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詳細參數(shù)如下:英文版需要的可自行翻譯 PCB-378C10技術參數(shù)及選型數(shù)據
PCB-378C10 1/4 "-ICP precision microphone for pressure applications,
As system calibrated
basic data | |||
Nominal diameter of microphone | 1/4 " | ||
application | pressure 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] | |
Frequency range (±2 dB) | 5.0 … 70,000 Hz | ||
Lower limiting frequency | 0,75 … 4.0 Hz | ||
noise (linear) | < 60 dB in relation to 20 µPa | [4] | |
Noise | < 53 dB(A) in relation to 20 µPa | [5] | |
dynamic range (for THD ≤ 3%) | > 174 dB in relation to 20 µPa | ||
Dynamic range (maximum without clipping) | > 177 dB in relation to 20 µPa | [1] | |
TEDS Chip | integrated by default | [3] | |
Conditions of use | |||
Temperature range (operation) | -40 … 158 °F | -40 … 70 °C | |
Temperature coefficient of sensitivity (-10 … 70 ° C) | 0.003 dB / ° F | 0.006 dB / ° C | [6] [2] |
Influence of static pressure | -0.003 dB/kPa | [6] [6] | |
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 | [6] | |
technical characteristics | |||
polarization voltage | 0 V | [7] | |
Supply | 20 … 32 V DC | ||
constant power supply | 2 … 20 mA | ||
Bias voltage | 10 … 14 V DC | ||
output impedance | < 50 Ω | ||
Maximum output range | ±8 V pk | ||
physical properties | |||
housing material | stainless steel alloy | ||
Pressure | back | [8] | |
electricPort | 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 in | 6.35 | |
size - 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 | [6] |
Notes | |||
[1] | peak | ||
[2] | based on 250 Hz | ||
[3] | TEDS memory in accordance with IEEE PP1451. 4 | ||
[4] | the linear Noise is about the breadth of the usage (20 … 70,000 Hz). | ||
[5] | is the A weighted noise 20 … 20,000 Hz. | ||
[6] | typically | ||
[7] | Prepolarized | ||
[8] | pressure compensation by the pre | ||
[9] | details: see PCB Declaration of conformance PS076 | ||
Accessories | |||
ACS-42 | calibration of a microphone with pre-amplifier | -1 | |
(TLD) provided TEDS store ? IEEE P1451. 4 | |||
equipment | |||
ACS-63 | calibration microphone with pre-amplifier | -1 |