DS 200 : เครื่องวัดปริมาณเสียงสะสม
• Noise pressure level: LAF, LAS, max, min• Equivalent continuous level: LAeq, LCeq, max, min
• Peak pressure level : LCpk, LZpk
• Detection and peak counting 135, 137, 140 dB
• Daily sound exposure level: Lex,d
• Sound exposure: EA,T : in Pa²h
DS 300 : เครื่องวัดปริมาณเสียงสะสม
• Only one dynamic range extended from 100 dB : 40-140 dB• Noise pressure level : LAF, LAS, max, min
• Equivalent continuous level : LAeq, LCeq, LXeq
• Daily sound exposure level : Lex,d
• Detection and peak counting 135, 137, 140 dB
• Frequency analysis: 63 Hz - 8 kHz
• Audio recording on treshold
• Two-channel measurement
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