Datasheet

[Type here]
Copyright © 2004 SensComp, Inc. 1 Rev 2014-7-17
For more information, visit www.senscomp.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. SEE
DISCLAIMER NOTICE AT THE END OF THIS DOCUMENT.
SensComp, Inc.
36704 Commerce Rd.
Livonia, MI 48150 USA
Telephone: [phone]
Fax: [phone]
www.senscomp.com
SensComp's ‘L’ Series Open Face Piezoelectric Ultrasonic Sensors – 40LT12 and 40LR12
Features:
Open Face Construction
Increased Sensitivity
Reduced Ringing Characteristics,
Specifically Intended for Operation in Air at Ultrasonic
Frequencies
*PID# 621125LF – L Series 40LT12
*PID# 621124LF – L Series 40LR12
*RoHS Compliant
40LT12 ..................................................... Transmitter
40LR12 .................................................... Receiver
Center Frequency ................................... 40.0 ± 1.0 kHz
Bandwidth (-6 dB) 40LT12 ..................... 2.0 kHz
40LR12 .................... 2.0 kHz
Transmitting Sound Pressure Level ..... 115 dB min
at 40.0 kHz; 0dB re 0.0002 μbar
Per 10 Vrms at 30 cm
Receiving Sensitivity ............................. -67 dB min
at 40.0 kHz; 0dB = 1 volt/ μbar
Capacitance at 1 kHz ± 20% ................... 2400 pf
Maximum Driving Voltage (cont.) .......... 20 Vrms
Total Beam Angle (-6 dB) ...................... 85° typical
Operating Temperature ......................... -30° to 80° C
Storage Temperature ............................. -40° to 85° C
all specifications taken typical at 25° C
Dimensions: dimensions are in mm
Features
Part No.
Specifications
L Series 40LT12 and 40LR12
Specifications
Beam Angle: Tested at 40.0 kHz