shenzhen baichuan electronics
Speaker Fo tester DF5990B
| External dimensions | 320×360×100mm |
| Weight | 3kg |
| The characteristic | 1、Adopts the traditional frequency method testing principle.
2、4-digit digital display of speaker resonance frequency Fo.
3、There are upper and lower limit settings and GO/NO-GO discrimination circuits.
4、There is an indicator light indicating whether the test results are qualified or not.
5、Suitable for product inspection and production line use.
6、C-type has intelligence, digitization, and high stability. |
| Main technical parameters | 1、Frequency range: 10Hz~6KHz
2、Measurement accuracy: 1% ± 1Hz.
3、Speaker impedance range: 2 Ω to 200 Ω.
4、Test voltage: 0-4Vrms.
5、Determination of upper and lower limit-setting standards: less than 1% |