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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. TES: [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]