KEMOUltrasonic Signal Generator Module - 12-15V DC, <50mA, 8-40kHz, Black, Rotary Switch, Speaker Actuator, Automatic Operation

KEMOUltrasonic Signal Generator Module - 12-15V DC, <50mA, 8-40kHz, Black, Rotary Switch, Speaker Actuator, Automatic Operation

Q: Someone mentioned the frequency fluctuates. Can you lock in a frequency or does it always fluctuate?

My unit does "waver" at about 2 Hz around the set center frequency. When in the audible region it sounds like a sound effect in an old TV show. The "wavering" is definitely an intentional design feature, not a problem with the circuitry. I watched the output on an oscilloscope and the wavering continues even as the frequency moves to the highest end of the frequency range. For any use other than a pure signal generator, like trying to drive away critters, the wavering is probably a good design feature.

Q: If I use this device + piezo loudspeaker + bullhorn will I be able to get the desired effect on a dog about 150-200 ft away?

It works good on some dogs at that range, but others can be within 50 and ignore it. We had 3 dogs next to us and 2 of them never noticed and the 3rd one would stop barking and run for the house. He would head to the house when he was at least 200 feet away, he soon became a non barking dog.

Q: Can this run on batteries? Or only DC power plug?

Batteries such as AA or AAA or similar chemical batteries are DC. The device does not come with a battery compartment. I guess if you attached a battery the device would work.

معرّف المنتج: 484699250

معاملة آمنة

التفاصيل

Operation mode
automatic
Current rating
50 Milliamps
Operating voltage
15 Volts
Contact type
Normally Open
Connector type
Screw

⚡12-15V DC

🎶8-40kHz

🔋<50mA

يُشترى معًا بشكل متكرر

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الوصف

🎵 Unleash Your Sound Potential!

COMPACT DESIGN - Sleek dimensions of 60 x 45 x 29 mm, fitting seamlessly into any project.
POWERFUL PERFORMANCE - Efficiently operates at 12-15V DC, ensuring reliable performance.
VERSATILE AUDIO RANGE - Adjustable frequency from 8-40kHz, perfect for various audio applications.
LOW ENERGY CONSUMPTION - Draws less than 50mA, making it eco-friendly and cost-effective.
USER FRIENDLY OPERATION - Equipped with a rotary switch for effortless adjustments.

The KEMO Ultrasonic Signal Generator Module is a compact and efficient device designed for audio enthusiasts and professionals alike. Operating at 12-15V DC with a low current consumption of less than 50mA, it offers an adjustable frequency range of 8-40kHz, making it ideal for various applications. Its user-friendly rotary switch and sleek design ensure that it fits perfectly into any setup.

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Someone mentioned the frequency fluctuates. Can you lock in a frequency or does it always fluctuate?

If I use this device + piezo loudspeaker + bullhorn will I be able to get the desired effect on a dog about 150-200 ft away?

Any idea what AC power adapter to power this unit? thanks

Can this run on batteries? Or only DC power plug?

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فاطمة أ.

أفضل شحن دولي جربته على الإطلاق. يستحق كل قرش!

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فرحان ق.

كان وقت التوصيل ممتازًا، والتغليف كان آمنًا.

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