Technical terms, Features, Applications – BeStar BPU1840IFAH12 User Manual
Page 2

BPU1840IFAH12
BESTAR ELECTRONICS INDUSTRY CO.,LTD
Back sonar of automobiles, Parking meters, Water level meters
2.1) Water proof and dual use
2.2) Compact and light weight.
2.3) High sensitivity and sound pressure.
2.4) Less power consumption.
2.5) High reliability
Item Unit Specification
Construction Water Proof
Using Method Dual Use
Center Frequency Hz 40
±1KHz
Sensitive dB ≥-75dB/V/μbar
Pressure Level dB ≥97(30cm/10Vrms)
Directivity
° 80deg
Capacitance pF 2000
±25% at1KHz
Operating Tem.Range ℃ -30 to 85
Storage Tem.Range ℃ -30 to 85
Allowable Input Voltage Vp-p 160Vp-p
Housing Material Aluminum
Red dot Anode
07.09.25
Date
05.08.20
6
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2.Features
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1.Applications
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DRG NO: BS/TEU01.334 C
4
Date:
Drawn by:
Checked by:
Approved by:
Note
3
倪雪晴
2011.07.12
李红元
邹皓轩
Page:02 of 10
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BPU1840IFAH12
Ultrasonic Sensor
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Acous tics & Sensor
2011.07.12
C
倪雪晴