| Fulfils Standard |
IEC 60942 Class 1 |
| Normal Sound Pressure Level |
94dB |
| Standard Deviation for SPL |
Smaller than ±0.3 dB |
| Frequency (Hz) |
1000Hz, 500Hz, 250Hz, 125Hz |
| Standard Deviation for Frequency |
Smaller than ±1% |
| Distortion (THD) |
≤ 1 % |
| Power Supply |
Lithium Recharge Battery (3.6V) |
| Display |
122 × 32 LCD |
| Display Interface |
Nominal SPL, Frequency, Temp, Humidity, Atmospheric Pressure, Clock Calendar |
| Data Output Interface |
RS-232 (Real-time values or recorded results) |
| Atmospheric Pressure |
9.49 psi to 15.69 psi |
| Barometric Corrections |
Automatic Correction |
| Accessories |
1/2″ Adaptor (AWA8531), 5V Power Adaptor |
| Working Environment |
Temperature: 14 ℉ to 122 ℉ (-10 °C to 50 °C) |
| Humidity |
10 % to 90 % |
| Dimension |
6.10 in × 1.97 in × 1.57 in (154.94 mm × 50.04 mm × 39.88 mm) |
| Weight |
0.529 lb (0.240 kg) |
