PCB-378A07
basic data | |||
Nominal diameter of microphone | 1/2 " | ||
application | free-field | ||
Sensitivity in the open circuit | 5.8 mV / PA | [1] | |
sensitivity in the open circuit (±1. 5 dB) | -44.7 dB in relation to 1 V / PA | [1] | |
Frequency range (± 1 dB) | 0.25 … 10,000 Hz | ||
(±2 dB) frequency range | 0.13 … 20,000 Hz | ||
lower limiting frequency (-3 dB) | < 0,1 Hz | ||
Noise | 23 dB in relation to 20 µPa | [3] | |
noise | 20 dB(A) in relation to 20 µPa | [3] | |
range | > 134 dB in relation to 20 µPa | ||
TEDS Chip | integrated by default | [2] | |
conditions | |||
temperature range (operation) | -40 … 176 ° F | -40 … 80 ° C | |
Temperature coefficient of sensitivity | 0,005 dB/°F F | 0.009 dB / ° C | [1] [3] |
influence of static pressure | -0.01 dB/kPa | [1] [3] | |
Humidity coefficient of sensitivity | ± 0.001 dB/% RH | [1] | |
influence by axial vibration | 63 dB in relation to 20 µPa | [3] | |
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] | |
electric Connection | BNC socket | ||
Mounting thread (preamplifier) | 0,5 - 60 UNS | ||
size - diameter (with cap) | 0.52 in | 13.2 mm | |
Size - diameter | 0.50 in | 12.7 mm | |
Size - height (with cap) | 4.29 in | 109.0 mm | |
size - height (without protection cap) | 4.25 in | 108.0 mm | |
Mass | 1.63 oz | 45.8 grams | [3] |
indications | |||
[1] | based on 250 Hz | ||
[2] | TEDS memory in accordance with IEEE PP1451. 4 | ||
[3] | typically | ||
[4] | Prepolarized | ||
[5] | pressure compensation by the pre | ||
[6] | details: see PCB Declaration of Conformance PS064 | ||
equipment | |||
079A43 | low frequency adapter | -1 | |
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 Vorverstä stronger | -1 |