| 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 |
Frequency Range :
20 Hz～3 kHz，4 Ranges :
1. 16 Hz～80 Hz.
2. 54 Hz～270 Hz.
3. 180 Hz～900 Hz.
4. 600 Hz～3 kHz.
l Tolerance :≦±1 % or±1 Hz .
l Test Voltage :1 Vrms±10%. ( According to EIA Std ).
l Load Impedance :3.2～100Ω.
l Dimension :37 ( L )×13 ( H )×28 ( D ) cm.
l Net Weight :6 KGS.
