Wireless digital sound sensor

Wireless digital sound sensor

The wireless digital sound sensor is intended for use in physics and natural science classrooms.

Connection:
- Connects to a smartphone, PC, laptop or tablet via Bluetooth or USB.

Specifications:
- **Sound level measurement ranges:**
 - Range 1: from 40 to 110 dBA
 - Range 2: from 40 to 110 dBK
- **Sound shape of the signal:**
 - Range 1: ±25 mV
 - Range 2: ±100 mV
- **Frequency characteristics of microphones:**
 - From 20 to 16,000 Hz (16 kHz)
 - Maximum sensitivity: from 20 to 10 kHz
 - Reduced sensitivity: from 10 to 16 kHz
- **Resolution:**
 - 0.1 dBA / dBK
 - 0.01-0.1 mV
- **Sound level accuracy:** ±3 dB
- **Registration speed:** up to 20,000 samples per second (50 µs)

 Battery:
- Internal Li-ion battery, 3.7 V, 1300 mAh

 Range of work:
- Temperature: 0 - 40˚C
- Humidity: from 0 to 95% (non-condensing)

Bluetooth:
- **Version:** Bluetooth 4.2
- **Transmitter power:** 0 dBM
- **Sensitivity of the receiver:** -90 dBM
- **Maximum signal range:** up to 10 m in open space
- **Frequency range:** 2.402 to 2.480 GHz

 Complete set:
- Methodical manual
- Sensor
- USB cable
- A set of software

This sensor is an ideal tool for sound level measurement, providing high accuracy and speed of data logging, as well as the convenience of wireless connection.