SPECIFICATIONS
|
| Standard applied |
IEC651 type 2, ANSI S1.4 type 2 |
| Calibration sound source |
94dB @ 1kHz |
| Measurement range |
30~130dBA |
| Accuracy |
+1.5dB(reference sound pressure standard,94dB@1KHz) |
| Frequency response |
31.5~8.5KHz |
| Resolution |
0.1dB |
| Frequency weighting |
A/C |
| Analogy bar graph |
2dB/1 Bar graph |
| Display update time |
2 times/second (FAST), 1 time/second (SLOW) |
| AC signal output |
4Vrms/ full barograph, output impedance is approx 600 ohm |
| DC signal output |
33mV/dB |
| Sampling rate |
FAST (125ms / SLOW (1s) |
| Power supply |
6V (4pcs AA Size 1.5V battery not included) |
| Dimension |
245*70*45mm |
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