PCB-378A13
| basic data | |||
| Nominal diameter of microphone | 1/2 " | ||
| application | pressure field | ||
| Sensitivity in the open circuit | 12.5 mV / PA | [3] | |
| the open circuit sensitivity | -38 dB in relation to 1 V / PA | [3] | |
| Frequency range (±2 dB) | 4 … 20,000 Hz | ||
| lower limiting frequency (3) | 1.0 … 3.0 Hz | ||
| noise (linear) | < 28 dB in relation to 20 µPa | ||
| noise | < 23 dB(A) in relation to 20 µPa | ||
| dynamic range (for THD ≤ 3%) | > 147 dB in relation to 20 µPa | ||
| Dynamic range (maximum without clipping) | 148 dB in relation to 20 µPa | [1] [2] | |
| TEDS Chip | integrates by default | [4] | |
| conditions | |||
| temperature range (operation) | -40 … 176 ° F | -40 … 80 ° C | |
| temperature coefficientTemperature coefficient of sensitivity (-10 … 70 ° C) | 0,004 dB/°F | 0,008 dB/°C | [1] [3] |
| influence of static pressure | -0.013 dB/kPa | [1] | |
| Influence by humidity (0 … 100%, non-condensing) | -0.01 … 0.01 dB/% RH | [3] | |
| influence by axial vibration (0.1 g, 1 m/s²) | 66 dB in relation to 20 µPa | [1] | |
| technical characteristics | |||
| polarization voltage | 0 V | [5] | |
| supply | 20 … 30 V DC | ||
| constant power supply | 2 … 20 mA | ||
| Bias voltage | 10 … 14 V DC | ||
| output impedance | < 50 Ω | ||
| Maximum output range | ±7 V pk | ||
| physical properties | |||
| parts usematerial | stainless alloy | ||
| pressurised | rear | [6] | |
| electrical connection | BNC-Plug | ||
| mounting thread (cap) | 0,5 - 60 UNS | ||
| Size - diameter (with cap) | 0.52 at | 13.2 mm | |
| Size - diameter (without protection cap) | 0.50 in | 12.7 | |
| size - height (with cap) | 3.50 in | 88.9 mm | |
| Size - height (without protection cap) | 3.46 in | 87.9 mm | |
| weight | 1.58 oz | 44.5 grams | [1] |
| notes | |||
| [1] | typically | ||
| [2] | peak | ||
| [3] | based on 250 Hz | ||
| [4] | TEDS memory in accordance with IEEE PP1451. 4 | ||
| [5] | Prepolarized | ||
| [6] | pressure compensation by the Pre | ||
| [7] | details: see PCB Declaration ofConformance PS064 | ||
| Accessories | |||
| ACS-42 | calibration of a microphone with pre-amplifier | -1 | |
| (TLD) provided TEDS store ß IEEE P1451. 4 | |||
| equipment | |||
| ACS-63 | calibration microphone with pre-amplifier | -1 |
PCB-378A13
