PCB-378A06
basic data | |||
Nominal diameter of microphone | 1/2 " | ||
application | free-field | ||
Sensitivity | 12.6 mV / PA | [3] | |
(±2 dB) sensitivity | -38 dB in relation to 1 V / PA | [3] | |
frequency range (± 1 dB) | 5 … 16,000 Hz | ||
(±2 dB) frequency range | 3.15 … 31,500 Hz | ||
frequency range (± 3 dB) | 3.15 … 40,000 Hz | ||
Lower limiting frequency (3 dB) | 1.0 … 2.4 Hz | ||
noise | 24 dB in relation to 20 µPa | ||
Noise | 21 dB(A) in relation to 20 µPa | [2] | |
range | > 146 dB in relation to 20 µPa | ||
TEDS Chip | By default integrated | [1] | |
conditions | |||
temperature range (operation) | -40 … 176 ° F | -40 … 80 ° C | |
Temperature coefficient of sensitivity | 0.003 dB / ° F | 0.006 dB / ° C | [3] [2] |
influence of static pressure | -0.007 dB/kPa | [3] [2] | |
Humidity coefficient of sensitivity | 0.002 dB/% RH | [3] [2] | |
influence by axial vibration | 66 dB in relation to 20 µPa | [2] | |
Technical characteristics | |||
polarization voltage | 0 V | [4] | |
supply | 20 … 30 V DC | ||
Constant power supply | 2 … 20 mA | ||
Bias voltage | 10 … 14 V DC | ||
Maximum output range | ±7 V pk | ||
output impedance | < 50 Ω | ||
Physical properties | |||
housing material | stainless steel alloy | ||
pressure | back | [5] | |
Electrical connection | BNC connector | ||
Mounting thread (preamplifier) | 0,5 - 60 UNS | ||
size - diameter (with cap) | 0.52 in | 13.2 mm | |
Size - diameter | 0.50 in | 12.7 | |
size - height (with cap) | 3,47 in | 88.3 mm | |
Size - height (without protection cap) | 3.46 in | 87.8 mm | |
mass | 1.59 oz | 45 grams | [2] |
notes | |||
[1] | TEDS memory in accordance with IEEE PP1451. 4 | ||
[2] | typically | ||
[3] | based on 250 Hz | ||
[4] | Prepolarized | ||
[5] | pressure compensation by the pre | ||
Accessories | |||
ACS-42 | calibration of a microphone with pre-amplifier | -1 | |
(TLD) TEDS memory in accordance with IEEE P1451. 4 | |||
Accessories | |||
ACS-63 | calibration microphone with pre-amplifier | -1 |