Optimus Red Specifications

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 Octave Band Filters to IEC 61260 & ANSI S1.11-2004 (C & D variants)

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
Frequency Bands Analyzer: 10 Octave Bands (31.5Hz to 16kHz, C & D variants)

Time Weightings

Fast, Slow & Impulse Measured Simultaneously

Display

High resolution OLED display. Ambient light sensor & illuminated keypad

Memory

4GB (B, C & D Versions), 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 (B, C & D Versions)

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

Measurement Functions

CR:162A & CR:161A

Displayed Functions
LXY, LXYMax, LXYMin, LXeq, LCPeak, LZPeak, LCeq-LAeq, LXE
Graph of Short LAeq, LCPeak
Integrators 2 & 3: TWA, Dose%, Est Dose%
Measurement Run Time

CR:162B & CR:161B

Displayed Functions
LXY, LXYMax, LXYMin,,LXeq, LCPeak, LZPeak, LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose%, Est Dose%

Stored Functions

LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. %Dose
Time History of LAVG

CR:162C & CR:161C

Displayed Functions
LXY, LXYMax, LXYMin, LXeq, LCPeak, LZPeak, LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose%, Est Dose%
Real-Time Octave Band Filters

Stored Functions

LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. %Dose
Time History of LAVG
Octave Bands: Overall Leq & Leq Time History for each band
Measurement Run Time
Time & Date of Measurement Start

CR:162D & CR:161D

Displayed Functions
LXY, LXYMax, LXYMin, LXeq, LCPeak, LZPeak, LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Measurement Run Time
Integrators 2 & 3: TWA, Dose%, Est Dose%
Real-Time Octave Band Filters
NR & NC values & curves

Stored Functions

LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. %Dose
Time History of LAVG
Octave Bands: Overall Leq & Leq Time History for each band
NR & NC values & curves
Measurement Run Time
Time & Date of Measurement Start

where x=A ,C ,Z; y= F, S, I
Other functions may calculated by the NoiseTools software and displayed on download.