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Noise Monitors

Noise is a common workplace hazard that can have serious consequences for the health and safety of workers. Prolonged exposure to excessive noise levels can cause hearing damage, stress, and other health problems. To ensure the well-being of employees and comply with occupational health and safety regulations, it is essential to monitor and manage noise levels in the workplace. Noise monitors are essential tools for measuring, tracking, and reducing noise exposure. Whether you are looking to monitor noise levels in a factory, construction site, or any other type of industrial or commercial environment, a noise monitor can provide the data you need to make informed decisions about how to improve the health and safety of your workers. In this category page, we explore the different types of noise monitors available and how they can help you create a safer and healthier workplace.

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What is a noise monitor and how does it work?

A noise monitor is a device that measures and records environmental noise levels in decibels (dB). It works by capturing sound waves and converting them into electrical signals which are then amplified and processed to determine the decibel level. The device can be handheld, mounted on a tripod, or permanently installed in a fixed location. The output of the noise monitor is usually displayed on a screen or recorded in a database for later analysis. Noise monitors are commonly used in a variety of settings, including industrial plants, construction sites, transportation hubs, and residential areas, to monitor and control noise levels and ensure compliance with local noise regulations.

What is the difference between a decibel meter and a sound meter?

A decibel meter and a sound meter are two types of instruments used to measure sound levels. However, they are different in terms of their measurement range, accuracy and the type of sound they are designed to measure.

A decibel meter is a simple, compact and low-cost instrument that measures sound levels in decibels (dB). It is commonly used for personal or basic sound level measurements, but its measurement range is limited and its accuracy is not as high as that of a sound meter.

A sound meter, on the other hand, is a more advanced instrument that measures sound levels with higher accuracy and over a wider measurement range. It is typically used in industrial and professional settings, such as construction sites, factories and noise monitoring programs. A sound meter can measure sound levels in decibels, but it also provides additional information such as frequency analysis and time-weighted measurements.

In summary, if you are looking for basic sound level measurements, a decibel meter may suffice. However, if you need more accurate and comprehensive measurements, a sound meter is the better option.

What are the benefits of using a noise monitor in the workplace?

A noise monitor is a device that measures the noise levels in a workplace to ensure that they do not exceed safe levels. There are several benefits to using a noise monitor in the workplace, including:

  • Protecting workers’ hearing: Excessive noise levels can cause hearing damage and loss, and a noise monitor can help to ensure that workers are not exposed to dangerous levels of noise.
  • Compliance with regulations: In many countries, there are regulations that set maximum permissible noise levels in the workplace, and a noise monitor can help employers to comply with these regulations.
  • Improved workplace safety: Noise can also cause other health problems, such as stress, sleep disturbance, and cardiovascular disease, and a noise monitor can help to reduce these risks.
  • A better understanding of noise levels: A noise monitor provides a real-time measurement of noise levels, allowing employers to identify areas of the workplace that are particularly noisy and take steps to reduce the noise levels.
  • Increased productivity: A quieter workplace can lead to improved concentration, reduced stress, and increased productivity among workers.

In conclusion, a noise monitor is a valuable tool for promoting occupational health and safety and improving the overall quality of the workplace.

How to ensure accurate readings with a noise monitor?

To ensure accurate readings with a noise monitor, several factors should be considered. Firstly, it is important to select the right type of noise monitor for the specific application, as different types of meters are designed for different measurement scenarios. Secondly, the location and placement of the meter should be considered, as it should be placed in an area where it will not be affected by other sources of sound or vibration. Additionally, the microphone of the meter should be regularly calibrated to ensure accurate readings. Furthermore, it is important to use the appropriate measurement units and scales to measure sound levels, as well as to consider the frequency weighting of the meter when selecting the measurement mode. By taking these steps, you can ensure that the readings you obtain from your noise monitor are accurate and reliable.

How to properly calibrate a noise monitor?

Calibrating a noise monitor is a crucial step in ensuring accurate readings. The process involves comparing the readings of the noise monitor to a known and traceable source of sound pressure. This can be done using a calibrator, which is a device that generates a known sound pressure level. To properly calibrate a noise monitor, the calibrator should be placed near the microphone of the noise monitor and the calibrator should be set to the desired sound pressure level. After that, the readings from the noise monitor should be compared to the readings from the calibrator. If there is a discrepancy, the noise monitor should be adjusted until the readings match. It’s important to calibrate the noise monitor regularly to ensure the accuracy of the readings.

