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Cirrus Optimus Green Sound Meter

Cirrus Optimus Green Sount Meter
Cirrus Optimus Green Sount Meter
Cirrus Optimus Green Sound Meter

The Optimus Green Sound Level Meters are ideal instruments for both environmental and occupational noise and will give you all of the information you need, right at your fingertips. They have been designed with ease-of-use in mind allowing the user to focus on measuring and controlling the noise.

This instrument is user friendly with a high resolution OLED display, ambient light sensor and illuminated keypad - also making it an ideal product for night time use. The measurement data is displayed in a clear and simple format along with a real-time noise chart so that you can see how the noise varies with time.

Every measurement taken contains all of the available functions ensuring that there is no risk of selecting the wrong parameter or function.


  • Simple operation
  • Simultaneous measurement & data logging of all available parameters
  • Simultaneous A, C & Z - Frequency Weightings
  • Simultaneous F, S & I - Time Weightings
  • Real-time 1:1 & 1:3 octave Band Filters
  • NR & NC values & curves on screen
  • Tonal noise analysis
  • Up to 28 statistical Ln % values
  • Single 120dB measurement range
  • Acoustic Fingerprint: audio triggering, recording & alerts during measurements for replay & analysis
  • VoiceTag: Audio note recording
  • AuditStore: measurement verification
  • Repeat measurements with manual or automatic control
  • 4GB memory capable of storing over 10,000 measurements (expandable up to 32GB)
  • Compatible with CK:670 & CK:680 outdoor kits
  • Measure up to 170dB with the optional mV:200EH microphone system
  • Dimensions: 283mm x 65mm x 30mm
  • Weight: 300gms/10oz


  • Environmental noise measurements
  • Occupational noise measurements
  • Simple noise measurements

  • Code HSLM.10
    Item Cirrus Optimus Green Sound Meter
    Weekly £248.00