Measures true sound level in decibels (both dBA and dBC scales) and sound intensity. For use with PASPORT Interfaces.
See the Buying Guide for this item's required, recommended, and additional accessories.
The Sound Level Sensor is designed to measure the intensity level of sound sources within proximity to the sensor. The sensor features three range switches to match the intensity range of the measured phenomena.
The sensor measures sound level in both the dBA and dBC scales. The dBC scale includes all frequencies incident on the Sound Level Sensor, whereas the dBA scale filters out some frequencies to more closely match the frequency response of the human ear.
The sensor also reports a measurement of sound intensity in μW/m2, which is calculated from the dBC measurement of the sound level.
- Explore sound levels outside the classroom
- Discover the logarithmic relationship between sound level and sound intensity
|Range||70 dB to 110 dB; 10 μW/m2 to 10,000 μW/m2|
|Max Sample Rate||20 Hz|
|Accuracy||±2 dB at 94 dB (1000 Hz)|
This product requires PASCO software for data collection and analysis. We recommend the following option(s). For more information on which is right for your classroom, see our Software Comparison: SPARKvue vs. Capstone »
This product requires a PASCO Interface to connect to your computer or device. We recommend the following option(s). For a breakdown of features, capabilities, and additional options, see our Interface Comparison Guide »
|PASPORT Sensor Extension Cable||PS-2500||$25|
Perform the following experiments and more with the PASPORT Sound Level Sensor.
Visit PASCO's Experiment Library to view all activities for this product.
This lab helps students recognize that continuous sound is made by vibrating objects, and can be described using pitch and volume. Students will also explore continuous sounds with changing volumes.
In this lab, students will use sound level sensors to investigate the sound intensity from devices such as tuning forks, musical instruments, and the human voice.
In this lab, students use a sound level sensor to measure the sound levels from different objects. Students will determine the sound sources, and determine the relationship between vibrations and sound level.
|PASPORT Sound Level Sensor Manual||English||271.28 KB|