To make the process even easier, consider using a specialized calibrator from a trusted brand such as Inteccon calibrators.

Svantek Models

Svantek offers a range of acoustic calibrators for Class 1 and Class 2 sound level meters and dosimeters with 1/2 microphones. These calibrators provide a defined acoustic pressure at a specified frequency, ensuring accurate and consistent sound level measurements. The SV 33B, SV 34B and SV 36 calibrators all feature robust housing, microprocessor-controlled signal sources, digital static pressure and temperature compensation, and automatic adjustment for varying ambient conditions. They meet IEC 60942: 2017 standards, have a specified tolerance and are powered by AAA batteries. Each calibrator comes with a statement of calibration to ensure the user can have confidence in their accurate measurements.

SV 33A

The SV 33A Class 1 Acoustic Calibrator is a top-of-the-line device designed to provide precise and accurate calibrations for Class 1 and Class 2 sound level meters and dosimeters with 1/2 microphones. This calibrator produces a defined acoustic pressure of 114 dB at 1 kHz, ensuring that sound level measurements are accurate and consistent.

The SV 33A features robust housing for a comfortable and secure grip, as well as a microprocessor-controlled signal source with digital static pressure and temperature compensation for excellent stability in a wide range of ambient temperatures and humidity levels. This calibrator operates with AAA batteries and does not require any adjustments by the user. Each calibrator is also provided with a statement of calibration for added confidence in accurate measurements. With a tolerance of +/- 0.3 dB SPL and +/- 0.2% in frequency, the SV 33A Class 1 Acoustic Calibrator is a reliable and trusted tool for professionals in the field of occupational health and metrology.

SV 34A

The SV 34A Class 2 Acoustic Calibrator is a reliable and accurate tool for calibrating Class 2 sound level meters and noise dosimeters with 1/2 microphones. The calibrator generates a reference signal of 114 dB at 1 kHz and is designed with robust housing for a secure grip. The calibrator also compensates automatically for temperature and humidity changes, making it an ideal choice for a variety of applications. Additionally, the use of MEMS technology provides the best price-performance ratio in the current noise market. The SV 34A meets IEC 60942: 2003 standards and has a tolerance of +/- 0.5 dB SPL and +/- 0.2% in frequency. The built-in static pressure and temperature compensator ensure accurate readings, even in varying conditions. The calibrator operates using AAA batteries and is suitable for use within a temperature range of 0°C to +40°C

SV 36A

The SV 36 Acoustic Calibrator is a compact and highly portable Class 1 sound source device. This device is powered by two LR03/AAA batteries and features a loudspeaker that produces an acoustic pressure of either 94 dB or 114 dB at a frequency of 1 kHz.

The calibrator is equipped with a reference piezoresistive sensor for monitoring the generated level, pressure and temperature sensors for measuring atmospheric conditions, and a microprocessor system that controls the operation of the calibrator. The 1 kHz frequency sinusoidal waveform is digitally generated and fed to the loudspeaker. The reference piezoresistive sensor samples the signal to indicate the current level of the generated signal in a feedback loop. The microprocessor system adjusts the amplification of the loudspeaker signal based on the level of the signal, actual pressure, and temperature values to ensure the correct sound pressure level in the calibrator’s chamber.

In accordance with IEC 60942: 2003, the SV 36 is a Class 1 Acoustic Calibrator that generates 114/94 dB signals at 1000 Hz. It has a tolerance of +/- 0.3 dB SPL and +/- 0.2% in frequency and is equipped with a built-in static pressure and temperature compensator. With a temperature range of -10°C to +50°C, the calibrator features automatic microphone detection and an automatic on/off function. It operates using AAA batteries.

What are the most common applications of noise monitors?

Noise monitors are widely used in a variety of applications to measure and monitor sound levels in the environment. Some of the most common applications include:

Workplace monitoring – To ensure that workers are not exposed to hazardous levels of noise in the workplace, noise monitors are used to measure and monitor the levels of noise.

Environmental monitoring – Noise monitors are used to measure the impact of noise pollution on the environment and to help reduce its impact.

Construction sites – To monitor and control the levels of noise generated by construction activities, noise monitors are used on construction sites.

