Gold Member Since 2016
Piezohannas Tech (Wuhan) Co., Limited

Ultrasonic Transducer, Ultrasonic Sensor, Distance Measurement manufacturer / supplier in China, offering Ultrasonic Open Type Sending and Receiving Transducer, Customized Ultrasonic Sensor High Focus Piezo Crystal, Piezo Ceramic Element Crystal Manufacturer and so on.

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Ultrasonic Open Type Sending and Receiving Transducer

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Min. Order: 1 Piece
Port: Wuhan, China
Production Capacity: 10000
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: Receiving Transducer
  • Output Signal Type: Analog Type
  • Sensitivity: High
  • Measuring Medium: Liquid
  • IP Rating: IP65
  • Customized: Customized
  • Transport Package: Customized Packing
  • Type: Large range Ultrasonic Sensor
  • Production Process: Ceramics
  • Probe Type: Angle Probe
  • Detection mode: Direct Reflection Type
  • Certification: CE
  • Trademark: PiezoHannas
  • Origin: China
Product Description
For this open type sending and receiving split module - DYP-ME007 V1.4, which could receive each most reliable data in the environment. The ultra small blind zone is suitable for different test conditions, and this module is specially developed for the program of UAV and robot, it is with high-performance and high-reliability commercial grade function.
Our company reserves the right to revise the document and update function, no notice!

1) Operating voltage: 5V;                                 
2) Current : less than 20mA;
3) PWM controlled output;
4) Open type sending and receiving ultrasonic tranducer;
5) Center frequency: 40KHz;
6) Working temperature: -15ºC to +60ºC;
7) Storage temperature: -25ºC to +80ºC;
8) Measurement accuracy: ±1cm+(S*0.5%)
(S is measured value)
9) Electrostatic protective design, the
enclosure of sensor and the I/O pin are added
the electrostatic protection device, up to the
standard of IEC61000-4-2;

1) Small blind zone;
2) Strong anti-interference;
3) Data output, stable and reliable;
4) Lower power dissipation;
5) Fast response time;
6) Strong antistatic;
7) Wide working temperature;
8) High measurement accuracy;
9) The controlled output method, could minimize power consumption according to the practical application;

1) Horizontal distance measuring;
2) Parking management system;
3) Robot obstacle avoidance;automatic control;
4) Detect the objects close to and the existence of external objects;

Ultrasonic sensor
Ultrasonic sensor module is with air as medium, non-contact target detection and distance measurement, detection object in an area. This sensor is not affected by color or other visual from the detected object. The ultrasonic sensor sends out high frequency sound waves in the environment of the detection, meanwhile receive the reflection of the ultrasonic echo from nearby objects, through processing the echo time the sensor outputs the corresponding data signal.
Distance measurement
   If you want to get a 100% reliable and stable distance value, you had to be sure the measured object is in the scope of the sensor's effective range. Most users found sensor is in the blind zone or outside the range also could be measured that was because of the physical characteristics of ultrasonic, aim at different measuring objects, we don't guarantee the accuracy of the measuring distance.

Basic parameter:
Parameters itemParameters valueUnitRemark
Input voltage5VDC
Working current20mA 
Blind zone distance3cm 
Flat object range2-450cm(1)
Output modePWM pulse width- 
Work cycle60ms 
Room temperature measurement precision±1+(S*0.5%)cm(1)
The center frequency of sensor40K±1.0KHz 
Detection of axial stability±2.5degree(3)
Working temperature­15~60degree centigrade 
Storage temperature­25~80degree centigrade 
Working humidity≤80%RH(4)
Storage humidity≤90%RH(4)

1) Above measured data are from the carton with 50cm * 60cm
2) The enclosure of sensor and the output pins are up to the standard of IEC61000-4-2
3) When the distance is in 1m, the measured data is from 75mm PVC circular tube;
4) a, when the environment temperature is in 0-39ºC, the maximum value of humidity is 90%(no condensation);
  b, when the environment temperature is in 40-50ºC, the maximum value of humidity is the high humidity in 
the natural world under current temperature(no condensation);

Output pin definition:
Pin numberPin namePin descriptionRemark
1GNDPower supply ground pin 
2EchoPWM output pin 
3TrigTrigger input pin     
4VCC5V power supply input pin(1)
 Output format of DYP-ME007 V 1.4-PWM
  1. Trigger instructions:
When the trigger pin "Trig" receives a high level trigger pulse, the falling edge will trigger module to work one time, and the output pin "Echo" will output one TTL level of PWM high level pulse width signal, the trigger cycle of module must be more than 60ms, if module did not detect object the output pin will output a fixed pulse width which is about 35MS;
  1. Sequence diagram:
Note: T1 = 0.1 ~ 10MS; T2 = 4 ~ 5MS; T3 = 1.3 ~ 35MS (the pulse width time of PWM high level )
3) Formula mode
Formula: S=T*V/2 (S is the distance value, T is the pulse width time of PWM high level, V is the sound travel through the air).
V is 344M/S this is at normal temperature, could be simplified formula as S = T/58 (the unit of S is cm and the unit of T is microsecond).
Such as when output PIN "TX" which time of high level pulse width T3 is 10000us and S = T/58 = 10000/58 172.4 (cm), which means the current distance value is 172.4cm;
Mechanical features:
The effective detection range
The measured object is a white cylindrical, which material is PVS, height is 100cm diameter is 75mm;

2) The measured object is a corrugated case, which is perpendicular to the 0°axle wire, length and width are 60cm * 50cm:

3) The measured object is a corrugated case, which is tangent to the arc, length and width are 60cm * 50cm:

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