YF-20/YF20 YF-20中国台湾泰玛斯TENMARS 指针式噪声计/声级计YF20
产品简介
详细信息
YF-20 Analog Sound Level Meter DISPLAY ▪Analog display with quick and accurate measurement. ▪Compressed scales minimize range switching. Functions ▪Unique selecting switch for easy operation by one-hand. ▪Special integrated circuit for long stability. ▪Battery test. SPECIFICATIONS ▪Ranges :LO （40-80dB）,Hi（80-120dB）. ▪Microphone: capacitance microphone. ▪Current: 5mA （when operating）. ▪Consumption: 14mA（BATT test）. DIMENSION ▪size: 160x65x ▪Weight: About