Optimus Green Specifications

The specifications for the optimus green sound level meters are quite long and detailed. This information is available either on the product datasheet or from your local distributor. If you would like a more detailed specification, please contact us and we will be pleased to help.
Listed below is a summary of the main specification points for the optimus red sound level meters.

Applicable Standards
IEC 61672-1:2002 Class 1 or Class 2 Group X
IEC 60651:2001 Type 1 I or Type 2 I
IEC 60804:2000 Type 1 or Type 2
IEC 61252:1993 Personal Sound Exposure Meters
ANSI S1.4 -1983 (R2006), ANSI S1.43 – 1997 (R2007)
ANSI S1.25:1991
1:1 & 1:3 Octave Band Filters to IEC 61260 & ANSI S1.11-2004

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
Real-Time 1:1 Octave Band Analyzer: 31.5Hz to 16kHz
Real-Time 1:3 Octave Analyzer: 6.3Hz to 20kHz (Bands from 12.5Hz displayed, 6.3Hz, 8Hz & 10Hz stored & downloaded) – B & C variants
Additional Metrics:
LAeq LF (20Hz to 200Hz) & Leq LF (20Hz to 200Hz)

Time Weightings
Fast, Slow & Impulse Measured Simultaneously

Display
High resolution OLED display.
Ambient light sensor & illuminated keypad

Memory
4GB (32GB factory fit option)

AuditStore
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
Up to 30 seconds of audio notes with each measurement

Integrators
Three simultaneous “virtual” noise meters. Integrator 1 is preset to Q3 for Leq functions. Integrators 2 & 3 can be configured with the following:
Exchange Rate: 3, 4 or 5 dB
Threshold: 70dB to 120dB (1 dB steps)
Time Weighting:None or Slow
Criterion Level: 70dB to 120dB (1 dB steps)
Criterion Time: 1 to 12 hours in 1 hour steps

Integrator Quick settings
EU, OSHA HC & OSHA NC, OSHA HC & ACGIH,
MSHA HC & MSHA EC, Custom 1 & Custom 2

Acoustic Fingerprint Audio Recording
Off, Manual, Threshold Triggered, Advanced Trigger
User options:
Studio Quality – 96kHz/32bit WAV format
Standard quality – 16kHz/16bit WAV format
Pre-Trigger function

Ln Statistical Values
14 independent statistical Ln values calculated from 1/16th LAF
7 preset to L1.0, L5.0, L10.0, L50.0, L90.0, L95.0 & L99.0
7 user defined Ln values
CR:172C & CR:171C allow for an additional 14 Ln values with independent time and frequency weighting.

Measurement Control
Measurement control with user selectable duration of manual, 1 min, 5 min, 10 min, 15 min, 30 mins, 1 hour, Lden
Automatic Synchronisation & Repeat
Pause
Back Erase with user selectable duration

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

Batteries
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 and quality & screen brightness

Language options
English, French, German, Spanish as standard
Other language options may be available

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

Measurement Functions
CR:1720 & CR:1710
LXY, LXYMax, LXYMin
LXeq, LCPeak, LZPeak, LAPeak LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose %, Est Dose %
14 Statistical Ln% Values
Stored Functions
LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. % Dose
Time History of LAVG
Ln Values: 14 independent statistical values
Audio recording during measurement
Time, date & duration of measurement

CR:172A & CR:171A
LXY, LXYMax, LXYMin
LXeq, LCPeak, LZPeak, LAPeak LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose %, Est Dose %
Real-Time 1:1 Octave Bands (Graphical & Numeric)
NR & NC values & curves
14 Statistical Ln% Values
Stored Functions
LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. % Dose
Time History of LAVG
1:1 Octave Bands: Overall Leq & Leq Time History for each band, NR & NC values & curves
Ln Values: 14 independent statistical values
Audio recording during measurement
Time, date & duration of measurement

CR:172B & CR:171B
LXY, LXYMax, LXYMin
LXeq, LCPeak, LZPeak, LAPeak LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose %, Est Dose %
Real-Time 1:1 Octave Bands (Graphical & Numeric)
Real-Time 1:3 Octave Bands (Graphical & Numeric)
NR & NC values & curves
Leq LF (20Hz to 200Hz)
14 Statistical Ln% Values
Stored Functions
LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. % Dose
Time History of LAVG
1:1 & 1:3 Octave Bands: Overall Leq & Leq Time History for each band
NR & NC values & curves
Ln Values: 14 independent statistical values
Audio recording during measurement
Time, date & duration of measurement

CR:172C & CR:171C
LXY, LXYMax, LXYMin
LXeq, LCPeak, LZPeak, LAPeak LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose %, Est Dose %
Real-Time 1:1 Octave Bands (Graphical & Numeric)
Real-Time 1:3 Octave Bands (Graphical & Numeric)
Tonal Noise Detection in 1:3 Octave Bands
NR & NC values & curves
Leq LF (20Hz to 200Hz)
Up to 28 Statistical Ln% Values
Stored Functions
LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. % Dose
Time History of LAVG
1:1 & 1:3 Octave Bands: Overall Leq & Leq Time History for each band
Tonal Noise Detection in 1:3 Octave Bands
NR & NC values & curves
Ln Values: 28 independent statistical values
Audio recording during measurement
Time, date & duration of measurement

where x=A ,C ,Z; y= F, S, I