PCB-377A13
basic data | |||
Nominal microphone diameter | 42401 | ||
application | pressure field | ||
Sensitivity in the open circuit | 12.6 mV / PA | [2] | |
sensitivity in the open circuit (±2 dB) | -38.0 dB in relation to 1 V / PA | [2] | |
Frequency range (±2 dB) | 4 … 20,000 Hz | ||
Lower limiting frequency (-3 dB) | 1.0 … 3.0 Hz | ||
resonance frequency (phase shift 90°) | 18,500 Hz | [1] | |
Noise | < 20 dB(A) in relation to 20 µPa | ||
dynamic range (for THD ≤ 3%) | > 155 dB in relation to 20 µPa | ||
Microphone type in accordance with IEC 61094-4 | WS2P | ||
conditions of use | |||
temperature range (operation) | -40 … 248 ° F | -40 … 120 ° C | |
Temperature coefficient of sensitivity (-10 … 70 ° C) | 0,004 dB/°F | 0,008 dB/°C | [2] [1] |
Influence of static pressure | -0.005 dB/kPa | [2] [1] | |
humidity coefficient of sensitivity (0 … 100%, non-condensing) | ±0,001 dB/% RH | [2] | |
influence by axial vibration (0.1 g, 1 m/s²) | 66 dB in relation to 20 µPa | [1] | |
technical characteristics | |||
capacity ( polarized) | 14 pF | [1] | |
polarization voltage | 0 V | [3] | |
physical properties | |||
housing material | stainless Alloy | ||
pressure | back | ||
mounting thread (for amp) | 0,4606" - 60 UNS | 11,7 mm - 60 UNS | |
Mounting thread (for cover) | 0,5" - 60 UNS | 12,7 mm - 60 UNS | |
size - diameter (with cap) | 0.52 in | 13.2 mm | |
size - diameter (without protection cap) | 0.5 in | 12.7 mm | |
size - height (with cap) | 0.5 in | 12,7 mm | |
Size - height (without protection cap) | 0.47 in | 11.9 mm | |
mass | 0.23 oz | 6.5 grams | [1] |
notes | |||
[1] | typically | ||
[2] | based on 250 Hz | ||
[3] | Prepolarized | ||
Accessories | |||
ACS-20 | calibration of precision microphones | -1 |