Feature

●AC frequency weighting and fast/steamed bread time weighting.
●USB interface, curve display noise change trend.
●High, medium and low automatic 4-band measurement with analog strip.
●The fuselage can store 32700 groups of data.
●Low load and overload protection.


Description

Accuracy: 1.4dB
Frequency response: 31.5Hz-8kHz
Frequency weighted characteristics: A and C
Time weighted characteristics: fast (FAST) 125 ms, slow (SLoW) 1 s
Microphone: 1/2-inch polarized condenser microphone
Display: 4-bit LCD, resolution 0dB, value updated twice/second
High and low overload indication: OVER and UNDER symbols
Data output: USB data communication
Power supply: 9V battery
Size: 278 * 76 * 50mm