| Applicable Standards |
ANSI S1.25 to 1991, A Weighting |
| Digital Display |
0% to 9999% DOSE |
| Criterion Level |
80 dB, 84 dB, 85, 90 dB Selectable |
| Threshold Level |
Selectable From 70 dB to 90 dB, 1 dB Step |
| Exchange Rate |
Selectable 3 dB, 4 dB, 5 dB or 6 dB |
| Measuring Range |
70 dBA to 140 dBA |
| Accuracy |
±1.5 dB ref. 94 dB @1 KHz |
| Resolution |
0.1 dB |
| Microphone |
1 by 2 In Electric Condenser Microphone |
| Power Supply |
4pcs size AAA Alkaline Battery |
| Battery Life |
About 36 Hours |
| Dimensions |
4.17 in × 2.52 in × 1.33 in (106 mm ×64 mm × 34 mm) |
| Weight |
12.34 oz (350 g) |
