Handheld occupational noise exposure monitor

Occupational noise exposure monitor [Optimus+ red]

Cirrus occupational noise exposure monitor

Protect your employees’ hearing with the occupational noise exposure monitor.

The Optimus+ red is simple to use, precise and robust, making it ideal for any workplace. Use the device while wearing gloves, or control it from your phone via Bluetooth.

The sound level meter ensures you comply with noise at work regulations.

Contact Cirrus today.


Accurate occupational noise exposure monitor

The Optimus+ red is the latest handheld noise monitor from Cirrus Research. The device has all the great features of the previous Optimus range, but it has added Bluetooth connectivity so that you can control it from your phone.

The workplace sound meter has a simple design that guarantees ease of use: simply switch on, calibrate and begin recording.

The high-resolution colour screen and backlit buttons allow you to use the device in bright sunlight and at night.

The device also has a robust case that allows you to use it while wearing gloves. The occupational sound level meter complies with OSHA HC and NC, MSHA HC and ACGIH regulations and is ideal for any workplace noise assessment:

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

Four versions of the Optimus+ red are available. Enquire now to discuss the best occupational noise exposure monitor for you.

Features of the workplace sound meter

  • Simple operation.
  • Four gigabyte memory, which you can expand to 32 gigabyte.
  • 20 decibel to 140 decibel range.
  • Simultaneous recording of all noise parameters.
  • Includes free NoiseTools software.
  • Available as a class one or two device.
  • Complies with OSHA HC and NC, MSHA HC and ACGIH regulations.

Occupational noise exposure monitor 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 for more information about the occupational noise exposure monitor.


Contact Cirrus Research plc