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Integrating Sound Level Meter for Occupational Noise

integrating sound level meter rental

With measurement of Lavg and LPeak, the Optimus Red Sound Level Meter is ideal for occupational noise measurements.

Applications

  • Occupational Noise Assessment
  • Hearing protector evaluation
  • Machinery noise checks

Main Features

  • Integrating Type 2 (as required by occupational noise regulations)
  • Measures Lavg and LPeak along with many more parameters
  • Real-Time Octave Band Filters

Rental Kit Includes

  • Sound Level Meter and Calibrator
  • Software and download cable
  • Calibration Certificates
  • Carrying Case
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Overview

The Optimus Red is a Type 2 Integrating Sound Level Meter, making it ideal for most occupational and general purpose noise assessments. It can also be used for more detailed noise surveys that require frequency analysis using Octave Band Filters.

This is a data logging meter, so it can store measurements for download to a computer. Software is included in the hire kit to download the measurements, prepare occupational noise reports and export to other formats as required.

Regulations

It is essential that a sound level meter meets the correct standards for any measurements that could be used for the protection of hearing or any other legal reasons.

The Optimus Red meets the correct standards for occupational noise measurements (see Applications section). If you are unsure of the standards required for other regulations then please call or email for advice.

Occupational Noise

This sound level meter is the correct specification for all occupational noise assessments being carried out to the OSHA, ACGIH, MSHA and most other regulations. These regulations allow the use of an integrating sound level meter that meets ANSI S1.43 standard to Type 2. The meter is capable of measuring Lavg and Lpeak.

The Octave Band Filters are not essential but can be used to carry out more detailed checks to ensure that the hearing protectors available are adequate. For this reason we always include the octave band filters feature with this meter.

General Purpose Noise Measurement

The Optimus Red is suitable for any general purpose noise measurement that demands the use of a Type 2 Sound Level Meter or Type 2 Integrating Sound Level Meter.

If your measurement guidelines don't mention standards then this meter should also be adequate, but please check with us first if you have any doubts.

Calibrate

The occupational noise regulations state that the meter's calibration should be checked before and after making measurements.

Put the Calibrator on the mic. and select the Calibrate option.

Keep a record of all calibrations (done automatically if you are downloading to a computer) to meet the noise regulations.

Measure

Press the [Start] key to start a measurement. Once the measurement is complete (e.g. the average sound level has settled) press the [Stop] key.

All parameters are stored in the meter for viewing or download - no need to choose which measurements you need, they are all there.

Results

Back in the office, the measurements can be viewed on the meter's display or they can be downloaded to a computer.

The hire kit includes the NoiseTools software for downloading and reporting. The reports can be exported to various formats, including PDF, for filing or sharing with others.

CR162C Specifications

These specifications are for the CR162C Optimus Red Sound Level Meter, which is included in the CK162C rental kit.

StandardsIEC 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
IEC 60804:2000 Type 1 or Type 2
ANSI S1.4 -1983 (R2006), ANSI S1.43 - 1997 (R2007), ANSI S1.25:1991
IEC 61260:1996 & ANSI S1.11-2004
DIN 45657:2005-03
 
Measurement Range20dB to 140dB RMS single range
Noise floor<18dB(A) Type 1, <21dB(A) Type 2
Frequency weightingsRMS & peak : A, C, & Z measured simultaneously
Frequency bands10 octave bands, 31.5Hz to 16kHz
Time weightingsFast, Slow & Impulse measured simultaneously
 
Memory4GB, 32GB factory fit option
Time history data rates10ms, 62.5ms, 100ms, 125ms, 250ms, 1/2 sec, 1 sec or 2 sec
VoiceTagUp to 30 seconds of audio notes with each measurement
 
IntegratorsThree simultaneous “virtual” noise meters. Integrator 1 is preset to Q3 for Leq functions. Integrators 2 & 3 can be configured with the following
Exchange rate3, 4 or 5 dB
Threshold70dB to 120dB (1 dB steps)
Time weightingNone or Slow
Criterion level70dB to 120dB (1 dB steps)
Criterion time1 to 12 hours in 1 hour steps
Integrator quick settingsEU, OSHA HC & OSHA NC, OSHA HC & ACGIH, MSHA HC & MSHA EC, Custom
Size283mm x 65mm x 30mm
Weight300gms/10oz
 
Power4 x AA alkaline
Typically 12 hours with alkaline AA
Typically 20 hours with lithium AA non-rechargeable
External power: 5v-15v via MultiIO socket via ZL:171 cable (2.1mm socket)
 
OutputsUSB 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)
Bluetooth BLE compatible with Anrdoid and iOS devices
 
CaseMaterial: high impact ABS-PC with soft touch back and keypad
Tripod mount1/4" Whitworth socket
EnvironmentalTemperature: Operating -10°C to +50°C, storage -20°C to +60°C
Humidity: Up to 95% RH non-condensing
Electromagnetic performanceIEC 61672-1:2002, IEC 61672-2:2003, IEC 61672-1:2013 & IEC 61672-2:2013
Except where modified by EN 61000-6-1:2007 & EN 61000-6-1:2007
 
Language OptionsEnglish, French, German, Spanish, Italian
 
Display functionsLXY, LXYMax, LXYMin, LXeq, LCPeak, LZPeak, LCeq-LAeq, LXE
Graph of short LAeq, LCPeak, TWA, dose%, est dose%
Measurement run time
Real-time octave band filters
 
Stored functionsLXYMax & time history of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, Lavg, TWA. %dose
Time history of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq, Lavg
Octave bands models: overall Leq & Leq time history for each band
 
where x=A ,C ,Z; y= F, S, I