Function and Applications
Use the Cobra SMARTsense Sound to measure sound level and acoustic signals in the measuring range of 55 ... 110 dB(A) and 100 ... 15000 Hz and investigate the basic concepts of acoustics with your pupils in a child's play way.
With sampling rates of up to 10 Hz (sound level) and 32 kHz (sound signal) and a resolution of 0.1 dB(A), the digital sound sensor can be used flexibly in experiments ranging from measuring the speed of sound in air to the acoustic Doppler effect.
Connect the Cobra SMARTsense Sound wirelessly via Bluetooth or wired via USB to the free and award-winning measureAPP – available for iOS, Android, Windows and Linux.
Switch on. Connect. Start measuring.
Benefits
- Get started straight away with any Bluetooth-enabled device and the free measureAPP.
- Intelligent and efficient power management for up to 50 teaching hours on one battery charge.
- Up to 32000 readings per second guarantee precision.
Technical Specification
- Measurement channel:
Sound level- Measuring range: 55 ... 110 dB(A)
- Resolution: 0.1 dB(A)
- Data rate: 10 Hz
- Measurement channel:
Sound signal- Microphone frequency range: 100 ... 15000 Hz
- Data rate: 32 kHz (USB), 8 kHz (Bluetooth)
- Bluetooth version: 5.0
- Battery: Rechargeable lithium-polymer battery with up to 50 hours operating time
- Included: USB-A to USB-C charging cable
- Associated measurement microphone is included in the delivery.

