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Sound Level Meter with 1/3 Octave Band Filters
- Type
1 to IEC 60651, IEC 60804 and ANSI S1.4
- IEC 61672-1:2003 Class
1
- Simultaneous Leq, SPL, Lmax, and Peak, Ln's.
- "A", "C" and "Z" (flat from
10 Hz to 20 kHz ± 1.5 dB) frequency weightings
- Octave and Third
Octave band filters.
- RMS "Fast" and "Slow" time weightings.
- Clear graphical display with backlight.
- Rugged cast aluminum case
- Seven Measurement ranges, covering:
- 21 to 140 dB(A), Peak 143 dB(C)
- Octave Bands: 19 dB(Z) to 140 dB(Z)
- 1:3 Octave Bands: 14 dB(Z) to 140 dB(Z)
- Noise floors
- 18 dB(A)
- Octave Bands: 12 dB(Z) @ 1 kHz band.
- 1:3 Octave Bands: 7 dB(Z) @ 1 kHz band.
- Powered by two AA cell batteries.
- Dimensions:
- 13.3" x 2.9" x 0.9", 15.8 ounces
- 340mm x 75mm x 25mm, 450g
- Measurements stored for transfer to computer
- software provided.
- Available in a weatherproof Outdoor
Measurement Kit
- 2
to 12 Year Warranty
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The CR831C is the most powerful instrument in the range, offering
1/3 octave band filters and data logging. The instrument is designed
to meet the demanding requirements for environmental noise measurement
as well as satisfying the need to measure industrial noise. For
the acoustic professional this instrument offers everything in
a single hand held instrument.
Deaf Defier Software
The Deaf Defier software and download cable are provided at
no extra cost with the CR831C. Click
here for more information.
Additional Documentation |
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