国际规范 | IEC61672-1: line;background: transparent;color: rgb(51, 51, 51)">20line;background: transparent;color: rgb(51, 51, 51)">03 Class 2
IEC60651: 1979 line;background: transparent;color: rgb(51, 51, 51)">Type 2
ANSI S1.4: 1983 Type 2 |
line;background: transparent;color: rgb(51, 51, 51)">频率范围 | 31.5Hz-8KHz |
A加权 | 30dB-line;background: transparent;color: rgb(51, 51, 51)">130dB |
C加权 | 30dB-130dB |
檔位 | 5檔10dB
间隔：30-90dB,40-line;background: transparent;color: rgb(51, 51, 51)">100dB,50-line;background: transparent;color: rgb(51, 51, 51)">110dB,60-line;background: transparent;color: rgb(51, 51, 51)">120dB,70-130dB |
时间加权 | Faline;background: transparent;color: rgb(51, 51, 51)">st and Slow |
动态范围 | 50dB |
line;background: transparent;color: rgb(51, 51, 51)">数字显示 | 4位数LCD
(0.1dB分辨率) |
Quasi-analog bar indicator | 1dB display steps, 50dB display range, updated every 50ms. |
过载指示 | 每个范围之上限 |
低指示 | 每个范围之下限 |
麦克风 | 1/2 inchline;background: transparent;color: rgb(51, 51, 51)">电容式麦克风 |
模拟AC/DC输出 | 0.707Vline;background: transparent;color: rgb(51, 51, 51)">rms(at full scale), 10mVDC/dB. |
记录(Data logging) | 可记录3line;background: transparent;color: rgb(51, 51, 51)">2000笔line;background: transparent;color: rgb(51, 51, 51)">资料 |
操作环境 | -10-50℃,30%- 90%RH未凝结下 |
储存环境 | -10-60℃,小于70%RH未凝结下 |
line;background: transparent;color: rgb(51, 51, 51)">电源 | 1.5Vline;background: transparent;color: rgb(51, 51, 51)">电池x4 ; 交流转换器 |
尺寸及重量 | line;background: transparent;color: rgb(51, 51, 51)">265(L)x72(W)x36(H)mm&380g(含电池) |
附件 | 说明书、电池、防风球、调整起子、
3.5?耳机插头、携带盒、光盘line;background: transparent;color: rgb(51, 51, 51)">软件、RS-line;background: transparent;color: rgb(51, 51, 51)">232缆线 |
