PCB-378C01
| basic data | |||
| Nominal diameter of microphone | 1/4 " | ||
| application | free-field | ||
| Sensitivity in the open circuit | 2.0 mV / PA | [3] | |
| sensitivity in the open circuit (±3. 0 dB) | -54 dB in relation to 1 V / PA | [3] | |
| Frequency range (± 1 dB) | 7 … 12,500 Hz | ||
| (±2 dB) frequency range | 5 … 80,000 Hz | ||
| frequency range (± 3 dB) | 4 … 100,000 Hz | ||
| Lower limiting frequency (3) | 0,75 … 4.0 Hz | ||
| noise (linear) | < 53 dB in relation to 20 µPa | [5] | |
| Inherent noise | < 45 dB(A) in relation to 20 µPa | [6] | |
| dynamic range (for THD ≤ 3%) | > 162 dB in relation to 20 µPa | ||
| dynamic range (maximum without clipping) | 165 dB in relation to 20 µPa | [1] [2] | |
| TEDS Chip | by defaultintegrated | [4] | |
| 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 | [1] [3] |
| influence of static pressure | -0.005 dB/kPa | [1] | |
| Influence by humidity (0 … 100%, non-condensing) | -0.0014 … 0,0014 dB/% RH | -0.0014 … 0.0014 dB/% RH | |
| influence by axial vibration (0.1 g, 1 m/s²) | 60 dB in relation to 20 µPa | [1] | |
| technical characteristics | |||
| polarization voltage | 0 V | [7] | |
| power supply | 20 … 32 V DC | ||
| constant power supply | 2 … 20 mA | ||
| Output impedance | < 50 Ω | ||
| maximum output range | ±8 V pk | ||
| physical properties | |||
| housing material | Stainless steel alloy | ||
| Pressure | back | [8] | |
| electrical connection | 10-32 socket | ||
| Mounting thread (cap) | 0.25-60 UNS | ||
| size - diameter (with cap) | 0.28 in | 7.1 mm | |
| size -. Diameter (without protection cap) | 0.25 | 6.35 | |
| size - height (with cap) | 2.07 in | 52.6 mm | |
| size - Hö He (without protection cap) | 2.02 in | 51.3 mm | |
| mass | 0.27 oz | 7.8 grams | [1] |
| notes | |||
| [1] | typically | ||
| [2] | peak | ||
| [3] | based on 250 Hz | ||
| [4] | TEDS memory in accordance with IEEE PP1451. 4 | ||
| [5] | the linear noise is about the breadth of the usage (20 … 100,000 Hz). | ||
| [6] | is the A weighted noise20 … 20,000 Hz. | ||
| [7] | Prepolarized | ||
| [8] | pressure compensation by the pre | ||
| [9] | Details: see PCBs 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 of a microphone with pre-amplifier | -1 |
PCB-378C01
