| 收發共體防水型超音波換能器 | 400EP18A |
| Acoustic Performance |
| Impedance/Phase Angle vs. Frequency: Tested under 1Vrms Oscillation Level | ||||
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| Sensitivity/Sound Pressure Level: Tested under 10Vrms @30cm | ||||
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| Beam Angle: Tested at 40.0KHz | ||||
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| Echo Sensitivity vs Frequency Tested under 20Vp-p, 20 bursts, 50cm, 20*20 cm Reflected Target | ||||
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| Echo Sensitivity / Ringing Tested under 20Vp-p, 20 bursts, 50cm, 40KHz | ||||
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| Sensitivity vs. Driving Burst Number Driving voltage 20Vp-p sine wave, Reflection target distance: 50cm @40KHz | ||||
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| Bandwidth vs. Driving Burst Number Driving voltage 20Vp-p sine wave, Reflection target distance: 50cm | ||||
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| SPL Variation vs. Driving Voltage Tested under 40KHz , 30cm | ||||
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| Center Frequency Shift vs. Driving Voltage Tested under 30cm | ||||
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