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Optimus Red - Occupational Noise Meter

The Optimus Range
Overview Measurement Occupational Software Options    
 

The Optimus Red sound level meter is designed for measuring sound levels in factories and other working environments in line with the OSHA and other regulations.

  • Occupational noise surveys
  • OSHA, MSHA, ACGIH, EU and other regulations
  • Quick and easy to use
  • Voice tag recording of comments*
  • Single range 20 to 140 dB
  • 12 year warranty

Let the meter take the strain - The Optimus Red has been designed specifically for noise at work measurements. Rather than being a general purpose meter that leaves you trying to select the correct measurement range and parameters, the Optimus Red does it all for you, recording all the measurements that you might need now and in the future.

Lower cost meters are available (even within our range), but they will not usually meet the standards and will not be Integrating as required for many occupational noise measurements. They will certainly not be so powerful or easy to use.

 
optimus sound level meter optimus yellow sound level meters optimus red sound level meter optimus green sound level meter optimus purple sound level meter
optimus range of sound level meters
     
     
measuring noise exposure
Measuring a Worker's
Noise Exposure
 

Applications

  • All occupational noise surveys
  • Time Weighted Average - TWA - calculations
  • Factory and other noisy industrial environment
  • Power station
  • Construction noise
  • Workshop and woodworking
  • Detailed hearing protector assessment (with octave band option)
  • Machinery maintenance and trouble-shooting
  • Fire alarm testing
  • Office noise level assessments

Buying the Right Meter

The OSHA occupational noise regulations state that you should use at least a Type 2 Sound Level Meter. The meter should be verified by a suitably equipped laboratory when new and we recommend having it checked at least every two years. You also need a Calibrator to check the meter's function before making measurements.

Our Recommendation

For basic occupational noise measurements, we recommend the standard Optimus Red Type 2 (order code CR162A) with Calibrator (order code CR514). The extra bits (logging and octaves) can be added at a later date if needed.

For more advanced use, or where the noise levels are particularly high, we recommend Optimus Red Type 2 with with logging and octaves (order code CR162C) with Calibrator. This gives the ability to assess the level at the ear when wearing different hearing protectors.


  specifications
Specifications
     
  Standards ANSI S1.4, IEC 60651 & IEC 60804 Type 1 or Type 2
IEC 61672 Class 1 or Class 2
Octave Band Filters to IEC 61260 & ANSI S1.11
  Display Hi resolution graphic OLED with illuminated keypad
  Memory* 4GB expandable. Up to 10000 measurements stored
  Time History Store* 10ms, 62.5ms, 125ms, 0.5s, 1s, 2s (user selectable)
  Voice Tag* 30 seconds of audio with each measurement
     
  Physical & Power  
  Size 283 x 65 x 30 mm
  Weight 300g
  Battery 4 x AA Alkaline (typically 16 hours)
  External Power 5V via USB socket from PC or Power Supply
  Tripod Mount 1/4"
  Temperature -10°C to +50°C (storage -20°C to +60°C)
  Humidity Up to 95% RH non-condensing
     
  Acoustic Technical  
  Range 20 to 140 dB RMS - Single Range
  Noise floor <18dB(A) Class 1, <21dB(A) Class 2
  Freq. Weightings A, C & Z measured simultaneously
  Time Weightings Fast, Slow & Impulse measured simultaneously
  Integrators Three simultaneous "virtual" noise meters
    Integrators 2&3 can be configured:
    Q3, Q4, Q5. Threshold 70 to 120 dB. Fast/Slow.
    Criterion Level 70 to 120 dB
    Criterion Time 1 to 12 hours
  Quick Settings EU, OSHA (HC & NC), ACGIH, MSHA (HC & EC)
     
    * With data logging option fitted
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Specifications...
order codes
Optimus Red Order Codes
CR162A Type 2 Integrating Sound Level Meter
CR162B Type 2 Integrating Sound Level Meter with Data Logging
CR162C Type 2 Int. Sound Level Meter with Logging and Octaves
CR161A Type 1 Integrating Sound Level Meter
CR161B Type 1 Integrating Sound Level Meter with Data Logging
CR161C Type 1 Int. Sound Level Meter with Logging and Octaves

CR514 Type 2 Acoustic Calibrator
CR515 Type 1 Acoustic Calibrator
CK280 Optimus Carry Case

CU-USB AC Power Adapter $31.00
CU-CUSB Car Accessory Socket Power Adapter $26.00
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Order Codes...
optimus red datasheet Optimus Red
Datasheet (PDF, 822k)
 

 

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