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ULTRASONIC WAVES EXPERIMENT SYSTEM

SKU: ULTRASONIC WAVES EXPERIMENT SYSTEM

ULTRASONIC WAVES EXPERIMENT SYSTEM

Ultrasonic waves experiment system of reflexion

Objects

Demonstrating the principle of an echo sounder. Determining the velocity of sound in air from the transit time of a sound pulse and the distance to the reflecting object. Determining distance by measuring the transit time of the sound pulse.

 

Principles

Ultrasonic waves are reflected at the boundary surfaces between media with differing resistances to sound waves. An echo sounder (or sonar) device emits pulsed ultrasonic signals and measures the time in which a signal is reflected  from such a boundary surface to the receiver. To simplify the configuration, the transmitter and receiver are in the same location

 

The time between transmission and reception can be used to determine  the distance  to the reflecting object (if the  velocity of sound is known), or to determine the velocity of sound over a known distance. This method is commonly used e.g. to determine water depths at sea.

In the experiment, the echo-sounder principle is used to determine the velocity of sound in air, and to determine distances.

Two ultrasonic transducers serve as the transmitter and receiver, depending on their connection.

A piezoelectric body converts electrical to mechanical energy.   When the AC voltage is applied to the piezoelectric body, the transducer configured as a transmitter supplies a sufficiently high sound amplitude at a resonance frequencies (approx. 40 kHz). Conversely, sound waves generate mechanical oscillations in the transducer when configured as a receiver. The amplitude of the resulting piezoelectric AC voltage is proportional to the sonic amplitude.  

 

F16-04 Generator 40kHz

With continuance and spacing square wave generator for operating source, for ultrasonic transducer 40 kHz (P416000) as an emitter.  inner and external frequency counter.

 F16-04 Generator 40kHz

Technical Data

Generator Frequency range

40kHz, can be set from 35kHz to 50 kHz

Pulse operation

Pulse duration approx. 0.2ms

Pulse spacing approx. 80ms

Transducer output voltage:

> 18 Vpp

Trigger output voltage:

> 9 Vpp

Counter  Frequency  range:

1KHz   ̴ 50MHz

Sensitivity:

 100mV

Max. input voltage:

20V

Connection sockets:

4mm dia.

Dimensions:

19cm x 13.5cm x 7cm

 

 

 P416000 Ultrasonic transducer 40 kHz

 

Features

Piezoelectric air ultrasonic transducer for experiments in the  areas of geometric and wave-mechanical  acoustics. The transducer is used as transmitter and receiver. In housing, on stand rod, with coax. connection cable.

 P416000 Ultrasonic transducer 40 kHz

Technical Data

Resonance frequency:

40 khz

Bandwidth:

Approx. 6kHz

Capacitance:

2000 pF

Connection:

1m coax. cable with 4mm sockets

Housing:

48mm x 27mm dia.

Stand rod:

20cm x 10mm dia.

 

 

F16-015 AC-amplifier

 

Features

Sensitive amplifier with microphone input for verifying ultrasonic waves in conjunction with an ultrasonic transducer (P4160000) as a receiver, and sound amplification.

F16-015 AC-amplifier

Technical Data

Gain:

10x to 1000x, continuously adjustable

Frequency range:

10kHz (100Hz microphone input) to 50kHz

Outputs:

Signal, trigger and level, short-circuit proof

Max. DC level output:

 4V

Connection sockets:

19cm x 13.5 cm x 7 cm

Weight:

0.5Kg

011 805 5030 / 086 138 6548 - Phone orders
Monday-Friday, 08:00-17:00

 


Product details


Category: ULTRASONIC WAVES EXPERIMENT SYSTEM

Brand: Citek

Product code (SKU): ULTRASONIC WAVES EXPERIMENT SYSTEM



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