DF5990B Speaker FO Tester
Price:Negotiable
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Description
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DF5990B Speaker FO Tester
Utilizes traditional frequency-based testing principle.
4-digit display of speaker resonant frequency Fo.
Features upper and lower limit settings with GO/NO-GO judgment circuit.
Test results are indicated by pass/fail lights.
Suitable for product inspection and production line use.
Type C offers intelligence, digitalization, and high stability.
Frequency Range | 10Hz～6KHz (DF5990B) 10Hz～9.999KHz (DF5990C) |
Measurement Accuracy | 1% ±1Hz. |
Speaker Impedance Range | 2Ω～200Ω. |
Test Voltage | 0～4Vrms. |
Upper/Lower Limit Setting Accuracy | Less than 1%. |
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| Origin: | China |
