The extensive range of Sound Level Meters from Cirrus Research includes the identification and analysis of noise, integrating sound level meters, and Leq noise at work applications and data logging sound level meter with real time octave and third octave band filters during the sound level measurement

The optimus red sound level meter were developed to comply all industrial hygiene, workplace noise and safety regulations. The optimus green offer additional modules to meet requirements in the field of environmental noise measurement. Modern technology is here combined with a simple and intuitive operation to provide you with all relevant information for the effective and complete noise measurement.

Optimus GreenOptimus green sound level meter
For Environmental noise
  • Class 1/Type 1
  • 1:3 Octave bands
  • Audio recording during measurement

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Optimus RedOptimus red sound level meter
For Noise in the workplace
  • Class 1/Type 1
  • VoiceTag™ note recording
  • 1:1 Octave bands for selecting PPE hearing protection

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Optimus YellowOptimus yellow sound level meter
For Simple noise measurement
  • Class 2/Type 2
  • Sound Level (SPL)
  • Lmax & Lmin


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The doseBadge is originally the first wireless noise dosimeter . It is the ideal solution for measuring individual exposure to noise. Combining innovative design with easy plug in hand , it is reliable, robust and weighs only 51 grams.

The doseBadge can be worn in areas where the microphone cable ancient dosimeters represents a risk to the wearer. No buttons or screen, it is not possible to interfere or tamper with the noise measurements. The doseBadge is powered by a rechargeable battery, it incorporates an internal microphone and an electronic system that measures and records the noise levels.

doseBadge Noise Dosimeter
dosebadge noise dosimeter

For Personal noise exposure
  • Very simple operation
  • Robust metal case
  • Time history data stored


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Intrinsically Safe doseBadgeintrinsically safe dosebadge noise dosimeter
For Personal noise exposure
  • Intrinsically Safe
  • Very simple operation
  • Robust metal case
  • Time history data stored

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doseBadge Noise Measurement Kits
dosebadge noise dosimeter measurement kits

For Personal noise exposure
  • Complete noise dosimetry kit
  • Includes doseBadge units
  • RC:112A Reader for the CR:112AIS doseBadge

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If you need to monitor the outdoor environmental noise an outdoor noise measurement kit with the optimus green sound level meter is the ideal solution. Using the internal modem in the CK:680 kit allows the optimus to communicate with the NoiseTools software remotely over a 3G/GPRS connection and to send alerts via SMS, Email and/or Twitter when the Acoustic Fingerprint™ detection templates are triggered.

If if you require a more permanent solution our environmental noise monitors are ideal.


CK:680 Outdoor Noise Measurement Kit
outdoor sound level meter noise monitoring kits

For Environmental noise monitoring
  • Fully weather protected
  • Remote download of measurement data
  • Long term battery operation
  • Live alerts via Email or SMS

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Environmental Noise Monitors
permanent outdoor environmental noise monitors

For Permanent environmental noise monitoring
  • Permanent installation
  • Fully weather protected
  • Remote communication via direct line, GSM, Wireless or GPRS Modem

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All Cirrus sound level meters and noise dosimeter can be supplied with an acoustic calibrator that has been specifically designed to be used with that equipment and that help you to ensure that your measurements are valid.

The SoundSign is a highly visible noise activated warning sign that has been designed for use in environments where there is a need to clearly warn or indicate when a preset noise level is reached.


Handheld Acoustic Calibrators
acoustic sound level meter calibrator

For Handheld calibration
  • For handheld sound level meter calibration
  • 94dB Sound Pressure Level Output


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Soundsign
Noise Warning Sign

soundsign noise activated warning sign
For Noise level warnings
  • Lights up when a preset noise level is exceeded
  • Quick & simple to install
  • Trigger level from 40dB(A) to 114dB(A)

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