Traffic noise monitoring – To monitor and control the levels of noise generated by road and rail traffic, noise monitors are used in urban areas.

Industrial process monitoring – To monitor and control the levels of noise generated by industrial processes, noise monitors are used in manufacturing and industrial facilities.

Event noise monitoring – To monitor and control the levels of noise generated at live events, such as concerts and festivals, noise monitors are used.

Overall, noise monitors play an important role in ensuring that noise levels are kept within safe and acceptable levels, both in the workplace and in the environment.

What are the guidelines for measuring noise levels in the workplace according to OSHA regulations?

The Occupational Safety and Health Administration (OSHA) provides guidelines for measuring noise levels in the workplace to ensure workers are protected from hazardous noise levels. According to OSHA’s regulations, employers are required to assess the noise levels in the workplace and take action to reduce noise levels to below the permissible exposure limit (PEL) of 90 decibels (dB) over an eight-hour time-weighted average. In order to accurately measure noise levels, employers should use calibrated sound level meters and follow the procedures outlined in OSHA’s Technical Manual. Employers should also provide hearing protection to workers who are exposed to noise levels above the PEL and implement engineering or administrative controls to reduce noise levels whenever feasible.

How to choose the right noise monitor for my workplace?

When choosing a noise monitor for your workplace, there are several factors to consider to ensure that you select the best option for your specific needs. Some of these factors include:

  • Measurement range: Make sure the noise monitor you choose can measure the range of decibel levels you need to monitor.
  • Accuracy: Choose a noise monitor with high accuracy to ensure accurate readings.
  • Display: Consider the type of display you need, whether it’s digital or analog, and make sure it’s easy to read.
  • Portability: If you need to move the noise monitor around the workplace, choose a portable option.
  • Data storage: Consider whether you need the ability to store data for later analysis.
  • Price: Consider the cost of the noise monitor, as well as the cost of any additional accessories you may need.
  • Ease of use: Choose a noise monitor that is user-friendly and easy to operate.
  • Compliance: Make sure the noise monitor you choose complies with any relevant regulations, such as OSHA regulations.

Brand reputation: Consider the reputation of the manufacturer and choose a well-known brand for added peace of mind.

Our models:

Svantek Models

As a world-leading manufacturer of noise and vibration monitoring instrumentation, Svantek is dedicated to quality and technical excellence. With a highly qualified and innovative team of design engineers, Svantek offers a range of noise and vibration monitors that are second to none in terms of quality and accuracy.

Svan 971A

The SVAN 971A is a small and lightweight Class 1 Sound Level Meter that offers a range of measurement options, including 1/1 and 1/3 octave analysis. It features an easy-to-use interface, making it an ideal choice for various applications, such as industrial hygiene noise, environmental noise, and technical engineering. The device also includes a built-in self-vibration monitoring system that provides information about levels of vibration that can impact measurement results. With broadband results, time-history logging, and audio recording capabilities, the SVAN 971 is a versatile instrument for sound level measurement. Data can be easily downloaded to a PC via USB or RS 232, and the device can be calibrated in the field using an acoustic calibrator. The SVAN 971 is protected by a robust casing and has an IP65 protection level, making it suitable for use in a range of environments.

Svan 977

The SVAN 977 is a next-generation Type 1 sound and vibration instrument designed for environmental monitoring and occupational health and safety monitoring. It has an exceptional hardware design, enabling the measurement of ultrasound frequencies in the 40 kHz band. The device provides broadband results, time history logging, and audio recording. The user interface works with networks like GPRS, Ethernet, WLAN, and ZigBee for remote data download and settings configuration. The instrument also has a Bluetooth interface and a smartphone application, SvanMobile, which extends measurement capabilities. The device is powered by four AA batteries, an external DC power source, or a USB interface, and has a robust and lightweight design.

Svan 979

The SVAN 979 is a high-accuracy sound and vibration measurement instrument that is designed for easy communication with computers and has exceptional features for field measurements. It has a dynamic measurement range, a flexible set of interfaces, built-in signal generator, and GPS time synchronization. It offers 1/1, 1/3 octave real-time analysis, FFT analysis, time-domain signal recording, audio events recording, and pure tone detection. It is powered by AA batteries, external DC power, or USB interface and has a super contrast color OLED display. The instrument can be remotely controlled by the PC with the SvanPC++ software and is equipped with a micro SD card for data storage. It is a robust and lightweight design that is easy to use.


