Item No.: B15AN135
.This unit is a high performance maintenance tool which is
particularly suitable for use in machine noise detecyion.  
.By Using It,You can easily detect and find the early hidden
 trouble of a machine so that you can service the machine
in an early time to ensure the machine's proper operation
 and avoid any damage and economicloss.  
.Frequency Range:100~10kHz.  
.Input Impedance:＞15MΩ.  
.Ambient Noise Permitted:100dB.