PCB-377A14
| basic data | |||
| Nominal diameter of microphone | 1/4 " | ||
| application | pressure field | ||
| Sensitivity in the open circuit | 1.0 mV / PA | [2] | |
| sensitivity in the open circuit (±3 dB) | -60 dB in relation to 1 V / PA | [2] | |
| Frequency range (±2 dB) | 4 … 70,000 Hz | ||
| Lower limiting frequency (-3 dB) | 0.25 … 3.0 Hz | 0.25 … 3 Hz | |
| resonance frequency (phase shift 90°) | 65,000 Hz | [1] | |
| noise | < 35 dB(A) in relation to 20 µPa | ||
| dynamic range (for THD ≤ 3%) | > 174 dB in relation to 20 µPa | ||
| Conditions of use | |||
| temperature range (operation) | -40 … 248 ° F | -40 … 120 ° C | |
| Temperature coefficient of sensitivity (10 … 50 ° C) | 0,004 dB/°F | F/0.007 dB / ° C | [2] [1] |
| influence of static pressure | -0.003 dB/kPa | [2] [1] | |
| Humidity coefficient of sensitivity (0 … 100%, non-condensing) | ±0, 0012 dB/% RH | [2] [1] | |
| influence by axial vibration (0.1 g, 1 m/s² ) | 66 dB in relation to 20 µPa | [1] | |
| technical characteristics | |||
| capacity (polarized) | 5 pF | [1] | |
| polarization voltage | 0 V | [3] | |
| physical properties | |||
| housing material | stainless steel alloy | ||
| pressure | on the side | ||
| Mounting thread (for amp) | 0,2244 "-60 UNS | 5.7 mm - 60 UNS | |
| mounting thread (for cover) | 0.25"-60 UNS | 6,35 mm - 60 UNS | |
| size - diameter (with cap) | 0.28 in | 7.0 mm | |
| size - diameter (without protection cap) | 0.25 in | 6.4 mm | |
| size - height (with cap) | 0.41 in | 10.5 mm | |
| size - height (without Schutzkappe) | 0.36 in | 9.1 mm | |
| mass | 0.06 oz | 1.8 grams | [1] |
| notes | |||
| [1] | typically | ||
| [2] | based on 250 Hz | ||
| [3] | Prepolarized | ||
| Accessories | |||
| ACS-20 | calibration precision microphones | -1 |
PCB-377A14
