PCB-376C10
377C10, 0.25 inch microphone with a 426A07 short preamplifier, and system calibration with TEDS
- Nominal Microphone Diameter: 1/4"
- Frequency Response Characteristic: Pressure
- Frequency Range: (±2dB)5 to 70000 Hz (5 to 70000 Hz)
- Dynamic Range: 173 dB re 20 µPa
Specification Notes
[1] Typical.
[2] TEDS Capable Digital Memory and Communication, compliant with IEEE 1451.4
[3] re 250 Hz
[4] A-Weighted inherent noise is specified from 20 Hz - 20 kHz.
[1] Typical.
[3] re 250 Hz
[5] Prepolarized
[1] Typical.
[6] Venting through Preamp.
[7] See PCB Declaration of Conformance PS167 and PS076 for details.
| English: | SI: | ||
|---|---|---|---|
| Performance | |||
| Nominal Microphone Diameter | 1/4" | 1/4" | |
| Frequency Response Characteristic | Pressure | Pressure | |
| Sensitivity (±3 dB) | -60 dB re 1 V/Pa | -60 dB re 1 V/Pa | [3] |
| Sensitivity | 1.0 mV/Pa | 1.0 mV/Pa | [3] |
| Frequency Range (±2 dB) | 5 to 70000 Hz | 5 to 70000 Hz | |
| Lower Limiting Frequency (-3 dB) | 0.75 to 4.0 Hz | 0.75 to 4.0 Hz | |
| Inherent Noise | 50 dB(A) re 20 µPa | 50 dB(A) re 20 µPa | [1] [4] |
| Dynamic Range (3% Distortion Limit) | 173 dB re 20 µPa | 173 dB re 20 µPa | [1] |
| TEDS Compliant | Yes | Yes | [2] |
| Environmental | |||
| Temperature Range (Operating) | -40 to +158 °F | -40 to +70 °C | |
| Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) | 0.004 dB/°F | 0.007 dB/°C | [1] [3] |
| Static Pressure Coefficient | -0.003 dB/kPa | -0.003 dB/kPa | [1] [3] |
| Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) | ±0.0014 dB/%RH | ±0.0014 dB/%RH | [3] |
| Influence of Axial Vibration (0.1g (1 m/s²)) | 66 dB re 20 µPa | 66 dB re 20 µPa | [1] |
| Electrical | |||
| Polarization Voltage | 0 V | 0 V | [5] |
| Excitation Voltage | 20 to 32 VDC | 20 to 32 VDC | |
| Constant Current Excitation | 2 to 20 mA | 2 to 20 mA | |
| Output Bias Voltage | 10 to 14 VDC | 10 to 14 VDC | |
| Maximum Output Voltage | ±8 Vpk | ±8 Vpk | |
| Output Impedance | <50 Ohm | <50 Ohm | |
| Physical | |||
| Housing Material | Stainless Alloy | Stainless Alloy | |
| Venting | Rear | Rear | [6] |
| Electrical Connector | 10-32 Jack | 10-32 Jack | |
| Mounting Thread (Grid) | 0.25 - 60 UNS | 0.25 - 60 UNS | |
| Size - Diameter (with grid) | 0.28 in | 7.1 mm | |
| Size - Diameter (without grid) | 0.25 in | 6.35 | |
| Size - Height (with grid) | 1.51 in | 38.3 mm | |
| Size - Height (without grid) | 1.46 in | 37.1 mm | |
| Weight | 0.19 oz | 5.4 gm | [1] |
* All specifications are at room temperature unless otherwise specified.
Accessories
| Supplied | ||
| ACS-63 | Calibration for microphone/preamplifier with TEDS programming | 1 |
PCB-376C10
