Product Catalogue

Pulsar Instruments, for noise meters, sound level meters and noise monitoring equipment

Sound Level Meters

What is a sound level meter?

Watch this short introduction of the Nova, our latest occupational sound level meter for the measurement of noise in the work environment.


A sound level meter is a device that allows you to determine the acoustic intensity and to measure the sound pressure level. All Pulsar Instruments’ sound level meters are suitable for professional application including measurement of noise at work and environmental noise.

Noise that reach harmful levels can cause noise-induced hearing loss also referred to as NIHL.  If left uncontrolled or allowed to continue over a period of time, noise can create vast damage to people’s hearing including permanent deafness.

A sound level meter is used in the workplace by a competent person to monitor noise levels accurately and determine whether they exceeds legal limits set by relevant national or international regulations.  A sound level meter is one of the key tools used in any serious hearing conservation programme.

Class 1 or Class 2 sound level meter?

Sound level meters are divided into two “classes” (previously referred to as “types”) which both have the same functionality but different tolerances for error. Class 1 instruments have a wider frequency range and a tighter tolerance than a lower cost, Class 2 device. This applies to both the sound level meter and its acoustic calibrator. Most occupational noise standards allow the use of “at least a Class 2 meter”.

Pulsar Instruments has an extensive range of instruments designed for Health and Safety Managers to help them conduct effective and accurate workplace noise measurements. Our sound level meters range from the most basic to advanced measurement devices to meet specific measurement and reporting needs.


A sound level meter for all work applications and environments


Below is a summary of our sound level meters. For further detail on each product, click on the relevant hyperlinks on this page:

  • The Pulsar Assessor range is ideal for the measurement of industrial noise. All meters are non-data logging and are ideal for those who prefer to record the noise measurement data by hand. The Assessor sound level meters are easy to use with a simple ‘on’ and ‘stop’ switch and a screen to display the noise level in decibels.
  • All the sound level meters in our Quantifier range are data logging and are perfect if you want to collate noise measurements over a period of time. They can also come complete with strong weatherproof measurement kits if outdoor noise monitoring is required.
  • Our Model 14 is a low-cost sound level meter which is perfect to carry out a quick basic noise survey in an industrial setting.
  • Finally, our Nova range of integrating, averaging sound level meters are high performance hand-held meters with a large internal memory capability for high volumes of data storage, extensive battery life and an impressive measurement range. These sound level meters are the instrument of choice of the health and safety professionals to undertake compliant occupational noise monitoring or for frequency analysis of industrial and environmental noise.
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