Primary; To feature :& nbsp;& nbsp;& nbsp; The lowest resonant frequency Fo value is one of the important parameters of the horn. The 7117C can automatically measure the horn Fo value immediately without manual adjustment and display it in digital form. The 7117C can set the upper and lower limits and automatically determine whether it is qualified/unqualified. It is very suitable for 100% quality inspection on the production line. 7117C is not only suitable for speaker manufacturers, but also suitable for: audio factories, multimedia factories, monitor factories… Incoming inspection of horn, etc.
The lowest resonant frequency Fo value is searched automatically at high speed, and the reading time of Fo value is 1~1.5 seconds.
The upper and lower limits can be set, and the automatic judgment is qualified/unqualified. The search plus judgment time is only 0.3~0.7 seconds in total.
Digital display, accurate, no visual error.
Comply with ANSI and EIA standard test methods.
Model - 7117C  Basic Specifications& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;& nbsp;
Frequency Range :
20 Hz ～ 3 kHz， 4 Ranges :
16 Hz ～ 80 Hz.
54 Hz ～ 270 Hz.
180 Hz ～ 900 Hz.
600 Hz ～ 3 kHz.
Tolerance :
Test Voltage :
Load Impedance :
Dimension :
Net Weight :
≦ ± 1 % or ± 1 Hz .  1 Vrms ± 10%. ( According to EIA Std ).  3.2 ～ 100 Ω.& nbsp; 37 ( L )× 13 ( H )× 28 ( D ) cm.  6 KGS.