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Nova Integrating Sound Level Meter - Models 43 and 44

nova integrating sound level meter

Nova Integrating
Sound Level Meter


The Nova Model 43 (Class 1) and Model 44 (Class 2) are Integrating Sound Level Meters that are ideal for occupational noise assessments and checking for suitability of the available hearing protection.


Sound Level Meter Standards

  • IEC 61672 Class 1 or Class 2
  • IEC 60651, IEC 60804 and ANSI S1.4 Type 1 or Type 2


Noise at Work Regulations

The Nova Integrating Sound Level Meter meets the full requirements of the European noise at work regulations and the UK HSE Guidelines.

The regulations demand the use of at least a Class 2 integrating sound level meter meter. You can use the Class 1 as it is even more accurate.

You also need a suitable Calibrator to check the meter before and after a measurement session.


Noise at Work - Getting It Right

The Nova makes all the necessary measurements at the same time, over the whole measurement range.

  • You won't accidentally measure the wrong parameters
  • You won't be on the wrong measurement range (there isn't one!)


As calibration is so important to the noise at work regulations, the meter will prompt you to complete a calibration check when you switch it on. Just place the Calibrator on the microphone and the meter will make any adjustments itself.

noise at work meter controls

Average Sound Level - LAeq

The most important parameter for the EU and UK occupational noise regulations is the LAeq - average "A" weighted sound level).

As shown in the image on the right, the LAeq is the large number as this is the one you need the most.

Peak Sound Level - LCpeak

To assess any loud banging noise you should also measure the LCpeak. This is also shown on the main display above.

Hearing Protector Assessment - C-A

When assessing the suitability of hearing protection, the standard HML method. The (C - A) figure is used for this calculation and so is also displayed on the main noise at work screen.


Class 2 Nova Integrating Sound Level Meter
1 week
Class 1 Nova Integrating Sound Level Meter
1 week
More pricing information
noise at work sound level meter

Noise at Work

For UK and EU noise at work regulations.

Similar Products

Nova Models 41 and 42
Sound Level Meter
Nova Models 45 and 46
Octave Band Sound Level Meter

How to Buy

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Prices and Ordering

Order Code
Price (GBP)
excl VAT
Nova Class 2 / Type 2 Integrating Sound Level Meter
1 week
Nova Class 1 / Type 1 Integrating Sound Level Meter
1 week
Class 2 Sound Level Calibrator. 1kHz, 94dB. For 1/2 inch microphones
Class 1 Acoustic Calibrator. 1kHz, 94dB. For 1/2 inch microphones
Data Logging and Software for Nova Sound Level Meter
Carrying Case for Nova Sound Level Meter


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