Datasheet

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DISCLAIMER NOTICE AT THE END OF THIS DOCUMENT.

SensComp, Inc.

36704 Commerce Rd.

Livonia, MI 48150 USA

Telephone: (734) 953-4783

Fax: (734) 953-4518

www.senscomp.com

SensComp's ‘L’ Series Open Face Piezoelectric Ultrasonic Sensors – 40LT16 and 40LR16

Features:

Open Face Construction

Increased Sensitivity

Reduced Ringing Characteristics,

Specifically Intended for Operation in Air at Ultrasonic

Frequencies

*PID# 621126LF – 40LT16

*PID# 621128LF – 40LR16

*RoHS Compliant

40LT16 ..................................................... Transmitter

40LR16 .................................................... Receiver

Center Frequency ................................... 40.0 ± 1.0 kHz

Bandwidth (-6 dB) 40LT16 ..................... 2.0 kHz

40LR16 .................... 2.5 kHz

Transmitting Sound Pressure Level ..... 120 dB min

at 40.0 kHz; 0dB re 0.0002 μbar

Per 10 Vrms at 30 cm

Receiving Sensitivity ............................. -65 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) ....................... 55° 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 40LT16 and 40LR16

Specifications

Beam Angle: Tested at 40.0 kHz

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SensComp, Inc. 36704 Commerce Rd. Livonia, MI 48150 USA Telephone: (734) 953-4783 Fax: (734) 953-4518 www.senscomp.com L Series 40LT16 and 40LR16 SensComp's ‘L’ Series Open Face Piezoelectric Ultrasonic Sensors – 40LT16 and 40LR16 Features: Features Specifications Open Face Construction Increased Sensitivity Reduced Ringing Characteristics, Specifically Intended for Operation in Air at Ultrasonic Frequencies Part No.
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L Series 40LT16 and 40LR16 40LR16 40LR16 40LT16 40LT16 Impedance Phase Impedance Phase Impedance/Phase Angle vs. Frequency Tested under 1 Vrms Oscillation Level Sensitivity/Sound Pressure Level Tested under 10 Vrms @ 30 cm 40LR16 Receiver 40LT16 Transmitter Sensitivity Variation vs. Loaded Resistor SPL Variation vs. Driving Voltage Center Frequency Shift vs. Loaded Resistor Center Frequency Shift vs. Driving Voltage SPL Variation vs. Temperature Sensitivity Variation vs.
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SENSCOMP PRODUCT SPECIFICATION SHEET DISCLAIMER NOTICE SensComp, Inc. (“SensComp”) reserves the right to make corrections, enhancements, improvements and other changes to its products, specification sheets and data, and to discontinue any product, without further notice. Buyer should obtain the latest relevant information before placing an order and should verify that such information is current and complete.