Optimus Yellow Sound Level Meters


  • The Optimus Yellow – a simple to use sound level meter


Optimus Yellow Sound Level Meters

Key Features

Measures everything you need simultaneously
Just switch on, calibrate and start measuring!
Large screen so your data is easy to read
Lightweight ergonomic design so it’s easy to use
Available with either a Class 1 or Class 2 microphone
Backed by our 15-year “no quibble” warranty
Long battery life
4GB internal memory with the option for up to 32GB
Bluetooth connectivity, allowing you to use your device with a compatible smartphone

Technical Specifications

Applicable Standards:
IEC 61672-1:2013 Class 1 or Class 2
IEC 61672-1:2002 Class 1 or Class 2 Group X
IEC 60651:2001 Type 1 I or Type 2 I
ANSI S1.4 -1983 (R2006), ANSI S1.43 – 1997 (R2007)
ANSI S1.25:1991

Class 1 MK:224 pre-polarized, Class 2 MK:216 pre-polarized

Microphone Preamplifier:
MV:200 Removable Preamplifier (All versions)

Total Measurement Range:
20dB to 140dB RMS Single Range
Noise Floor: <18dB(A) Class 1, <21dB(A) Class 2

Frequency Weightings:
RMS & Peak : A, C, & Z Measured Simultaneously

Time Weightings:
Fast, Slow & Impulse Measured Simultaneously

High resolution display. Ambient light sensor & illuminated keypad

4GB (B Version), 32GB factory fit option

Measurement verification data stored in secure memory
Time History Data Rates (Global settings)
10ms, 62.5ms, 125ms, 250ms, 1/2 sec, 1 sec, 2 sec (User selectable)
VoiceTag Audio Recording (B Version)
Up to 30 seconds of audio notes with each measurement

Measurement control:
Pause & Back Erase with user selectable duration

Size: 283mm x 65mm x 30mm
Weight: 300gms/10oz

4 x AA Alkaline

Battery life:
Typically 12 hours with Alkaline AA
Typically 20 hours with Lithium AA Non-Rechargeable
Battery life is dependent upon the battery type, quality & screen brightness

USB Type B to PC
AC & DC Output via ZL:174 (2 x Phono, 1m)
Multi-pin IO for external power via ZL:171 cable (2.1mm socket)
External Power: 5v-15v via MultiIO socket via ZL:171 cable (2.1mm socket)

Tripod Mount:
1/4″” Whitworth socket

Material: High Impact ABS-PC with soft touch back & keypad

Temperature: Operating -10?C to +50?C, Storage -20?C to +60?C
Humidity: Up to 95% RH Non Condensing

Electromagnetic performance:
IEC 61672-1:2002 & IEC 61672-2:2003
Except where modified by EN 61000-6-1:2007 & EN 61000-6-1:2007

Language options:
English, French, German, Spanish. Other language options may be available

Software Support:
NoiseTools Download, Configuration & Analysis software supplied as standard. Compatible with Microsoft Windows XP, Vista, 7 & 8 (32bit & 64bit)