Product Details

Rapid testing the lowest resonant frequency Fo value , complies with American EIA & ANSI stds., auto judging PASS / FAIL, suitable for use in production line,incoming parts inspection and quality control dept.
The Lowest Resonant Frequency Fo value is one of the important parameters of the loudspeaker, 7117C  can  automatically  & instantly  display  the  Fo value of  loudspeaker in digits, no manual searching is needed, moreover,  The Upper / Lower  limits  can  be set by 7117C,  auto  judge  the  PASS / FAIL,  very suitable  in  production  line  for 100 % Q.C. testing.  7117C  is  not  only  suitable  for loudspeaker firms, but also suitable for : incoming  inspection  of  the  loudspeaker by  the audio, monitor,multimedia firms....etc.

  Very fast in auto-searching the lowest  resonant  frequency,  Fo  value can  be displayed in just  1~1.5  seconds.
  Upper / Lower limits  can be set, auto judge PASS / FAIL,  auto-searching  and  judging  time require only  0.3 ~ 0.7 seconds
  Displays in digits, accurate,  no  visual  error.  Complies with  ANSI & EIA std. of  U. S. A.

Specifications of Model - 7117C

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 : <= ± 1 % or ± 1 Hz .
Test Voltage : 1 Vrms ±10%. ( According to EIA Std ).
Load Impedance : 3.2 ~ 100 Ω.
Dimension : 37 ( L ) × 13 ( H ) × 28 ( D ) cm.
Net Weight : 6 KGS

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