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|Measuring Range::||30~130 DB||Accuracy:||±1.0 DB|
|Resolution:||0.1 DB||Frequency Response:||20 ~ 12,500 Hz|
|Standard:||IEC 651.2, ANSI 1.4.2|
* Permits choice “A”, “C” , “F” weighting and “Fast” / “Slow” response times.
* Offers 4 measurement parameters: Lp (sound level); Leq (Equivalent Continuous A Sound Level ); Lmax ( Maximum Sound Level) and LN (Percent of all readings over alarm value set ).
* DC output :1 0 m V / d B.
* Can memorize 30 groups of measurement results and measuring conditions.
* Auto range selection and digital display with no guessing errors.
* Use “USB data output” and “RS-232 data output” to connect with PC.
* Provide “Bluetooth ™ data output” choice.
1. Main Unit
3. Carrying Case
4. Operation Manual
1. ND9 sound level meter calibrator
2. USB, RS-232 Data Cable With Software
3. Bluetooth Data Out put With Software
Sound level meter are widely used to test the sound level of environment, machinery, vehicle, ship and other noise. For industrial environmental protection,construction, health care, teaching and researchdepartment.