377a07 microphone with 426e01 preamplifier and 079a43 adaptor teds programmed

ICP Infrasound Microphone System

Model 378A07

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  • CE
  • IP

377A07 microphone with 426E01 preamplifier and 079A43 adaptor TEDS programmed

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (±2dB)0.13 to 20000 Hz
  • Dynamic Range: 136 dB re 20 µPa

Specification Notes


[1] Typical.
[2] TEDS Capable Digital Memory and Communication, compliant with IEEE 1451.4
[3] re 250 Hz
[1] Typical.
[3] re 250 Hz
[4] Prepolarized
[1] Typical.
[5] See PCB Declaration of Conformance PS064 for details.

English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Sensitivity (±1.5 dB) -44.7 dB re 1 V/Pa -44.7 dB re 1 V/Pa [3]
Sensitivity 5.8 mV/Pa 5.8 mV/Pa [3]
Frequency Range (±2 dB) 0.13 to 20000 Hz 0.13 to 20000 Hz
Frequency Range (±1 dB) 0.25 to 10000 Hz 0.25 to 10000 Hz
Lower Limiting Frequency (3) <0.1 Hz <0.1 Hz
Inherent Noise 20 dB(A) re 20 µPa 20 dB(A) re 20 µPa [1]
Dynamic Range (3% Distortion Limit) 136 dB re 20 µPa 136 dB re 20 µPa [1]
TEDS Compliant Yes Yes [2]
Environmental
Temperature Range (Operating) -40 to +176 °F -40 to +80 °C
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) 0.005 dB/°F 0.009 dB/°C [1] [3]
Static Pressure Coefficient -0.01 dB/kPa -0.01 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)) 63 dB re 20 µPa 63 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 20 mA 2 to 20 mA
Output Bias Voltage 10 to 14 VDC 10 to 14 VDC
Maximum Output Voltage ±7 Vpk ±7 Vpk
Output Impedance <50 Ohm <50 Ohm
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
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) 4.29 in 109.0 mm
Size - Height (without grid) 4.25 in 108.0 mm
Weight 1.93 oz 54.8 gm [1]

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
079A43 Low frequency adaptor 1
ACS-63 Calibration for microphone/preamplifier with TEDS programming 1

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