Application cases

Scanning sine wave with low distortion rate
THD ≤ 0.15%, 20Hz~20kHz. It is used to detect abnormal sound of horn and other electroacoustic components.
Digital display voltmeter and frequency meter
Full digital display of voltage value and frequency value, meeting the requirements of precise measurement, and more durable and impact resistant than traditional pointer ammeter
Logarithmic sweep
Manual or automatic logarithmic frequency scanning is available, and the starting/stopping frequency range can be set as required.
The functions of the buttons are simple and clear, which can also be used by non professionals. Models with different output powers, such as 20W, 60W, 100W and 200W, are available for purchase. They are all equipped with triple short circuit protection circuits, which can allow long output short circuits and will not damage the instrument.
The voltage value has coarse adjustment and fine adjustment buttons
The voltmeter with a resolution of 0.001 V and the volume adjustment buttons of coarse adjustment and fine adjustment can easily adjust the required voltage. The precise low voltage value required for the receiver and earphone is particularly easy to set.
Excellent reliability
Professional design with more than 20 years of experience, extremely low failure rate, high stability, and no fear of all-weather continuous use.
The value of Fo can be tested manually, and the frequency can be fine adjusted
Digital display frequency meter, supplemented by frequency trimming button, can accurately measure the lowest resonant frequency Fo value of horn, etc.