Class 1 sound level meter Rion NL-31
Applicable standards IEC60651: 1979 Type 1 IEC60804: 1985 Type 1 IEC/CDV: 61672-1 Class 1
Measurement functions Sound level (Lp) Equivalent continuous sound presure level (Leq) Sound exposure level (LE) Maximum (Lmax) and Minimum (Lmin) sound pressure level Percentile sound pressure level (LN) (5 selectable settings)
Key Benefits
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Complies with existing IEC standards and the new IEC/CDV 61672-1 standard (Class 1) |
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No range switching required due to the 100 dB wide dynamic range. |
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Simultaneous measurement of equivalent continuous sound pressure level Leq, percentile levels, Maximum levels (Lmax), etc. |
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Graph display for sound level fluctuations and back erase function |
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Backlit LCD screen for high-visibility display |
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One 16 MB Compact Flash card provides up to 1.3 days of Lp readings taken every 100 ms. |
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Timer function for automatic measurement over extended periods |
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Dual-measurement function allows setting level determination |
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Comparator output function allows setting level determination |
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Expansion features, including a range of filter settings, are provided by filter cards |
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Power failure compensation function when the AC adapter is used |
Detailed description NL21-31
Specification
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Measurement Range |
A weighting: 28-138dB, C weighting: 33-138dB, Flat: 38-138dB, Peak sound level: 141dB |
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Frequency Range |
20-12500 Hz (including microphone) |
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Time weighting |
Fast, Slow, Impulse (Impulse is selectable only for auxiliary processing functions) |
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Microphone 1/2-inch |
prepolarized condenser type UC-53A |
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Display |
Backlit LCD panel (128 X 64 dots+121 icons) |
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Power requirement |
Four IEC R6 (size "AA") batteries AC adapter NC-34 series (option) |
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Battery life(LR6) |
27h |
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Dimensions and weight |
260 (L) X 76 (W) X 33 (D) mm Approx. 400 g (incl. batteries) |
Pricing
| Description | ID | Price |
|---|---|---|
| Rion NL-31 | #2102 | 3.399€ |
