical agent to be measured, and the required accuracy class in the regulations.

Dosimeters are available in different types, depending on the type of physical agent to be measured and the specific measurement regulations in the given work environment (e.g. ISO, OSHA). The most common types of dosimeters include radiation dosimeters, chemical gas dosimeters, noise dosimeters, and vibration dosimeters.

Dosimeters can also be grouped by how well they work or how sensitive they are, usually as Class 1 or Class 2 devices. Class 1 dosimeters have a higher level of accuracy and can measure exposure to lower levels of physical agents. Class 2 dosimeters are not as sensitive as class 1 dosimeters, but they still give accurate readings in most work environments.

Another important classification of dosimeters is their ability to be used in hazardous zones. There are intrinsically safe dosimeters and non-intrinsically safe dosimeters. Intrinsically safe dosimeters are designed to be used in environments where explosive or flammable gases, vapors, or liquids may be present, such as in refineries or chemical plants. They are designed to prevent sparks or heat from being generated, even under harsh environmental conditions. Non-intrinsically safe dosimeters can be used in most workplace environments but are not suitable for use in hazardous zones.

What is an intrinsically safe dosimeter?

An intrinsically safe dosimeter is a special kind of dosimeter that is made to meet strict safety standards, such as ATEX or IECEX, so that it can be used safely in places where there is a risk of explosions. Some of these places of work are mines, refineries, and petrochemical plants, where there may be flammable gases, vapors, or liquids.

Intrinsically safe dosimeters are made with special parts and materials that keep them from sparking or getting too hot, even when they are being used in harsh conditions or under a lot of mechanical stress. This is known as intrinsic safety and is critical in preventing explosions or fires in hazardous workplaces.

Intrinsically safe dosimeters have to be used in many industries and places of work where there are explosive atmospheres. They provide reliable and accurate measurements of exposure to radiation or other physical agents while ensuring the safety of workers and equipment.

What are the unique features and benefits of each type of dosimeter?

It’s important to think about the features and benefits of each type of dosimeter when choosing the right one for a given workplace and application. Each type of dosimeter has its own features and benefits that make it best for certain situations and uses in the workplace. Some of the key features and benefits of different types of dosimeters include:

  • Professional vs. non-professional: Professional dosimeters are designed to meet relevant industry standards and regulations, while non-professional dosimeters may not be as accurate or reliable
  • Battery Life: The operating time on the battery can vary between different types of dosimeters, with some models lasting for weeks or even months
  • Ease of Use: Some dosimeters may have mobile apps or other software features that make them easier to use and more convenient for workers
  • Robustness: Dosimeters made for harsh environments may have extra features, like being able to withstand impacts or being waterproof, to make sure they work well in those conditions
  • Intrinsic Safety: intrinsically safe dosimeters are designed to prevent sparks or heat from being generated, even under harsh environmental conditions, making them safe for use in explosive or flammable environments
  • Logging and software: Some dosimeters may have logging and software features that allow for detailed reporting and analysis of exposure levels, as well as the detection of any attempts by workers to cheat or fake results
  • Length of the warranty: A dosimeter’s warranty can be different lengths, with some models offering longer warranties to give you more peace of mind.
unique features of dosimeters

What factors should be considered when choosing a dosimeter?

It’s important not to choose a dosimeter based on price alone, since it’s a working tool that can save money and costs in the long run by keeping the workplace safe and preventing health risks to workers. There are several things to think about when choosing a dosimeter to make sure measurements are accurate and reliable and to keep the workplace safe. Some of the key factors to consider include:

  • Meeting Relevant Standards: The dosimeter should meet relevant industry standards and rules, such as ISO or OSHA, to make sure measurements are accurate and reliable and that safety rules are followed
  • Ranges of Measurement: The dosimeter should be able to measure the right levels and frequencies of physical agents in the workplace
  • Integration with Other Systems: The dosimeter should be easy to integrate with other monitoring systems, as workers may be required to use multiple types of dosimeters or other monitoring equipment
  • Warranty Coverage: You should think about the dosimeter’s length and type of warranty coverage, as well as any specific warranty coverage for parts like microphones or sensors.
  • Technical Support: You should also think about how easy it is to get and how good the technical support is. This can be important if any problems come up with the dosimeter.

How much do dosimeters cost and where can they be purchased?

