PCB-HT378C13
377C13 pressure microphone and HT426E01 high temp preamplifier system calibrated and TEDS programmed
- Nominal Microphone Diameter: 1/2"
- Frequency Response Characteristic: Pressure
- Frequency Range: (±2dB)3.5 to 20000 Hz
- Dynamic Range: 150 dB re 20 µPa
Specification Notes
[1] Typical.
[2] TEDS Capable Digital Communication, compliant with IEEE 1451.4
[3] re 250 Hz
[1] Typical.
[3] re 250 Hz
[4] Prepolarized
[1] Typical.
[5] Venting through Preamp.
[6] See PCB Declaration of Conformance PS065 and PS167 for details.
English: | SI: | ||
---|---|---|---|
Performance | |||
Nominal Microphone Diameter | 1/2" | 1/2" | |
Frequency Response Characteristic | Pressure | Pressure | |
Sensitivity (±2 dB) | -38 dB re 1 V/Pa | -38 dB re 1 V/Pa | [3] |
Sensitivity | 12.6 mV/Pa | 12.6 mV/Pa | [3] |
Frequency Range (±2 dB) | 3.5 to 20000 Hz | 3.5 to 20000 Hz | |
Frequency Range (±1 dB) | 6 to 12500 Hz | 6 to 12500 Hz | |
Lower Limiting Frequency (3) | 1.0 to 3.0 Hz | 1.0 to 3.0 Hz | |
Inherent Noise | 22.5 dB(A) re 20 µPa | 22.5 dB(A) re 20 µPa | [1] |
Dynamic Range (3% Distortion Limit) | 150 dB re 20 µPa | 150 dB re 20 µPa | [1] |
TEDS Compliant | Yes | Yes | [2] |
Environmental | |||
Temperature Range (Operating) | -40 to +248 °F | -40 to +120 °C | |
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) | 0.004 dB/°F | 0.008 dB/°C | [1] [3] |
Static Pressure Coefficient | -0.006 dB/kPa | -0.006 dB/kPa | [1] [3] |
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) | ±0.001 dB/%RH | ±0.001 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 | [4] |
Excitation Voltage | 20 to 30 VDC | 20 to 30 VDC | |
Constant Current Excitation | 2 to 10 mA | 2 to 10 mA | |
Output Bias Voltage | 10 to 14 VDC | 10 to 14 VDC | |
Maximum Output Voltage | ±7 Vpk | ±7 Vpk | |
Output Impedance | <55 Ohm | <55 Ohm | |
Physical | |||
Housing Material | Stainless Alloy | Stainless Alloy | |
Venting | Rear | Rear | [5] |
Electrical Connector | BNC Jack | BNC Jack | |
Mounting Thread (Grid) | 0.5 - 60 UNS | 0.5 - 60 UNS | |
Size - Diameter (with grid) | 0.52 in | 13.2 mm | |
Size - Diameter (without grid) | 0.50 in | 12.7 mm | |
Size - Height (with grid) | 3.74 in | 95.0 mm | |
Size - Height (without grid) | 3.72 in | 94.5 mm | |
Weight | 1.69 oz | 48.0 gm | [1] |
* All specifications are at room temperature unless otherwise specified.
Accessories
Supplied | ||
ACS-63 | Calibration for microphone/preamplifier with TEDS programming | 1 |