Bluetooth decibel meter for accurate noise assessment

Bluetooth decibel meter [Optimus+ Red, Yellow and Green]

Bluetooth decibel meter being used for industrial noise assessment.
Bluetooth decibel meter being used for environmental noise measurement.
Bluetooth decibel meter measuring vehicle noise.

Are you looking for an easy-to-use sound meter? A Bluetooth decibel meter is precise, reliable and convenient.

The Optimus+ range features Bluetooth connectivity, allowing you to view data on your phone and control the sound meter remotely.

Choose the perfect sound meter for occupational and environmental noise assessment.

See the complete range below.

The Bluetooth decibel meter range

Optimus+ Yellow

The Optimus+ Yellow is ideal for basic sound assessment:

  • Simple noise level testing.
  • Noise ordinance enforcement.
  • Community noise assessments.
  • Fire and emergency alarm testing.
  • Machinery servicing and maintenance.

 The handheld noise meter measures basic acoustic data, such as sound level (SPL) and maximum sound level (Lmax).

 The sound meter is easy to upgrade if you want to add advanced functionality, making it a great long-term investment.

Optimus+ Red

The Optimus+ Red Bluetooth decibel meter is ideal for industrial and occupational noise assessments.

The device complies with OSHA HC and NC, MSHA HC and ACGIH regulations and is ideal for any workplace noise measurement:

  • General noise assessments.
  • Vehicle noise measurements.
  • Machinery noise tests.
  • Hearing protection assessments.
Community noise measurements.

Optimus+ Green

The Optimus+ Green is designed for environmental and industrial noise assessments.

Combine the decibel meter with an outdoor measurement kit to record data in the same place for an extended time.

The device complies with international standards (ISO 1996-2:2007), making it suitable for any application.

Cirrus Research plc can advise on the best decibel meter for you. Enquire now.

Features and benefits of the Bluetooth decibel meter

  • Simple operation: An ergonomic design makes your device easy to use, even through gloves.
  • Simultaneous noise measurement: The device records all noise parameters at the same time. You always record the data you need.
  • Bluetooth connectivity: Use your phone to control your Optimus+ decibel meter.
  • 120 decibel range: Measure sound from 20 decibels to 140 decibels. Ideal for all noise assessments.
  • Four gigabyte memory: Store over 10,000 measurements. Expand the device’s memory to 32 gigabytes for more storage space.
  • High-resolution colour screen and backlit buttons: Use your decibel meter at night and in low light.
  • Voice recording functionality: Record 30 second voice notes about the location, weather and other environmental factors.


Bluetooth decibel meter range technical specifications

Dimensions (millimetres) 283 x 65 x 30
Weight 300 grams
Batteries 4 AA batteries

Operating temperature

-10°C to +50°C
Operating humidity Up to 95% relative humidity
Language options

English, French, German, Spanish and Italian. Other languages may be available on request.

Contact Cirrus Research plc today.

Contact Cirrus Research plc