The price of a dosimeter can change based on the type of dosimeter and the features and extras that come with it. It is important to note that dosimeters should not be considered standalone units as they may require additional parts, such as calibrators or software features.

Intrinsically safe dosimeters tend to have higher prices due to their advanced construction and the additional certifications required. Dosimeters are often used by large groups of workers and are often sold in packages that include multiple dosimeters and a single calibrator that can be used for multiple dosimeters.

Dosimeters may require verification or calibration certificates from ISO 17025 laboratories, and it is recommended to choose a seller that provides calibration service as it can often be cheaper.

Online shops may offer dosimeters for around $950, but it is not recommended to choose a dosimeter solely based on price. Professionals often choose ready-to-measure kits that start at around $1.6k USD, as these kits typically include the necessary accessories and features needed for accurate measurements. It is important to consider the total cost of ownership in time, including the cost of any necessary accessories or services when choosing a dosimeter.

How can businesses save money on dosimeters without sacrificing quality?

Taking a few things into account can help businesses save money on dosimeters without sacrificing quality. First, it’s important to get dosimeters from well-known companies that have a history of making high-quality, reliable products. Secondly, businesses should consider the durability of the dosimeter and its components, such as the microphone, to ensure that they will require minimal maintenance and repair over time. Additionally, purchasing dosimeters in kits or bundled packages can often provide cost savings, as can choosing a seller that offers technical support services to ensure proper usage and maintenance. It is also important to consider the level of accuracy and sensitivity required for the specific application, as choosing a lower-accuracy or lower-sensitivity dosimeter may result in cost savings but may not provide adequate protection for workers. By taking these factors into account, businesses can make informed decisions when purchasing dosimeters that provide high-quality and cost-effective solutions for monitoring physical agents in the workplace.

how can business save money on dosimeters

What are some best practices for using a dosimeter?

When using a dosimeter, there are a few best practices to follow to get accurate measurements and keep the work area safe. If you follow these best practices, the dosimeter will be more likely to give accurate readings and keep the work area safe:

  • Calibration: it should be the most important thing, and dosimeters should be calibrated before and after each set of daily measurements to make sure they are accurate and confirm the results
  • Worker Instruction: they should be properly instructed on how to use the dosimeter and should be informed that cheating or falsifying results is detectable
  • Battery Charging: the battery should be charged before use, as dosimeter measurements usually take 8–12 hours and a sufficient battery charge is necessary
  • Dosimeter Marking: dosimeters should be marked with the user’s name or identification number, and the serial number should be noted for each user. If the dosimeter has a voice annotation feature, it can be used to make it easier to tell who is using it
  • Data Structure: user names or identification numbers, locations, and dates should be used to set up a clear structure for the dosimeter measurement data
  • Dosimeters should be checked for accuracy at least once every two years and any time they are physically damaged, like when they are dropped on the floor
  • Technical Support: get help with the dosimeter in case of any questions or problems with it.
dosimeters best practices

What are some common issues or limitations with dosimeter badges?

When using dosimeter badges, there are a few common problems and limits that should be taken into account. By being aware of these issues and taking appropriate measures to prevent them, dosimeter badges can provide valuable information on the exposure of individuals to physical agents in the workplace:

  • operating time of the battery, which may limit the length of time that the dosimeter can be in operation
  • dosimeter badges can be damaged by things like temperature and dust in the environment, which can make them less accurate and reliable
  • to prevent manipulation of the measurements, dosimeters should have keylocks that prevent unauthorized access
  • another issue can arise if the dosimeter is not attached in the correct location on the body, resulting in inaccurate measurements of the exposure to the physical agent
  • failure to calibrate the dosimeter can also result in inaccurate measurements, as can failure to set the correct time and date for the measurements

if the logging feature is not enabled, valuable data on exposure may be lost.

What are some common misconceptions about dosimeters?

There are several common misconceptions about dosimeters that can lead to misunderstandings about their purpose and effectiveness. It’s important to be aware of these common myths about dosimeters so that you can choose and use them in the workplace in a smart way: 

  • People often think that a dosimeter can work on its own, but in reality, it often needs other parts and accessories to work right. For example, a dosimeter may need a calibration device or software to make sure it is measuring things correctly.
  • Another misconception is that dosimeter results can be easily manipulated. In reality, modern dosimeters are designed with sophisticated technology to prevent cheating or falsification of results. Some dosimeters have motion detectors that can detect if the dosimeter is removed, while others use encrypted software to prevent unauthorized access to the data.
  • There is also a misconception that dosimeters are not advanced technology. In fact, dosimeters use advanced technology such as MEMS sensors to accurately measure exposure to physical agents such as vibration or noise.
  • Finally, some people believe that price is the most important factor when choosing a dosimeter. While price is certainly a consideration, it should not be the sole determining factor. It is important to consider factors such as accuracy, reliability, ease of use, and compliance with relevant safety standards when choosing a dosimeter.


