Total Meter SL4202 소음계

Frequency range: 31.5Hz to 8kHz

Measuring range: (28) 30-130dB

Frequency density: A / C

Microphone: 1/2 inch polarized capacitive microphone

Digital display: 4 digits LCD

Resolution: 0.1dB

Update Screen: 2 times / second

Timing Density: Fast 125ms, slow 1 second

Measuring range:

Range 1: (28) 30dB to 70 dB

DB range 2:60 to 100 dB

DB range 3:90 to 130 dB

Accuracy: ± 1.5dB

Dynamic range: 40dB

Data storage: 60000 samples

Interface: USB

Power supply: 01 9V battery

Operating temperature: 0-40 ℃ (32-104 ° F)

Relative humidity: ≤ 75% RH