• optgreen

    Optimus Green
    Sound Level Meter

    The optimus green sound level meters are ideal instruments for both environmental & occupational noise.

    Features simultaneous measurement & data logging of all parameters, tonal noise analysis and real-time 1:1 & 1:3 octave band filters

  • optredbanner

    Optimus Red
    Sound Level Meter

    For Occupational Noise and Industrial Hygiene, measuring the noise exposure of employees quickly and reliably is essential.

    The optimus red sound level meters are the ideal instrument with a clear, high resolution OLED colour screen, a wide 120dB measurement span and simultaneous measurement of all parameters.

  • appbanner

    Outdoor Noise
    Measurement Kits

    The CK:690 is a weather protected outdoor kit that is designed for use with the optimus green sound level meters.

    The kit allows the optimus to be used outdoors over long periods of time and in all weather conditions.

  • doseBadge Noise Dosimeter from Cirrus Research

    Noise Dosimeter

    Simple to use and very robust, the doseBadge is ideal for assessing noise in the workplace and measuring personal noise exposure.

    The doseBadge is also available with Intrinsic Safety Certification to FM (US & C), ATEX, EEx and IECEx making it ideal for noise exposure measurements in hazardous zones and explosive atmospheres.


About Cirrus Research plc

Specialise in the manufacture of sound level meters and noise measurement instrumentation

A world leader in noise measurement instruments since 1970, Cirrus Research plc has a wide range of sound level meters, noise dosimeters, environmental noise monitors and noise measurement products to meet any application.
Continue reading about Cirrus Research…

Featured Products

Optimus Sound Level Meters
for handheld noise measurement
Optimus sound level meters from Cirrus

  • Simple to use
  • Simultaneous measurement of all parameters
  • Class 1 & class 2 performance

Find out more…
doseBadge Noise Dosimeter
for personal noise in the workplace
dosebadge noise dosimeter from Cirrus

  • Noise exposure measurement
  • Rugged, durable metal case
  • Data logging and dual channel measurements

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Exhibitions and Conferences

NSC 2016
National Safety Council Congress & Expo 2016
Where: , , Anaheim, CA.

NSC 2017
National Safety Council Congress & Expo 2017
Where: , , Indianapolis, IN.