Dosimeter: Key Takeways

  • Dosimeters are portable measuring instruments used to measure exposure to physical agents like radiation, noise, or chemical gases.
  • There are different types of dosimeters, including badge dosimeters, pocket dosimeters, and electronic personal dosimeters.
  • Dosimeters can be classified by their accuracy or sensitivity, typically as Class 1 or Class 2.
  • When choosing a dosimeter, it is important to consider factors such as meeting relevant standards, measurement ranges, ease of integration, warranty coverage, and technical support.
  • Personal dosimeters are worn on a person’s clothing to measure their unique exposure to physical agents and should be worn for a period of time determined by relevant measurement standards.
  • Businesses can save money on dosimeters without sacrificing quality by choosing reputable manufacturers, considering dosimeter durability, checking offers for bundled kits, and ensuring access to skilled technical support.
dosimeters key takeways

Noise Dosimeters: Buyers Guide


A noise dosimeter is a device that measures the noise exposure of a worker over a period of time and is usually worn on the shoulder. It is designed to meet the accuracy standards set by IEC 61252 for noise dosimeters and IEC 61672 for class 2 sound level meters. These devices are essential for complying with occupational health and safety regulations such as OSHA’s 29 CFR 1910.95 Occupational Noise Exposure Standard or the EU Directive 2003/10/EC.


Noise dosimeters come in two accuracy classes: Class 1 and Class 2. Class 1 devices are more precise and are commonly used in professional settings, while Class 2 devices are suitable for general use. In addition to accuracy, noise dosimeters can also be classified as either intrinsically safe or non-intrinsically safe. Intrinsically safe devices are specially designed to be used in potentially explosive environments and have safety features that prevent ignition. Non-intrinsically safe devices can be used in less hazardous environments. When choosing a noise dosimeter, it is essential to consider the accuracy class and safety classification that best suits the work environment.

Noise sources

The main reason to use a noise dosimeter is to figure out how much noise or vibration people are exposed to, no matter where it comes from. Therefore, a noise dosimeter can be used to measure noise coming from machines as well as noise from the outdoor environment and other sources that contribute to the overall exposure. These sources of noise may include transportation, construction sites, industrial facilities, and even household appliances. By measuring the overall exposure, a noise dosimeter can help identify specific sources of noise that may be harmful to human health and guide the implementation of appropriate noise control measures to mitigate the risks.

noise sources

Noise Dosimeter Applications

Noise dosimeters are often used in places of work where people might be exposed to too much noise or vibration that could be harmful. For example, they are used on construction sites, in factories, at airports, and other places where the noise level is loud enough to damage hearing. Noise dosimeters are also used in the entertainment industry to monitor noise levels in concert venues, theatres, and other performance spaces. They can also be used in health care settings to measure how loud it is in hospital wards and clinics. Overall, noise dosimeters are essential tools for identifying and mitigating the risk of noise-induced hearing loss in various industries and workplaces.

Research and development applications

The use of dosimeters has not only helped in assessing the risk of exposure to noise in the workplace but also impacted the design and development processes of machines and tools. Manufacturers are now incorporating dosimeters as a standard tool in research and development to ensure that their products meet regulatory requirements for noise and vibration. This has led to the widespread use of dosimeters not only as an occupational health and safety tool but also as a crucial component in the design and development process for machines and tools.

Dosimeters can be used in this way to find possible noise and vibration sources and take steps to reduce them during the design process. By considering the impact of noise on human health and safety from the start, it’s possible to create products that are safer to use and more appropriate for a wide range of applications. Overall, the use of dosimeters in research and development has been a key part of lowering exposure levels and keeping workers safe and healthy. 

