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Rion NA-28 Sound Level Meter

Features

  • Ease of use – main functions on dedicated, backlit keys
  • Superb high-contrast backlit TFT-LCD color display
  • Simultaneous measurement and display of 1/1 and 1/3 octaves
  • Massive storage capacity using text files stored to CompactFlash memory cards (CF card)
  • Flexible and simple PC connectivity (CF card and USB Virtual Disk)

SPECIFICATIONS RION NA-28 SOUND LEVEL METER

Spec Máy đo độ ồn RION NA-28

Introduction Rion NA-28 Sound Level Meter

The Rion NA-28 sound meter is the quickest and easiest to use Class 1 multi-function sound analyser for Building/Architectural Acoustics and Environmental Noise. The superb colour display is visible in all lighting conditions and data is saved to a memory card in CSV format.

The colour display is used to full advantage for the NX-28BA Building Acoustics option which provides both airborne and impact sound insulation testing results in the meter.

Background and receiver room levels are shown on the same display together with colour-coded indication corrected third octave bands or where the difference is less than 6 dB.

Features RION NA-28

  • Ease of use – main functions on dedicated, backlit keys
  • Superb high-contrast backlit TFT-LCD color display
  • Simultaneous measurement and display of 1/1 and 1/3 octaves
  • One keystroke to switch between sound level meter and analyzer display
  • Massive storage capacity using text files stored to CompactFlash memory cards (CF card)
  • Flexible and simple PC connectivity (CF card and USB Virtual Disk)
  • Exceptional battery life using standard alkaline batteries, approx. 16 hours
  • Real Time Octaves (16 Hz to 16 kHz) or 1/3 octaves (12.5 Hz to 20 kHz)
  • Real Time Simultaneous Octaves (16 Hz to 8 kHz) and 1/3 Octaves (12.5 Hz to 12.5 kHz)
  • Data stored as text files direct to CF card
  • Measures and logs Leq, Lmax, Lmin and 5 percentile values (LN) in octaves and/or 1/3 octaves
  • Auto Stores 300 000 data sets or 1 000 hours of 1 second 1/3 octaves onto 2 GB CF card
  • Auto Stores 1 000 data sets or 10 000 of 1 second 1/3 octaves to internal memory
  • Manual Storage for 1 000 data sets internally or 100 000 data sets to 2 GB CF card
  • Linearity 110 dB in Sound Level Meter Mode and 95 dB in Analyzer Mode
  • Main and Sub-Channel for simultaneous selection of 2 time or frequency weightings F (Fast), S (Slow), 10 ms Time Weightings plus Peak & Impulse on Sub-Channel
  • Data transfer using CF card or USB (meter/CF card appearing as virtual disk)
  • Measurement can be started by internal or external trigger
  • Comparator output to trigger external devices
  • AC and DC outputs of main and/or sub-channel
  • Expandable functionality using programme cards

RION Brand

Rion was founded in 1944 under the name of Kobayasi-riken Co.,Ltd. to commercialize the products based on the results of research activities by the Kobayasi Institute of Physical Research, a foundation dedicated to the study of physics and acoustics. Rion started to manufacture crystal elements for acoustic equipments and their applied products, as the first manufacture of such products in Japan. In 1960, Kobayasi-riken changed its name to Rion. In addition to hearing instruments, Rion provides wide range of products to various fields. Medical instruments typified by audiometers are used in the field of otolaryngology. Sound and vibration measuring instruments are demanded by government agencies and industries to protect environment and quality in manufacturing.

 

 

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