Sound Level Meter, 20 to 143 dB

Smart sound level meter has a variety of data transmission methods, integrated 4G, WiFi, Bluetooth, serial port, USB, large-capacity storage, 16G internal storage and expandable 64 GB TF card.

Sound Level Meter Features

• Class 1 sound level meter uses a 4.3-inch large color touch screen display, with a simple and clear interface and easy operation
• Data security is strong, storage data adopts encryption method to ensure data safety and effectiveness
• 20W fast charging, 2 hours of charging can meet 1 24-hour measurement
• Strong integration scalability, a new generation of Internet instruments, integrated 4G, WIFI, Bluetooth, GPS, serial port, USB, the network port can be expanded through the expansion adapter, and it can be easily integrated and connected to the cloud platform

Specification

Sound Level Meter Applications

Tips: Sound level meter working principle

The sound level meter uses a microphone to convert the sound into an electrical signal, and then a preamplifier converts the impedance to match the microphone with the attenuator. The amplifier adds the output signal to the weighting network, performs frequency weighting on the signal (or an external filter), and then amplifies the signal to a certain amplitude through the attenuator and amplifier, and sends it to the effective value detector (or external press Level recorder), give the value of the noise level on the indicator head.