Measuring range     

30~130dBA、35~130dBC     

Accuracy     

+/- 1.5 dB (under reference conditions)     

Frequency range     

31.5Hz~8.5KHz     

Level range     

30~80,50~100,60~110,80~130, 30~130dB     

Linearity range     

50dB / 100dB     

Frequency weighting     

A / C     

Digital Display     

4digits     

Resolution     

0.1dB     

Sample rate     

2 times/second     

Bar graph     

50 dB scale at 1 dB step for monitoring     
current sound pressure level display
Sample rate: 20times/second

Over indication     

OVER / UNDER     

AC output     

0.707Vrms at FS output impedance     
approx. 600 ohm

DC output     

10mV/dB, output impendance approx. 100ohm     

Time weight     

FAST / SLOW     

Microphone     

1/2 inch electret condenser microphone     

Max     

MAX     

Power supply     

1.5V AA alkaline cells or DC 6V 100mA     
(maximum DC9V)

Power life     

About 30 hours (alkaline battery)     

Self calibration time     

3s     

Operating condition     

0~40℃，10~80%RH     

Storage condition     

-10~60℃，10~70%RH     

Weight     

308g (including battery)     

Dimension     

256*70*35mm