High performance sound level meters for Environmental & Occupational noise
4GB memory with 32GB option for long term measurements
Boundary noise measurements & impact assessments
Ideal for BS 4142, ISO 1996 & Section 61 measurements
Tonal analysis using to ISO 1996-2:2007 & Cirrus Improved Method
Acoustic Fingerprint™ audio triggering with high resolution in-measurement recording
Remote data download over 3G/GPRS & GPS location data

Weather protection for the optimus green sound level meter and microphone
Remote data download over 3G/GPRS & GPS location data (CK:680)
Acoustic Fingerprint™ with triggering of Audio, SMS, Email & Twitter notifications
External power input for extended operation

The original wireless noise dosimeter
Small, lightweight & simple to use
Rugged & robust with a sealed metal case
No external controls, cables or displays
Analysis & Reporting software with licence-free installation & free lifetime updates
Intrinsically safe version available with ATEX, IECEx & FM Certification for hazardous atmospheres
15 Year warranty

Sound Level Meters & Noise Measurement Instruments

What we do

Cirrus Research plc is a world leading manufacturer and supplier of sound level meters, noise meters, noise dosimeters, environmental noise monitoring systems and acoustic transducers.

Our products are used across and wide and diverse range of applications including Occupational Noise, Industrial Hygiene, Environmental Noise Measurement, Vehicle Noise Testing and Airport Noise Monitoring.

With 40 years experience of innovation and customer support, backed by our ISO 9001:2008 and ISO 14001:2004 Quality Management Systems, Cirrus is dedicated to noise measurement.

QUICK LINKS