Description
Technical specification
| A weighting | 30 dB to 130 dB |
| Frequency range | 31.5 Hz to 8 kHz |
| Resolution | 0.1 dB |
| Display | 4 digits LCD |
| Power supply | 9 V NEDA 1604 |
| Power life | Approximate 50 hours alkaline     battery |
| Indoor operation | <2000 m |
| Accuracy | ±1.5 dB |
| Dynamic range | 50 dB |
| Operation humidity | <80% RH |
| Operation temperature |  41 °F to 104 °F (5 ℃ to 40 ℃) |
| Dimension | 7.8 in × 2.2 in × 1.5 in (200 mm × 55 mm × 38 mm) |
| Weight | 8.21 oz (233 g) |