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技術文章

聲強傳感器用途

聲強傳感器/噪聲傳感器/陣列型傳聲器  型號：130E20

PERFORMANCE ENGLISH SI
Nominal Microphone Diameter 1/4"
1/4"
Frequency Response Characteristic(at 0° incidence) Free-Field
Free-Field
Frequency Response(± 2 dB) 20 to 10,000 Hz
20 to 10,000 Hz
Frequency Response(± 5 dB) 20 to 20,000 Hz
20 to 20,000 Hz
Phase Match(100 Hz to 5 kHz) ± 5 °
± 5 ° [2]
Sensitivity(@ 250 Hz) 45 mV/Pa
45 mV/Pa
Sensitivity(± 3 dB)(@ 250 Hz) -26.9 dB re 1 V/Pa
-26.9 dB re 1 V/Pa
Inherent Noise(1/3 Octave @ 250Hz) <15 dB
<15 dB
Inherent Noise(A Weighted) <30 dB
<30 dB
Dynamic Range(3% Distortion Limit) >122 dB
>122 dB
TEDS Compliant Yes
Yes [3]
ENVIRONMENTAL
Temperature Range(Operating) +14 to +122 °F
-10 to +50 °C
Temperature Effect on Output(-10 to +50 °C) <0.7 dB
<0.7 dB [1]
ELECTRICAL
Excitation Voltage 18 to 30 VDC
18 to 30 VDC
Constant Current Excitation 2 to 20 mA
2 to 20 mA
Output Bias Voltage 5.5 to 14 VDC
5.5 to 14 VDC
Output Impedance <150 ohm
<150 ohm
PHYSICAL
Housing Material Stainless Steel
Stainless Steel
Electrical Connector(Output) BNC Jack
BNC Jack
Size (Diameter x Length)(overall) 0.5 in x 2.61 in
12.7 mm x 66.2 mm
Size (Diameter x Length)(head) 0.28 in x 1.10 in
7 mm x 28 mm
Weight 0.66 oz
18.5 gm [1]
SUPPLIED ACCESSORIES:
Model ACS-21 Calibration of Array Microphone (1)
OPTIONAL VERSIONS
T- TEDS Capable of Digital Memory and Communication Compliant with IEEE P1451.4

All specifications are at room temperature unless otherwise specified.
NOTES:
[1] Typical.
[2] ± 3° from 100 Hz to 3 kHz typical
[3] TEDS Capable Digital Memory and Communication, compliant with IEEE 1451.4
[4] See PCB Declaration of Conformance PS023 for details.



[4]


130E20 Photo
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