Noise Dosimeter Reviews

Dosimeters are an important part of health and safety programs at work because they measure noise exposure. Here are some reviews of popular noise dosimeters:

  • Svantek SV 104A: This classic badge-type dosimeter features a unique MEMS microphone that offers a lifetime warranty, which is a world-first patented feature. The unit is highly intelligent and can identify noise sources by audio and frequency. The price for ready-to-go kits starts at $1.6k, making it an excellent option for the automotive, construction, and production industries.
  • Svantek SV 104IS: This intrinsically safe dosimeter is a version of the badge-type dosimeter designed for hazardous zones. It also features a MEMS microphone with a lifetime warranty and noise source recognition. Due to its safety requirements for ATEX, it is more expensive than the standard version and requires a docking station for charging. Recommended for mines, petrochemical, and chemical industries.
  • Svantek SV 102A: This is the only class 1 noise dosimeter that can measure noise on both sides of the head simultaneously, thanks to its two measurement channels. While the price of the SV 102A is higher than that of classic “badge-type” dosimeters, it offers unique functions. It can use two microphones to measure with high precision and can also measure noise inside the ear with a specialized microphone, the MIRE. This feature is useful for call centers or under helmets. Recommended applications include military (pilots or tank operators), airship crews (e.g., NASA), and call centers.
noise dosimeters reviews

Noise Dosimeters: User Tips


Calibration is an important part of using noise and vibration dosimeters to make sure that the measurements are accurate and reliable. The accuracy of these dosimeters should be checked every one to two years or whenever they are fixed. Also, hand-held calibrators are often used to check their accuracy before and after a series of daily measurements. This user calibration lets the results be compared to those from a lab calibration, which makes sure that the measurements are accurate and correct. It is important to remember that a dosimeter needs to be calibrated to make sure that the results it gives are accurate. A calibrated noise dosimeter will give you accurate and reliable measurements, which are important for making sure your workplace is safe and that you are following the rules. 

Common errors

Understanding and addressing these common sources of error can help ensure accurate and reliable noise dosimeter measurements:

  • Microphones that don’t work right are one of the main reasons why dosimeter measurements are often wrong. Calibration is used to find this kind of damage and make sure that the measurements are accurate.
  • Incorrect settings: dosimeters have various setting parameters that can be adjusted depending on the application, and it’s essential to validate these settings before conducting real measurements. To avoid this type of error, it’s common to conduct testing measurements prior to the actual measurements to ensure that the dosimeter is set up correctly.
  • Inadequate training of personnel in dosimeter use: failure to properly secure the dosimeter during measurement, and power supply issues.

Noise Dosimeter: Good practice

To make sure a dosimeter works well and is accurate, it’s important to handle it and care for it in the right way:

  • Store the dosimeter in a protective case with a foam interior when transporting it and periodically recharge the battery.
  • Have the dosimeter checked by a recognized lab every so often to make sure it’s giving accurate readings.
  • Teach workers how important it is to handle the dosimeter carefully and be aware of possible sensor damage, so problems can be avoided.
  • Keep track of how the dosimeter is used to make sure it is calibrated and maintained correctly. 

Safety precautions

As with any electronic equipment, there are certain safety precautions that should be taken when using dosimeters:

  • Use dosimeters that have certificates of intrinsic safety in dangerous areas. These devices are made to stop sparks and reduce the chance of explosions in places where they could happen.
  • If noise dosimeters can record audio in real-time, so it’s important to let workers know if this feature is being used and protect their privacy.
  • Educate workers about the purpose of the measurements and provide guidance on how to use the dosimeter safely. This includes ensuring that the dosimeter is properly secured during measurement and taking care when handling and storing the device.
dosimeters safety precautions

Storage Tips

Dosimeters are useful tools for figuring out how much exposure people have to risk factors that can hurt their health. But if there are mistakes in measurements, they may need to be done again, which can take time and cost money. To avoid this, it’s crucial to handle and store dosimeters properly:

  • Dosimeters should be transported in a protective case or box with foam padding to prevent damage from accidental drops.
  • Store dosimeters at normal room temperatures and humidity levels to ensure their accuracy and reliability.

Furthermore, it’s worth noting that dosimeters are sophisticated electronic devices that can be expensive to replace if damaged, making it especially important to handle them with care. Proper storage of dosimeters can help ensure that they provide accurate and reliable measurements, saving time and resources while helping to maintain a safe and healthy work environment.

