Wireless sound sensor

Description

The sensor can be used wirelessly via Bluetooth or wired via USB with the Coach 7 or Coach 7 lite programs/apps on computers (Windows and Mac), Chromebooks and mobile devices (Android and iOS).
The sound sensor supports A-weighting (dBA) for human hearing response and offers adjustable measurement ranges for different environments. The selected sound range is displayed on the screen.

Technical specifications:

• Measuring ranges:
  • 40 ~ 80 dB
  • 60 ~ 100 dB
  • 80 ~ 120 dB
• Resolution: 0.1 dB
• Warrantee: 36 months
• OLED display: 0.96” 128 x 64px
• Maximal sampling rate: 1 Hz
• Battery life: 8h when fully charged (rechargeable)
• Connection: Bluetooth 5, Low Energy (Mac, Android, iOS) Bluetooth 2.1, Classic (Windows) or USB-C 2.0

All specifications of the sensor are described it its Product manual, see downloads.

Suggested physics experiments:

• Measuring sound levels in different environments
• Investigating the effect of distance on sound intensity
• Comparing sound levels of different sound sources
• Testing the effect of sound insulation
• Investigating the effect of frequency on sound intensity
• Investigating the logarithmic nature of the decibel scale