مكان المنشأ
Guangdong, China
اسم العلامة التجارية
LANDTEK
Standards
IEC 651.2, ANSI 1.4.2
Parameters Measured 1
Lp - Sound Level
Parameters Measured 2
Leq - Equivalent Continuous A Sound Level
Parameters Measured 3
Lmax - Maximum Sound Level
Parameters Measured 4
LN - Percent of All Readings Over Alarm Value Set
Measurement Range 1
Lp 30 ~ 130 dB ( A Weighting )
Measurement Range 2
35 ~ 130 dB ( C Weighting )
Measurement Range 3
40 ~ 130 dB ( F Weighting )
Measurement Range 4
Leq 30 ~ 130 dB( 10 Seconds, 1 Min to 30 Min, 1 Hour to 24 Hours )
Measurement Range 5
LN 0 ~ 100 %
