1.Application
This unit adopts condenser microphone as the sensor, powered by a high-performance MCU for precise measurements and rapid response. It is ideal for noise control engineering, quality assurance, health monitoring, and environmental sound measurement across diverse settings including construction sites, factories, schools, offices, transportation routes, residential areas, and audio systems.
2. Feature
- High accuracy and fast response
- Ambient temperature measurement
- MAX and MIN
- Data HOLD
- Wide frequency range
- Fast and slow time weighting
- Over range indication
- Enable/Disable auto power off
| Applied standard | IEC61672-1 CLASS2 |
| Measuring range | 35dB ～ 135dB |
| Dynamic range | 50dB |
| Frequency range | 31.5Hz ～ 8KHz |
| Accuracy | ±2.0dB |
| Frequency weighting | A frequency weighting |
| Time weighting | FAST ：125ms ;SLOW: 1s |
| Microphone | 1/2 inch electrets condenser microphone |
| Temperature range | -10℃~60℃/14℉~140℉ |
| Temperature accuracy | ±1.5℃/2.7℉ |
| Resolution | 0.1 |
| Data update | 300ms |
| Battery life | 60 hours |
| Enable/disable auto power off |
The meter shuts off automatically after 15 minutes inactivity under auto power off mode, disable auto power off is available |
| Battery | 3*1.5V “AAA” batteries |
| Operating conditions | -10℃~60℃/14℉~140℉,10RH%～90RH% |
| Storage conditions | -20℃~60℃/-4℉~140℉,10RH%～75RH% |
| Dimensions | 157×56×30mm |
| Weight | 73g |
3.Accessories
① User’s manual
② 3*1.5V AAA Battery
③ Windscreen microphone cover
