快速支持
直接联系认证专家
Parameters SPL, LMax, LMin, LPk (peak), LEQ/LAVG, LE, Elapsed Time
Peak and Frequency
Weighting A, C, Z
Response Time Fast and Slow
Ranges 110 dBA total dynamic measurement range.
Overall range 30 – 140 dBA (single range)
Max Peak Level 143 dBA (sampled peak)
Exchange Rates 3, 4, 5 dBA
