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Optimus+ Yellow - Sound level meters

Available on order
Tax excluded Delivery in 2-4 weeks
Data Logging

If you need a customized offer, or you can't find the configuration you need, do not hesitate to contact us.

We also offer the post sale services

  • Ordinary and extraordinary maintenance
  • Installation
  • Workers training
  • Spare parts
  • Calibration

For simple noise measurements.

The Optimus+ Yellow instruments are a range of state-of-the-art sound level meters. They are designed to meet the very latest standards for noise measurement instruments.

They have been purpose-designed for applications where only basic noise data is required, such as Sound Level (SPL) or Maximum Sound Level (Lmax).

Optimus+ Yellow can be easily upgraded to the Optimus+ Red or Green


  • Simple noise measurements
  • Alarm testing
  • Vehicle noise control
  • Noise ordinance

Why choose Optimus+ Yellow?

  • Measures everything you need simultaneously to save time
  • No complicated setup - just switch on, calibrate and start
  • Large full-color display so the data is easy to read
  • Lightweight, ergonomic design for ease-of-use
  • High performance guaranteed

Included accessories

  • User manual
  • Certificate of Calibration
  • USB data/power cable
  • NoiseTools software USB stick (requires B version of instrument to download measurements)
  • CR:514 Class 2 or CR:515 Class 1 acoustic calibrator
  • UA:237 90mm windshield
  • CK:300 carrying case
  • User manual and Certificates of Calibration
  • USB data/power cable and NoiseTools software USB stick (requires B version of instrument to download measurements)
Battery life
4 x AA alkaline
-10°C to +50°C
283mm x 65mm x 30mm
300g / 10oz
20dB to 140dB RMS Single Range
4GB Expandable
AC output via 3.5mm jack socket ZL:826 cable
DC output via Multi-IO socket ZL:825 cable
Multi-pin IO for external power
USB type B to PC

Specific References