Complaint
| Applicable standards | IEC61672-1: 2013 Class 2 |
| Measurement range | Auto:30 to 130dB,Manual: 30-90dB, 50-110dB, and 70-130dB |
| Microphone | 1/2 inch polarized condenser microphone |
| Frequency range | 31.5~8000Hz |
| Accuracy | ±1.5dB ( at reference condition of 94dB,1 kHz) |
| Resolution | 0.1dB |
| Data update | 500ms |
| Frequency weighting | A and C |
| Response time | FAST 125 ms, SLOW 1 s |
| Standard calibrator | 1KHz sine wave @ 94 or 114dB |
| Display | 3-1/2 digital LCD with analog bar-graph |
| Over load indication | Display "OVER" & "UNDER" icons |
| Outputs | AC/DC signal output from earphone jack AC=4Vrms ,DC=10mV/dB (only for LD8506) |
| Data output | Micro USB |
| Auto power off | Automatically power off if without operation in 20 mins |
| Power | One 6F22 battery or 9V 6LR61 |
| Memory | 32000 data(only for LD8506) |
| Operating condition | 0 ~ 50°C (32 ~ 122°F),10 ~ 90% RH,Non-condensing |
| Storage condition | -20 ~ 60°C (- 4 ~ 140°F),10 ~ 90% RH,Non-condensing |
| Weight & dimension | 200g(including battery),215mm*58mm*33mm |
| Accessories | Manual, 9V battery, windscreen USB cable, software CD (LD 8506). |
