Ultrasonic Ceramic Sensors (Ultrasonic Ceramic Transducers) U/H/S

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Ultrasonic Ceramic Sensors (Ultrasonic Ceramic Transducers) U/H/S

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Ultrasonic Ceramic Sensors
Ultrasonic Ceramic Sensors (Ultrasonic Ceramic Transducers)
U/H/S/Q
Ultrasonic Ceramic Sensor consisting disc type/a bimorph type piezoelectric ceramic vibrator sensor transmitting receiving ultrasonic wave air.
Features
High output S.P.L.: min. (Ex. EFRTUB40K5) High sensitivity: min. (Ex. EFRRUB40K5) Excellent temperature humidity durability Small size Applicable multi-function remote control system because wide bandwidth
Recommended Applications
Ultrasonic wave transmitter receiver for; Proximity switch burglar alarm system, parking meter automatic door opener Remote control equipment such conditioner garage door opener
Explanation Part Numbers
Design
Nominal Product Code Ultrasonic Ceramic Sensors Applications reception transmission Type Standard Type Compact Type Temperature Stable Type Enclosed Type Construction Element Bimorph Type Frequency
Design, Specifications subject change without notice.
factory technical specifications before purchase and/or use.
Whenever doubt about safety arises from this product, please inform immediately technical consultation without fail.
EF72
Ultrasonic Ceramic Sensors
Ratings Characteristics
Type Part Item Nominal Frequency Sensitivity Sound Pressure Level Bandwidth Application Maximum Input Voltage Operating Temperature Range (Vrms) Type Part Item Nominal Frequency Sensitivity Sound Pressure Level Bandwidth Application Maximum Input Voltage Operating Temperature Range (Vrms) Type Part Item Nominal Frequency Sensitivity Sound Pressure Level Bandwidth Application Maximum Input Voltage Operating Temperature Range
dB=1 V/Pa
factory technical specifications before purchase and/or use.
Standard Type EFRRUB40K5 40.0 min. min. Receiver EFRTUB40K5 40.0 min. min. Transmitter EFRRUB25K5 25.0 min. min. Receiver Compact Type EFRRHB40K5 40.0 min. min. Receiver Enclosed Type EFRRQB40K5 40.0 min. min. Receiver EFRTQB40K5 40.0 min. min. Transmitter EFRTHB40K5 40.0 min. min. Transmitter Temperature Stable Type EFRRSB40K5 40.0 min. min. Receiver EFRTSB40K5 40.0 min. min. Transmitter EFRTUB25K5 25.0 min. min. Transmitter
(kHz) (dB) (dB)
(kHz)
(kHz) (dB) (dB)
(kHz)
(kHz) (dB) (dB)
(kHz)
(Vrms)
Design, Specifications subject change without notice.
Whenever doubt about safety arises from this product, please inform immediately technical consultation without fail.
EF73
Ultrasonic Ceramic Sensors
Dimensions (not scale)
Type Standard Type
Type Compact Type
Type TemperatureStable Type
Type Enclosed Type
13.0
10.0
13.0
10.0
Screen
Screen
16.0
12.6
16.0
18.0 12.0
Amp.
12.0
12.0
21.0
21.0
15.6
10.0
10.0
Test Circuits Diagram
Test Circuit Diagram Receiver
feed back 30cm Osc. Rec. Amp. Silent Rec.
Test Circuit Diagram Transmitter
Amp. Osc.
Silent
Freq. Freq. Counter Counter
Amp. Osc. Rec.
Ultrasonic Ceramic Sensor Standard Condenser Microphone Amplifier Oscillator Recorder Tweeter
Brel Brel Brel Brel
4135 2606 1013 2305
Amp. Osc. Rec.
Ultrasonic Ceramic Sensor Standard Condenser Microphone Amplifier Oscilator Recorder Vrms.
Brel Brel Brel Brel
4135 2606 1013 2305
[Sensitivity] Output voltage specimen shall measured accordance with specified Test Circuit specified test conditions. output voltage shall expressed decibeles (dB), where V/Pa
[Sound Pressure Level] Maximum sound pressure level from specimen shall measured accordance with specified Test Circuit specified test conditions. output sound pressure shall expressed decibeles (dB), where
Design, Specifications subject change without notice.
factory technical specifications before purchase and/or use.
Whenever doubt about safety arises from this product, please inform immediately technical consultation without fail.
EF74
24.5
Ultrasonic Ceramic Sensors
Typical Characteristics
Frequency Characteristics (Sensitivity)
Type
Frequency Characteristics (Sound Pressure Level)
Type Sensitivity (dB) TypeS Output S.P.L. (dB) TypeQ TypeS
TypeQ
Frequency (kHz)
Frequency (kHz)
EFRRUB25K
Output S.P.L.(dB)
EFRTUB25K
Sensitivity (dB)
Frequency (kHz)
Frequency (kHz)
Directivity Type U/H/S
Type
Attenuation (dB)
Attenuation (dB)
Characteristic Change Load Resistance Type U/H/S
kHz)
Sensitivity (dB)
Type
Sensitivity (dB)
Frequency (kHz)
Frequency (kHz)
Design, Specifications subject change without notice.
factory technical specifications before purchase and/or use.
Whenever doubt about safety arises from this product, please inform immediately technical consultation without fail.
EF75
Ultrasonic Ceramic Sensors
Application Notes
Because Ultrasonic Sensors designed air, they used under water others liquid. Design Engineering Notes Application voltage voltage shall applied Ultrasonic Sensors because insulation resistance deteriorate. Maximum Input Voltage Ultrasonic Sensors shall operated beyond specified Input catalog specifications. Characteristics change owing load impedance Center frequency sensitivity change accordance with load impedance. Therefore, load characteristics chart shall taken into consideration designing circuit. Design Transmitting Circuits shall noted that impedance device (approximately) resonance frequency. Mounting Notes Installation recommended hold Ultrasonic Sensors means rubberV sheets cushions absorption mechanical stresses such shock vibration.
VExcept sulfurated rubber
Soldering Soldering lead terminals shall done position more apart from bottom plain devices. Bending force Terminals Abnormal bending force shall applied terminals Sensors, otherwise holding parts terminals easily broken, resulting failures damages devices. Directivity Please cafeful enough deciding facing position sensor because directivity. Storage Notes Environmental Conditions Ultrasonic Sensors shall operated and/or stored under following environmental conditions; exposed directly water salt water. Under conditions formation frost. Under conditions corrosive atomosphere such hydrogen sulfide, sulfurous acid, chlorine ammonia. Long Term Storage Ultrasonic Sensors shall stored under severe conditions high temperature high humidity. Store them indoors under max. max. them within year check solderbility before use.
Design, Specifications subject change without notice.
factory technical specifications before purchase and/or use.
Whenever doubt about safety arises from this product, please inform immediately technical consultation without fail.
EF76

Ultrasonic Ceramic Sensors (Ultrasonic Ceramic Transducers) U/H/S

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