The Optimus yellow instruments are a range of state-of-the-art sound level meters that have been designed to meet the very latest standards for noise measurement instruments.
It has been purposed-designed for applications where only basic noise data is required, such as Sound Level (SPL) or Maximum Sound Level (Lmax). These applications include fire alarm testing, machinery servicing and noise ordinance enforcement.
Why Choose Optimus Yellow?
- Backed by our 15 Year “No Quibble” Warranty for your peace of mind
- High Performance to Class 1 or Class 2 Standard
- Quick, Simple and easy to operate
- Fast, Slow & Impulse Time Weightings
- dB(A), dB(C) and dB(Z) Frequency Weightings
- VoiceTag™ voice note recording
- AuditStore™ measurement verification
- High resolution colour OLED display and back-lit keypad
- Measure up to 140dB(A) and 143dB(C) Peak with a single 120dB measurement range
- Pause & Back Erase as standard
- 4GB memory with the option of 32GB
- Long battery life
Noise Measurement Made Easy
We want to make your job easier, so we designed to Optimus Yellow to offer the highest level of performance without the complicated setup.
- Every parameter is measured simultaneously, so you can’t choose the wrong function or miss any data
- All it takes is 3 button pushes to get the Optimus Yellow to start measuring. Switch On. Calibrate. Start. It’s that simple
- With it’s large OLED display, you can easily view your measurements
Downloading Your Data is Simple
If you need the data logging version of the Optimus Yellow, we’ll include our NoiseTools noise analysis software so you can keep a record of your measurements. View the full specifications on the product table below.
You can upgrade this instrument to an Optimus Red or Optimus Green at any time, future-proofing your investment. Contact our Noise Experts today to find out more.
Which Optimus Yellow is right for you?
There are 4 versions of the Optimus Yellow Sound Level Meters, 2 with Class 2 performance and 2 with Class 1 performance.
The table below shows the different versions and options available with each instrument.
You can also use our interactive Optimus Product Selector to find the best instrument for you.
| Instrument | Class 1 | Class 2 | Sound Level | Data Logging | VoiceTag | Software Support | Measurement Kit |
|---|---|---|---|---|---|---|---|
| CR:152A | Yes | Yes | CK:152A | ||||
| CR:151A | Yes | Yes | CK:151A | ||||
| CR:152B | Yes | Yes | Yes | Yes | Yes | CK:152B | |
| CR:151B | Yes | Yes | Yes | Yes | Yes | CK:151B |
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