PCB-378A06

Temperature coefficient

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