| Calibration sound source | 94dB@1KHz |
| Measurement range | 30~130 dB(A), 35~130dB(C) |
| Accuracy | ±1.5dB(Reference sound pressure standard,94dB@1KHz) |
| Resolution | 0.1dB |
| Frequency weighting | A/C |
| Frequency response | 31.5Hz~8500Hz |
| Time weighting | FAST/SLOW |
| Sampling rate |
FAST: 8 times/second SLOW: 1 times/second |
| Rated current | 70mA |
| Standby current | 5uA |
| Power supply | 3.7V lithium battery /1000mAh |
| Charging time | 1.5h |
| Duration of service | 8h |
| Data storage | 31,000 |
| Microphone | 1/2-inch polarization capacitance microphone |
| Operating temperature | 0~50¡æ |
| Operating humidity | 10~80%RH |
| 10~80%RH | 160*56*31mm(Excluding sponge ball) |
| Weight | Approx 126g(Excluding sponge ball) |





BR 5038
MY 4378
US 4017
IN 2170
CN 2029
SG 1605
VN 1485
MX 1293
