| Standard | GB or T3785-2010, IEC 61672:2013, Class 1 or Class 2 |
| Measurement Parameters | Lp, Leq, LAE, L5, L10, L50, L90, L95, Lmax, Lmin, LCpeak, EA. |
| Microphone | Project measurement microphone of Type HY207 Class 1, or HY205 Class 2, nominal diameter 0.5 in (12.77 mm), free-field frequency response. |
| Measurement Range | A: 30 dB to 130 dB, C: 40 dB to 130 dB, Z: 45 dB to 130 Db |
| Time Weighting | F(Fast), S(Slow), I(Impulse) |
| Filters | 1 or 3 octave filter and 1 or 1 octave filter |
| Integrating Time | Manually controlled measurement time during 5 s to 99 h 59 min 59 s |
| Display | 320 x 240 TFT color LCD, resolution 0.1dB, with overload, under-range and low battery voltage indicators. |
| Digital Output | Output socket DB9 male connector, RS232 serial interface, baud rate 9600Bd. Portable minitype thermal printer RD-V32-SN can be connected to it. |
| Storage | 2 GB or 4 GB SD card |
| Power | 4 x R6 batteries, last for 18h at reference conditions |
| Outline Size | L: 313.39 in, W: 2.95 in, H: 0.98 in ( 340 mm x 75 mm x 25 mm) |
| Temperature Range | Class 1: -50 °F to 122 °F, ( -10 ℃ to 50 ℃) Class 2: 32 °F, to 104 °F, ( 0 ℃ to 40 ℃) |
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