Noise Dosimeter Results Interpretation

After a measurement is taken with a dosimeter, the results are typically stored in a data file that contains information about the measured noise or vibration levels and the time of the measurements. Most of the time, these results are applied to an 8-hour period and compared to limits that have already been set. For example, the noise result for an 8-hour period is referred to as a noise dose, which is equivalent to a certain decibel level. Understanding how to interpret and use these results is essential to assessing the impact of noise and vibration on human health and safety. Interpreting dosimeter results involves analyzing the measured noise levels and comparing them to applicable regulatory limits or standards. If the results indicate that noise levels exceed the permissible limits, appropriate measures must be taken to reduce noise exposure and protect workers’ health and safety. Proper interpretation and use of dosimeter results are crucial for maintaining a safe and healthy work environment.

noise dosimeter results

Measurement Standards

There are noise standards for dosimeter measurements that are meant to keep people safe and healthy. These standards include ISO, IEC, OSHA, NIOSH, and ACGIH, among others. These standards may be adapted to suit the specific requirements of different countries and regions. However, the principles of measurement are generally similar in all locations, as humans react similarly to exposure to noise regardless of geographic location. It’s essential to follow these regulatory standards and guidelines when using dosimeters to ensure the accuracy and reliability of the measurements and to protect the health and safety of workers. Compliance with these standards is critical to maintaining a safe and healthy work environment and avoiding potential legal issues. The most commonly applied measurement standards for noise dosimeters are:

  • OSHA 29 CFR 1910.95 Occupational Noise Exposure Standard: This standard from the Occupational Safety and Health Administration (OSHA) in the United States establishes permissible exposure limits (PELs) for noise exposure in the workplace and requires employers to implement hearing conservation programs to protect workers.
  • ANSI S1.25: This standard from the American National Standards Institute (ANSI) provides guidelines for the measurement of noise exposure in the workplace, including the use of dosimeters.
  • ACGIH TLV for Noise: This threshold limit value (TLV) from the American Conference of Governmental Industrial Hygienists (ACGIH) provides recommendations for occupational exposure to noise, including a maximum permissible exposure level.
  • ISO 1999: This standard provides guidelines for the assessment of noise exposure and the prediction of noise-induced hearing loss.
  • ISO 9612: This standard outlines the general requirements for the measurement and evaluation of human exposure to occupational noise, including the use of dosimeters.

Noise Limits

United States

In the United States, national noise exposure regulations are established by OSHA 29 CFR 1910.95 1983. This standard is based on the earlier Walsh-Healey Act of 1969. Above 85 dBA, employers are required to develop and implement a hearing conservation program that includes all types of noises between 80 and 130 dB, including impulsive noise. Instruments must be calibrated appropriately and regularly, and workers must be notified of the risks and allowed to observe. An audiometric program must be undertaken, and records of all results must be retained for 2 years for measurements and for the duration of employment for audiometric records. Above 90 dBA, noise reduction engineering must be undertaken, and the noise output from specific machines or processes must be reduced. Barriers, enclosures, and absorption techniques must be used to protect workers while trying to reduce high noise levels.


In the UK, noise exposure regulations are established by the Noise at Work Regulations of 1989, which are based on the “Control of noise levels at work hazardous to health” document of 1972. Below 85 dBA, employers are required to reduce all noise levels as far as reasonably practicable. Between 85 and 90 dBA, effective hearing protectors must be offered, and personnel must be trained to use them and look after them. Above 90 dBA, areas, where noise levels exceed 90 dBA, must be marked out, and hearing protectors must be provided and used. Noise levels must be reduced by engineering methods, and peak exceedance must be treated the same as noise levels exceeding 90 dBA. The “official” working day is taken to be exactly 8 hours, making it easier to compare across different industries and fitting in with other limits for hazardous substances in the workplace, such as gas, dust, and nuclear radiation.

European Union

In Europe, the DIRECTIVE 2003/10/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 6 February 2003 sets limits on how much noise people can be exposed to. This is done to protect workers from noise-related hearing loss. The directive sets two exposure limit values: a lower exposure action value of 80 dBA and an upper exposure action value of 85 dBA. When the lower or upper exposure action values are reached, employers must take steps to lower the noise level and protect workers. The directive also sets a peak sound pressure limit of 135 dB, which must not be exceeded. The EU Noise Directive applies to all industries and workplaces in the European Union. Its goal is to make sure that all member states have the same rules about noise exposure. Member states have to put the directive into their own laws, which may have more measures and requirements than the directive’s minimum requirements. 

