MIC-20 Free Field Measurement Microphone Test Speakers, Loudspeaker Box And Other Products
- Product Details
- Inquiry
it is a high-precision 1/2-inch free-field microphone, suitable for measurement in free-field without any change in sound. This microphone’s specification makes it ideal for sound pressure measurements in accordance with IEC61672 Class1. It can test speakers, loudspeaker box and other products.
Performance Parameters
| Product Specifications | |
| Sound Field Type | Free Field |
| Sensitivity | 47.2mV ( -26.5dB ) /Pa |
| Dynamic Range | ≥ 146dB ( THD < 3% ) |
| Frequency Range | 20Hz – 20kHz |
| Equivalent Noise | ≤ 17dB |
| Range Of Working Temperature/Humidity | -20 ℃ ～ +40 ℃；≤80%RH |
| Temperature Coefficient | ≤±0.020dB/℃ ( At 250Hz, -10℃~50℃ ) |
| Static Pressure Coefficient | ≤±0.010dB/KPa ( At 250Hz ) |
| Equipment Specifications | |
| Operating Temperature/Humidity | -20～40°C, <80%RH |
| Power Supply | DC: 24V |
| Dimensions ( Ф XL ) | 13.3mm X 61mm |
| Weight | 0. 05kg |
