Description
Features
- High sensitivity
- Fast response
- Low consumption
- Excellent stability
- Long service life
Technical Specifications
Frequency Range | 31.5 Hz to 8 kHz |
Time Response | Quick response T = 200 ms Time response simulate human ear’s time response |
Measurement Range | 30 dB to 130 dB |
Signal Output | RS 485 |
Working Humidity | Working humidity |
Power Supply | DC 12 V |
Maximum Output Resistance | 200 Ω |
Microphone | Capacitor microphone |
Working Temperature | 32 °F to 122 °F (0 ℃ to 50 ℃) |
Power Consumption | DC 12 V, about 20 mwah |
External Packaging | ABS plastics |
Accuracy | 73.4 °F to 41 °F (23 ℃ to 5 ℃) The frequency weighting accords with the IEC 61672 type 2 standard and calibrated under the condition of input signal 94 dB (31.5 Hz to 8 kHz) |