صوت سنج وینتکت مدل WT1357

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

3 s

Operating condition

0~40℃，10~85%RH

Storage condition

-10~40℃，0~70%RH