Technical Specifications
| 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) |
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