PCB-378A14
basic data | |||
Nominal microphone diameter | 1/4 " | ||
application | merge 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 ] | |
(±2 dB) frequency range | 4.0 … 70,000 Hz | ||
lower limiting frequency (-3 dB) | 0,75 … 4.0 Hz | ||
Noise | < 60 dB in relation to 20 µPa | ||
noise | < 53 dB(A) in relation to 20 µPa | ||
dynamic range (for total harmonic distortion ? 3%) | > 174 dB in relation to 20 µPa | ||
Dynamic range (maximum without clipping) | > 177 dB in relation to 20 µPa | [1] | |
TEDS Chip | integrates by default | [3] | |
conditions | |||
temperature range (operation) | -40 … 158 °F | -40 … 70 °C | |
Temperature coefficient of sensitivity (-10 … 70 ° C) | 0.003 dB / ° F | 0.006 dB / ° C | [4] [2] |
influence of static pressure | -0.003 dB/kPa | [4] | |
influence by humidity (0 … 100%, non-condensing) | -0.0014 … 0,0014 dB/% RH | -0.0014 … 0.0014 dB/% RH | [2] |
Influence by axial vibration (0.1 g, 1 m/s²) | 66 dB in relation to 20 µPa | [4] | |
Technical properties | |||
Polarization voltage | 0 V | [5] | |
Supply | 20 … 32 V DC | ||
constant power supply | 2 … 20 mA | ||
Bias voltage | 10 … 14 V DC | ||
output impedance | < 50Ω | ||
Maximum output range | ±8 V pk | ||
physical properties | |||
housing material | stainless steel alloy | ||
Pressure equalization | side | ||
Electrical connection | 10-32 socket | ||
mounting thread (preamplifier) | 0.25-60 UNS | ||
size ße - diameter (with cap) | 0.28 in | 7.1 mm | |
size - diameter (without protection cap) | 0.25 in | 6.35 mm | |
size ße - height (with cap) | 2.07 in | 52.6 mm | |
size - height (without protection cap) | 2.02 in | 51.3 mm | |
mass | 0.27 oz | 7.8 grams | [4] |
Notes | |||
[1] | peak | ||
[2] | based on 250 Hz | ||
[3] | TEDS memory in accordance with IEEE PP1451. 4 | ||
[4] | typically | ||
[5] | Prepolarized | ||
[6] | details: see PCB Declaration of conformance PS076 | ||
Accessories | |||
ACS-42 | calibration of a microphone with pre-amplifier | -1 | |
(TLD) TEDS memory in accordance with IEEE P1451. 4 | |||
Accessories | |||
ACS-63 | calibration microphone with pre-amplifier | -1 |