Description
Overview
GAOTek sound level meter is using 240 × 320 color screen, with measurement range up to 133 dB and longest time of 30 hours continuously with 4 × LR6 alkaline battery.
Features
- A handhold noise measuring instrument
- Multifunction and user- friendly sound level meter
- 240×320 color screen
- Measurement range up to 133dB
- Synchronously do integrating measure, statistical
- Comply with IEC 61672 Class 2 and IEC61260 Class 2
- Language: English and Spanish
Technical Specifications
| Microphone | 1 or 2” prepolarized condenser microphone for free field (Sensitivity Level: -36dB) |
| Preamplifier | AWA 14602 removable preamplifier |
| Frequency Range | 20 Hz to 12.5 kHz ± 1 dB (not including microphone) |
| Total Measurement Range | 30 dB to 133 dB |
| Frequency Weighting. | Parallel (simultaneous) A, C, Z, B, D |
| Time Weighting | Parallel (simultaneous) F, S, I, Peak |
| Measurement Parameters | Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak, LAFmax, LAfmin, LAfeqT, LAseqT, LAieqT. Note: X is A, C, Z and Y is F, S, I |
| A/D Bits: | 24 bits |
| Sampling Frequency | 32 kHz. |
| Calibration | Using Sound Calibrator Class 2 model AWA6221B |
| Correction Function | Diffusion field correction in order to comply with standards ANSI S1.4 |
| Display | 240 × 320 color screen, adjustable brightness, backlight can be closed |
| Display Resolution | 0.1 dB |
| Low Battery Indication | indicate low battery |
| Data Storage | 3328 groups of integrating measuring results only. 32 Mb FLASH RAM (32G SD card memory function is optional) |
| Mini-printer | |
| Internal Clock | Error less than 1 min/month |