| Designed according to standards |
IEC651 (Type 2) and ANSI 51.4 (Type 2) |
| Calibration sound source |
94dB rig 1KHz |
| Measurement range |
30 -130dB |
| Accuracy |
+1.5dB (reference sound pressure standard, 94dB@KHz) |
| Frequency Response |
31.5Hz - 8.5KHz |
| Resolution |
0.1dB |
| Measurement weighting |
A or C weighting |
| Bar graph display |
2dB/Bar graph increment |
| Meter Response time |
Fast (125 milliseconds), Slow (1 second) |
| Numeric Display Response Rate |
Fast (2 updates/second), Slow (1 update/second) |
| AC signal output |
2V(RMS) full scale (130 dB), out-put impedance is approximately 600 Ohms |
| DC signal output |
33mV/dB (per dB above 30dB threshold detection level) |
| Battery |
2 – AA |
| Dimensions |
9 x 2.5 x 1.5 in |
| Weight |
0.5 lbs. |