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Item
Parameter
Remark
Resonant frequency
40±1.0kHz
　
Echo Sensitivity
�50mV
Simulation test circuit see Figure 1.
Decay Time
�.05ms
Directivity (X)
120±15°
Directivity test see Fig 2.
Directivity (Y)
60±10°
Electrostatic Capacitance
1800±15%pF
1kHz/25â„?
Input voltage
�40Vp-p
40kHz/ pulse width 0.5ms/ interval 20ms
Mean Time to Failure
50000h
　
Operating temperature
-35ï½?80â„?
　
Storage temperature
-35ï½?80â„?
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| Company: |
Changzhou Manorshi Electronics Co.Ltd.
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| Contact: |
Ms. Chunping Shi |
| Address: |
6-11#,Tian Run Garden, Changzhou, Jiangsu, China |
| Postcode: |
213101 |
| Tel: |
86-519-89185710 |
| Fax: |
86-519-89185720 |
| E-mail: |
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