Occupational health and safety programs

Dosimeters are an important part of health and safety programs in the workplace that are set up by governing bodies like the European Commission and OSHA in the United States. These programs set guidelines and requirements for the use of dosimeters to measure noise exposure in the workplace. As part of a health and safety program at work, dosimeters can help find potential dangers and figure out how noise and vibration affect workers. It can also help to identify areas where exposure levels exceed established limits and take steps to reduce or eliminate these exposures. Regular monitoring of exposure levels with dosimeters allows employers to take proactive measures to protect the health and safety of their workers and ensure that they are in compliance with regulatory standards. By following these guidelines and using dosimeters as part of their occupational health and safety programs, employers can take appropriate steps to protect their workers and prevent noise-induced hearing loss.

Advantages and limitations

Dosimeters have a lot of benefits when it comes to measuring noise exposure in real-time:

  • They can give a more accurate reading of exposure than traditional methods. Handheld meters may not be able to measure how the workplace changes over time, especially if workers move around or switch tasks often.

However, there can be limitations to using dosimeters as well:

  • For example, some workers may change their behavior when wearing a dosimeter, which can affect the accuracy of the measurements. Modern dosimeters are designed to be intelligent and can detect these unwanted behaviors, but educating workers about the importance of natural behavior is essential to obtaining the most representative results.

By understanding the advantages and limitations of using dosimeters, employers can effectively assess noise and vibration exposure in the workplace and take appropriate measures to protect their workers from noise-induced hearing loss.

The ultimate goal

The main reason dosimeters are used in health and safety programs at work is to reduce the chance of being overexposed to noise. Employers have to take action when the risk of being exposed to these dangers is high because of regulations. This can lead to extra costs like buying new equipment, building noise barriers, or putting in place rotation shifts. To avoid these costs, companies should make plans ahead of time and make sure their workplaces meet the rules. This can involve selecting equipment and tools that produce less noise or vibration, which can help reduce exposure levels not just in the workplace but also globally. By implementing a noise policy and using dosimeters to monitor and assess exposure levels, it’s possible to minimize the risk of overexposure and protect the health and safety of workers. This ultimately benefits both employers and employees by reducing healthcare costs, improving productivity, and maintaining regulatory compliance.

Training and Education

While using a dosimeter may seem straightforward, it’s important to recognize that proper training is necessary to ensure accurate and reliable measurements. Health and safety officers, in particular, need to be trained in the use of dosimeters, including how to set up the device, calibrate it, download and interpret the results and use it safely in hazardous environments. It’s also important to educate workers on the purpose of the measurement and the importance of behaving naturally while using a dosimeter.


Proper training is essential to ensure that the results obtained with a dosimeter are accurate and reliable. It’s also important to remember that dosimeters are electronic devices that can be damaged if not handled properly, so it’s important to educate workers about the risks of damage and how to use the device safely in safety zones. By investing in training and education, it’s possible to ensure that dosimeters are used effectively and efficiently to protect the health and safety of workers.

training and education

Noise dosimeter software and data management

An important part of measuring is the software that is used to figure out what the dosimeter results mean. Typically, dosimeter measurements are taken over a period of 3–5 working days and then averaged and compared to established limits. This process can be complex, particularly when dealing with large amounts of data. The use of specialized software can help streamline the process and make it more efficient.

One of the main advantages of using software for dosimeter data interpretation is the ability to integrate various measurements into a single database, which can be organized by worker name. This allows for easy tracking of trends and comparison of results over time. This can be especially important in cases where workers may be making claims for damages due to overexposure or seeking compensation for related injuries. By using software to manage and analyze dosimeter data, it’s possible to more accurately assess the risk of overexposure and take appropriate action to protect the health and safety of workers.

Impact of environmental factors

Dosimeters are electronic devices, so they need to be able to work in different temperatures, humidity, and atmospheric pressure conditions. To ensure accurate and reliable measurements, the dosimeter must be used within its operating range. This is especially important in places like mines, high altitudes, airplanes, spaceships, and ships at sea, where the conditions can be very different from normal workplaces.

If the specifications of the dosimeter don’t match the conditions in the workplace, the measurements might not be accurate. This could put workers’ safety at risk and make it hard to accurately measure the risk of overexposure to noise and vibration. By carefully choosing a dosimeter that is right for the job and taking into account its operating range, measurements can be accurate and reliable, protecting worker health and safety.