The SV 104A is a cutting-edge personal noise dosimeter designed to make noise measurement easier and more accurate. With its Bluetooth communication and smartphone app, the SV 104A is perfect for measuring noise levels in a variety of work environments and can be configured to meet the ISO 9612, OSHA, MSHA, and ACGIH standards. The dosimeter features a robust MEMS microphone with a lifetime warranty, a built-in tri-axial accelerometer for detecting vibrations and shocks, and an easy-to-read color OLED display. The SV 104A also includes a voice tagging feature, multiple virtual measurement profiles, and the ability to record audio events. With its automatic calibration and 48-hour operational time, the SV 104A is the perfect tool for any professional looking to measure noise levels accurately and efficiently.



The SV 104 is a cutting-edge personal noise dosimeter that packs a powerful punch in a compact design. Equipped with a virtually indestructible MEMS microphone and an inbuilt tri-axial accelerometer for vibration shock detection, the SV 104 is both technologically advanced and incredibly durable. The high-resolution color OLED screen adds to the user-friendly experience, making taking noise measurements a breeze. With features such as automatic calibration start, voice tagging, and real-time analysis options, the SV 104 is designed to provide accurate and reliable results. With a long operational time of over 40 hours and a rechargeable battery, the SV 104 is an affordable solution for your noise measurement needs.


The SV 104IS is an intrinsically safe personal noise dosimeter with advanced features such as real-time 1/1 octave band analysis and audio event recording. The device features a robust 1/2″ MEMS microphone with an autocalibration function and TEDS memory, a high contrast OLED screen, and a built-in tri-axial accelerometer for vibration shock detection. It has a measurement range of 60 dBA RMS to 140 dBA Peak and can be used with Svantek’s “Supervisor” software for data analysis and reporting. The device is compact, lightweight, and operates for up to 50 hours with a rechargeable battery. It meets ATEX and IECEx intrinsic safety standards, as well as IEC 61252 and ANSI S1.25 standards for personal noise dosimetry.


The new SV 104 BIS is equipped with the new MEMS microphone, which offers a measuring range from 53 dB Leq to 143 dB Peak. The list of addons includes new large 8 GB memory and fast data transmission with new completely docking stations. The device features a robust 1/2″ MEMS microphone with an autocalibration function and TEDS memory, a high contrast OLED screen, and a built-in tri-axial accelerometer for vibration shock detection

Among the unique features of the new model, the software is automatic noise dose calculation, sound pressure level logging, audio recording, octave band frequency analysis, and auto-calibration. The new ATEX dosimeter has an 8GB memory and fast data transfer via new docking stations. The new Bluetooth® interface enables previewing current results on a mobile app.


The SV102+ is a dual-channel acoustic dosimeter that offers advanced features for occupational health and safety noise monitoring. The device features a full-color OLED screen for easy readability and increased storage capability with a microSD card. The SV102+ allows for simultaneous 1/1 and 1/3 octave analysis, audio events recording, and dual channel measurement, giving a more accurate assessment of noise exposure. The device is low-powered and operates on just two AAA batteries, and is fully supported by the Supervisor software. Calibration is made easy with the TEDS technology and SV34 calibrator, ensuring correct calibration factors are used. The compact and lightweight design of the SV102+ makes it easy to operate and carry, making it a versatile and efficient tool for measuring noise exposure.

TSI Models

With a mission to provide trusted measurement, application guidance, and data analytics solutions, TSI is committed to helping its customers make informed decisions. The company’s vision of creating a better world by protecting people, products, and the environment speaks to its dedication to making a positive impact in the world. With TSI’s innovative products and focus on quality, we are confident that they are a valuable partner in our mission to protect what matters.

Quest Model

The Quest SoundPro SE-DL Series Sound Level Meters and Real-Time Analyzers are advanced instruments for monitoring and analyzing sound levels. They come in Class/Type 1 and Class/Type 2 models and feature a large screen display for real-time frequency analysis. They can store data for post-processing and evaluation of workplace noise levels. These meters are suitable for a variety of applications, such as occupational noise evaluations, environmental noise assessments, general sound analysis, automotive design and vehicle noise evaluations, building acoustics, HVAC testing, and hearing protection selection.

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