Normal sound pressure level: 94 dB, 114 dB. Frequency 1000 Hz, give independence of weighting. Normal frequency: 1000 Hz. Sound level accuration: ±0.2 dB(+23 ℃ ). ±0.3 dB(-10 ℃ +50 ℃ ). Frequency accuration: ±1 %.
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30 dB(A) ~ 130dB(A). 30dB(A)-130dB(A. Its performance complies with standard IEC 61672-1:2002 Class 2. Factory noise investigations. Self-generated Noise. Complies with IEC61672-2002 Class 2. Data Storage. ).
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25dB(A)~140dB(A). F, S, I, Peak. Self-generated Noise. ■ Small and light weight, fit in a pocket. ■ Complies with IEC 61672 Class 1. Data Storage. Battery 4×LR 6 (not included). Sampling Frequency.
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25dB(A)~140dB(A). F, S, I, Peak. ■ Small and light weight, fit in a pocket. Self-generated Noise. ■ Wide Dynamic Range. Frequency Range. Over limit indication. ■ Complies with IEC 61672 Class 1.
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25dB(A)~140dB(A). F, S, I, Peak. ■ Small and light weight, fit in a pocket. Self-generated Noise. ■ Wide Dynamic Range. Frequency Range. Over limit indication. ■ Complies with IEC 61672 Class 1.
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Statistical analysis function. F, S, I, Peak. ■ Small and light weight, fit in a pocket. Self-generated Noise. ■ Complies with IEC 61672 Class 1. 10 Hz ~ 20 kHz. Data Storage. Battery 4×LR 6 (not included).
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Statistical Analysis Function. Its performance complies with standard IEC 61672-1:2002 Class 2. Factory noise investigations. Self-generated Noise. Recoding & Data logging Function. Complies with IEC61672-2002 Class 2.
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F, S, I, Peak. Self-generated Noise. ■ Small and light weight, fit in a pocket. ■ Complies with IEC 61672 Class 1. Data Storage. Battery 4×LR 6 (not included). Frequency Weighting. Sampling Frequency.
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