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Optional Short Range Ultrasonic Distance Transducer for 0.5m Distance Measurement

Function: integrated type
Range: 0.05~0.5m, 0.1~1m, 0.2~3m, 0.3~5m, 0.4~6m
Resolution: 3mm or 0.1%
Response time: < 200ms
Display: LED
Launch angle: 20°
Analog output: 4~20mA/500Ω load

Quantity:
  • PHRAN-0500
  • Piezohannas
  • PHRAN-0500

      


1.Product Introduction
      Detecting non-contact and wear-free object by using an acoustic wave medium. Ultrasonic sensors can detect them ,including transparent and colored objects, metallic or non-metallic objects and solid, liquid or powdered materials. which won't affect the detection performance of the ultrasonic sensor even if it has smoke, dust, or rain .

 

2.Principle of Ultrasonic Distance Transducer
       The ultrasonic pulse emitted by the ultrasonic transducer is transmitted to the measure medium through the propagation medium, and then returned to the receiving transducer through the sound bearing medium, Detecting the transmitting time of ultrasonic pulse from the transmitting to the receiving in the sound bearing medium. According to the speed of sound in the sound bearing medium, the distance from the transducer to the medium surface can be calculated. Thereby determining the liquid level. So we can calculate the distance from the probe to the reflecting surface D = C*t/2 (D is the distance, C is the speed of sound, and t is the time).

    

3.Product Features:

High resolution
Short response time
Nixie tube display measuring distance
Setting parameters via RS232/485
A variety of output modes: switching value, analog quantity, RS232/485



4.Technical parameters:


Function

Integration Type

 

Detection Range

0.1~0.5m

0.15~1m

0.3~3m

0.3~3m

0.4~5m

0.5~6m

Frequency

200Khz

100Khz

65Khz

65Khz

50Khz

50Khz

Response time

< 200ms

 

Resolution

3mm or 0.1%

Display

LED

 

Launch angle

20°

 

Analog output

 

420mA/500Ω load

Switching output

electric relay DC 30V/ 5A PNP/NPNoptional

RS232/485 MODBUS

protocol or custom protocol (optional)

Power supply standard

24V±15%120mA

 

Environment temperature

-20+60

Protection class

IP65 ; customized IP67

Mounting size

 M56*2 thread, fixed with two nuts


5.Installation Dimension:


(1)


optional short range ultrasonic distance transducer for 0.5m distance measurement


(2)



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①Install a flange above the object need to be tested     ②Place a gasket with the same inner diameter on the flange


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③Distance measuring sensor aligns hole of the flange     ④Put the distance sensor in the hole of flange


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⑤See from the bottom of the flange                             ⑥Place a gasket with the same inner diameter on the flange


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⑦Fix the distance measuring sensor by Screwing on the nut   ⑧Connect up the cable on the ranging sensor


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(4) mode of connection:


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Power: Red line: 24VDC + ; black line: 24VDC –

1. 4~20mA: Blue line: mA +; yellow line: mA–

2. 0~5V: Blue line: V +; yellow line: V–

3. 485/232 Communication: Yellow line: T/R+ ; Blue line: T/R–

4. Relay signal: blue line, yellow line

5. NPN signal: Blue line: NPN+ ; Yellow line: NPN -

6. PNP signal: Blue line: PNP+ ; Yellow line: PNP-


Remarks:

1. Output signal is selectable one of them (1~6) ;

2. The black wire should be grounded reliably;

3. When the ranging transducer is a mA module, the yellow line (mA-) can also be grounded.


6. Signal Description:

 

When the power is turned on at first, the power indicator "green light" is always on. When is searching the echo signal, the status indicator "red light" flashes. When is searching the correct echo, the status indicator "red light" remains on. When is measured normally, the Nixie tube displays the actual measurement value; when it is the lost state, the Nixie tube displays "- - -".



7. Serial Assistant to Modify Parameters:

 

Note: This is only applies to ranging sensors with 485 or 232 communication modules.

 

Serial port connection:




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As shown in Figure A: the serial port is connected to the serial port of the computer,  the other end is connected to the RS-232 end of 485 to 232.;

 

Cable connection:


Figure B: Red line is connected to 24V+; black is connected to 24V-; yellow line is connected to 485 T/R+; blue line is connected to 485T/R-;

 

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As shown in Figure C:

 

Serial port selection: COM1;

Baud rate selection: 9600;

Check bit selection: NONE

Data bit selection: 8

Stop bit selection: 1

Selecting hexadecimal display and hexadecimal transmission


8.LCD screen manipulation menu  (Note: The LCD screen is an optional accessory)


Installation of  LCD screen:

 

①Unscrew the screw with a cross screwdriver      ②Connect the LCD interface (red side is inward)

 

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③Connect the cable                                                ④Display of Power- On


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Piezo Hannas (WuHan) Tech Co,.Ltd  is a professional piezoelectric ceramics and ultrasonic transducer manufacturer, dedicated to ultrasonic technology and industrial applications.                                    
 

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