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Model NumberEX378B02
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Price:€ 1.550,00 USD
Performance
Nominal Microphone Diameter1/2"
Frequency Response Characteristic (at 0° incidence)Free-Field
Sensitivity (±1.5dB)-26 dB re 1 V/Pa
Sensitivity50 mV/Pa
Frequency Range (±2dB)3.75 to 20000 Hz
Frequency Range (±1dB)7 to 10000 Hz
Lower Limiting Frequency1.0 to 3.0 Hz
Inherent Noise15.5 dB(A) re 20 µPa
Dynamic Range (3% Distortion Limit)137 dB re 20 µPa
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
Static Pressure Coefficient-0.013 dB/kPa
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing)±0.001 dB/%RH
Influence of Axial Vibration (0.1g (1 m/s²))63 dB re 20 µPa
Electrical
Polarization Voltage0 V
Excitation Voltage20 to 30 VDC
Constant Current Excitation2 to 20 mA
Output Bias Voltage10 to 14 VDC
Maximum Output Voltage±7 Vpk
Output Impedance<50 Ohm
Physical
Housing MaterialStainless Alloy
VentingRear
Electrical ConnectorBNC Jack
Mounting Thread (Grid)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)
4.02 in
102.1 mm
Size - Height (without grid)
3.99 in
101.2 mm
Weight
1.87 oz
53 gm