Maintenance and repair

Dosimeters are made to be tough and able to handle the demands of the workplace, but accidents or exposure to harsh conditions can still damage them. When this happens, the dosimeter needs to be fixed by the manufacturer or an authorized service center. This is because unauthorized repairs can cause more damage or give wrong readings.

To make sure that dosimeters are properly maintained, it’s important to buy them from a company that offers a warranty and better repair terms. Many companies give a 3-year warranty, which can give you peace of mind and keep you from having to pay for expensive repairs. It’s also a good idea to choose a manufacturer that is certified to offer calibration services. This makes it easier to get the dosimeter calibrated after it’s been fixed and makes sure the measurements are accurate.

Regular maintenance is also important to ensure that the dosimeter is functioning properly. This can involve periodically recharging the battery, checking the sensors, and calibrating the device. By following the manufacturer’s recommendations for maintenance and repair, it’s possible to ensure the accuracy and reliability of the dosimeter over its lifespan.

Noise dosimeters: Key Takeaways

  • Noise dosimeters are electronic devices used to measure the level of noise exposure in a workplace.
  • Dosimeters provide a more accurate assessment of noise exposure over time compared to traditional hand-held meters.
  • The use of dosimeters is regulated by various noise standards such as OSHA and NIOSH in the United States and the EU Noise Directive in Europe.
  • Dosimeters are an important tool in occupational health and safety programs, helping to identify potential hazards and take proactive measures to protect workers from overexposure.
  • Proper training is essential for accurate and reliable measurements using dosimeters.
  • Dosimeters require proper maintenance and repair to ensure accurate measurements and protect against costly repairs.
  • Using dosimeters in research and development has led to the design of machines and tools that are safer to use and more suitable for a wide range of applications.
  • The ultimate goal of using dosimeters is to limit the risk of overexposure to noise and protect the health and safety of workers.

Vibration Dosimeters: An Overview

A vibration dosimeter is a personal vibration level meter that measures the vibration exposure of workers. These devices are made to ISO 8041-2 standards and are used to keep track of exposure during the workday, which is usually 8 hours long. Vibration dosimeters can be put into different groups based on how they are meant to be used. For example, some are made to measure hand-arm vibration, while others are made to measure whole-body vibration.

vibration dosimeter

Types of Vibration Dosimeters

Hand-arm vibration dosimeters are used to measure how much vibration workers are exposed to when they use hand-held tools or machinery. Whole-body vibration dosimeters are used to measure how much vibration workers are exposed to when they are sitting or standing near vibrating machinery. The type of vibration being measured is based on the type of vibration sensor that is used in the dosimeter. Most whole-body vibration sensors measure how fast the seat or platform is moving and how far it is moving, while hand-arm vibration sensors measure how fast the hand or wrist is moving.


Vibration dosimeters are used to measure jobs that involve a lot of vibration, like construction, mining, and operating heavy machinery. As most limits for vibration exposure are set for an 8-hour period, the dosimeter measures the real exposure over the course of the workday. The hand-arm vibration limit for an 8-hour period is referred to as A(8) vibration exposure and is measured in units of acceleration (m/s2).

Vibration Dosimeter: Review

Svantek SV 103 – The SV 103 is a hand-arm vibration dosimeter that meets the latest ISO 8041-2 standard and is designed for measurement in accordance with ISO 5249-2. It features force detection and is recommended for power tool operators who change locations during the workday. The SV 103 can be used in combination with noise dosimeters as it is attached to the arm of the operator. It features a unique function, a MEMS accelerometer integrated with force detection, which makes it an excellent choice for those who require high-precision measurements.

Svantek SV 100A – The SV 100A is a whole-body vibration dosimeter that utilizes a MEMS accelerometer and operator’s presence detector. It is a stand-alone wireless meter placed on the driver’s seat and features remote communication capabilities. It can also track the GPS location of the vehicle. The SV 100A is ideal for use in applications where whole-body vibration exposure is a concern, such as in heavy equipment and transportation industries. The dosimeter meets the latest ISO 8041-2 standard and is designed for measurement in accordance with ISO 2631-1.

Both of these vibration dosimeters are made to measure how vibrations affect people’s health and safety. They offer unique features and capabilities that make them suitable for a wide range of applications, from power tool operators to heavy equipment drivers. Employers can protect their workers’ health and safety and make sure they are following regulations by using vibration dosimeter to measure and track exposure levels. 

vibration dosimeter review

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