Digital Sound Level Meter possesses the following features:
1. It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2
2. Accuracy up to +/- 1.5 dB
3. Measurement range: 30-130 dB
4. With two equivalent weighted sound pressure levels, A and C.
5. Fast & Slow dynamic characteristic modes.
6. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
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 |
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