YF-20臺灣泰瑪斯TENMARS 指針式噪聲計(jì)/聲級計(jì)YF20
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
