PCB-377C01
- Prepolarized 1/4"-Präzisionsmikrofonkapsel
für free-fieldanwendungen, - Empfindlichkeit 2,0 mV/Pa,
- Dynamikbereich >164 dB,
- Frequenzbereich 3 …≥100.000 Hz
| basic data | |||
| Nominal diameter of microphone | 1/4 " | ||
| application | free-field | ||
| Sensitivity in the open circuit (at 250 Hz) | 2.0 mV / PA | ||
| sensitivity in the open circuit (±3 dB) (at 250 Hz) | -54 dB in relation to 1 V / PA | ||
| Frequency range (± 1 dB) | 6 … 12,500 Hz | ||
| (±2 dB) frequency range | 4 … 80,000 Hz | ||
| Frequency range (± 3 dB) | 3 … 100,000 Hz | ||
| lower limiting frequency (-3 dB) | 0.25 … 3 Hz | ||
| resonance frequency (Phase shift 90°) | 75,000 Hz | [1] | |
| noise | < 35 dB(A) in relation to 20 µPa | ||
| dynamic range (for THD ≤ 3%) | > 164 dB in relation to 20 µPa | ||
| microphone type in accordance with IEC 61094-4 | WS3F | ||
| conditions | |||
| Temperature range (operation) | -40 … 248 ° F | -40 … 120 ° C | |
| Temperature coefficient of sensitivity (10 … 50 ° C) | 0.003 dB / ° F | 0.006 dB / ° C | [1] |
| Influence of static pressure | -0.005 dB/kPa | ||
| Humidity coefficient of sensitivity | -0.001 … 0.001 dB/% RH | -0.001 … 0.001 dB/% RH | [1] |
| influence by axial vibration (0.1 g, 1 m/s²) | 60 dB in relation to 20 µPa | [1] | |
| technical characteristics | |||
| capacity (polarized) | 4.5 pF | [1] | |
| polarization voltage | 0 V | [2] | |
| Physical properties | |||
| housing material | stainless steel alloy | ||
| pressure | back | ||
| Mounting thread (for preamp) | 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 protection cap) | 0.36 in | 9.1 mm | |
| mass | 0.06 oz | 1.8 grams | [1] |
| notes | |||
| [] 1] | typically | ||
| [2] | Prepolarized | ||
| Accessories | |||
| ACS-20 | calibration of preprocessor zisions condenser microphones | -1 |
PCB-377C01
