PCB Piezotronics 377C41, Installation And Operating Manual

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Model Number
377C41
PRECISION CONDENSER MICROPHONE
Revision: B
ECN #: 43881
Performance ENGLISH SI
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic(at 0° incidence) Free-Field Free-Field
Open Circuit Sensitivity(at 250 Hz) 44.5 mV/Pa 44.5 mV/Pa [2]
Open Circuit Sensitivity (± 1.2 dB)(at 250 Hz) -27 dB re 1 V/Pa -27 dB re 1 V/Pa [2]
Frequency Range(± 2 dB) 3.15 to 20,000 Hz 3.15 to 20,000 Hz
Lower Limiting Frequency(-3 dB) 1.0 to 2.4 Hz 1.0 to 2.4 Hz
Resonant Frequency(90° Phase Shift) 14,000 Hz 14,000 Hz [1]
Dynamic Range(3% Distortion Limit) >146 dB re 20 µPa >146 dB re 20 µPa
Dynamic Range (Cartridge Thermal Noise) <15 dB(A) re 20 µPa<15 dB(A) re 20 µPa [1]
Standards Designation(IEC 61094-4) WS2F WS2F
Environmental
Temperature Range(Operating) -40 to +302 °F -40 to +150 °C
Temperature Coefficient of Sensi14 to +122°F (-10 to +50°C)) 0.0033 dB/°F 0.006 dB/°C [1]
Static Pressure Coefficient -0.01 dB/kPa -0.01 dB/kPa [1]
Influence of Humidity(0 to 95%, non-condensing) -0.1 to 0.1 dB -0.1 to 0.1 dB
Influence of Axial Vibration(0.1g (1 m/s²)) 62 dB re 20 µPa 62 dB re 20 µPa [1]
Influence of Magnetic Field(60 Hz, 80 A/m) 0 dB re 20 µPa 0 dB re 20 µPa [1]
Long Term Stability(68°F (20°C)) >1000 years/dB >1000 years/dB
Electrical
Capacitance(Polarized) 15 pF 15 pF [1]
Polarization Voltage 200 V 200 V
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Equivalent Volume 0.0027 45 mm³ [1][2]
Size (Diameter x Height)(with grid) 0.52 in x 0.64 in 13.2 mm x 16.3 mm
Size (Diameter x Height) (without grid) 0.5 in x 0.61 in 12.7 mm x 15.5 mm
Weight 0.32 oz 9 gm [1]
All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.
ICP
®
is a registered trademark of PCB Group, Inc.
NOTES:
[1]Typical.
[2]re 250 Hz
SUPPLIED ACCESSORIES:
Model ACS-20 Calibration of Precision Condensor Microphones (1)
3425 Walden Avenue, Depew, NY 14043
Phone: 716-684-0001
Fax: 716-684-0987
E-Mail: info@pcb.com
OPTIONAL VERSIONS
Optional versions have identical specifications and accessories as listed for the standard
model except where noted below. More than one option may be used.
Entered: AP Engineer: MT Sales: MV Approved: MT Spec Number:
Date: 2/23/2015 Date: 2/23/2015 Date: 2/23/2015 Date: 2/23/2015 51121