Trumsense Ultrasonic Distance / Ranging / Liquid Level /Water Tank Height / Sand or Powder Material / Object or Obstacle Detecting Sensor Module
※What You Will Buy from This Link:
M30 Ultrasonic Distance / Liquid Level / Powder / Sand / Automation Production Control Sensor with:
● Model: TPT40F30TRTU300D
● Range: 200 to 3000 mm,adjustable
● Blind Zone: 0 to 200 mm
● Power Supply: DC 10 to 30V or DC 15 to 30V
● Output: 0 to 10V
● Thread Size: M30x1.5
● Cable Length: 2 meter
● Shell Material: ABS (other material like nickel-plated copper or Stainless steel is available with fresh price)
1: Basic Introduction of Ultrasonic Sensor:
What is ultrasonic ranging?
An ultrasonic detection technique that measures the time of ultrasonic waves traveling back and forth in a certain space in the medium and determines the measured spatial distance based on the speed of sound in the medium. Using this principle, various ultrasonic ranging devices can be made.Such as ultrasonic thickness gauge, ultrasonic sounder, ultrasonic liquid level gauge, ultrasonic material level gauge, and ultrasonic blind guide, etc.
The influence of temperature on ultrasonic waves in ranging and solutions：
The speed of sound depends on the composition of the transmitted gas, the size of the air pressure, the humidity of the air, and the temperature.For most ultrasonic applications, the gas composition and pressure are relatively fixed, while the temperature may be variable (for every 6°C change in the average temperature, the propagation speed of sound in the air changes by 1%).In air, the propagation speed of air is approximately equal to the following formula:
About Trumsense temperature compensation technic:
Temperature compensation can compensate for 80~90% of the error caused by the influence of temperature (if there is a temperature gradient in the measurement range, the compensation effect will be weakened).
The temperature compensation device located inside the sensor cannot adapt to changes in ambient temperature as quickly as the external temperature compensation device.When the temperature changes and fluctuations are relatively rapid, it is best to use an external temperature monitor to correct the distance measurement that the sensor fails to compensate in time to complete the accuracy requirements required for detection and control.When using temperature compensation, direct exposure to sunlight will affect the temperature compensation accuracy of the sensor due to changes in temperature.In addition, the temperature compensation function has a certain hysteresis, which is about 30 minutes.
The influence of air flow on the sensitivity and accuracy of the ultrasonic sensor:
When there is more than 5~10mls of air flow in the environment, it may affect the measurement sensitivity and accuracy of the sensor.
2: Parameter Table of Trumsense TPT40F30TRTU300D Ultrasonic Distance / Liquid Level / Powder Sensor:
We are the original factory, if the above parameters can not satisfy your specific needs, contact at any time, our technician team will offer you the proposal within 24 hours.
3: Wiring of Trumsense TPT40F30TRTU300D Ultrasonic Distance / Liquid Level / Powder Sensor :
★ Synchronization function:
In order to eliminate mutual interference between side-by-side installations or through-beam installations, Trumsense has designed a synchronization function and has corresponding counter-pins in the aviation plug, which can be installed by connecting the synchronization wires between adjacent sensors together to avoid interference. If you don't need this feature, leave the corresponding line blank.
4: Size of Trumsense TPT40F30TRTU300D Ultrasonic Distance / Liquid Level / Powder Sensor :
5: Setting of Trumsense TPT40F30TRTU300D Ultrasonic Distance / Liquid Level / Powder Sensor :
Setting of distance:
Step 1: Put a measured object where you want to set the distance.
Step 2: Connect the white wire (teach-in wire) to power supply - together. During this period, if the measured
object is captured, the red LED light will flash for 3 times.
Step 3: After this state of step 2 lasts for four to five seconds,the red LED light will flash for 3 times again. Now the
★ After the sensor is set, the function will be retained until the next adjustment.
★ If step 2 occurs, but step 3 not occurs, please aim the target again and do the setting again.
★ During its working, if the sensor does not need to be adjusted, wrap the teach-in wire (white) with insulating tape.
Note: The red light may flash separately during the setting process, indicating that the sensor has not accurately captured the measured object.The sensor needs to be moved slightly to align with the measured object.Until the yellow light flashes continuously.(This setting process must be completed within 3 minutes, otherwise the sensor will be locked.You need to disconnect the power supply to power it again, and then reset it.
6: Installation of Trumsense TPT40F30TRTU300D Ultrasonic Distance / Liquid Level / Powder Sensor :
a. The sensor is a precision instrument, please do not scratch the surface.
b.The housing material of this sensor is nickel-plated copper, please do not use it under strong acid and alkali conditions.
c. When the sensor is used, there should be no strong mechanical vibration, and there should be no strong electromagnetic interference in the working environment.The sensor shall not be disassembled privately. The company shall not be liable for all consequences caused by damage if it is disassembled privately.
d. The sensor cannot be used in the vacuum zone or explosion-proof zone, and all consequences shall be considered before that.
e. The final interpretation right is owned by Trumsense .If you have any questions, please feel free to contact us.
Since ultrasonic sensors are directional, it is important to pay attention to their installation position. It is recommended that the installation position is preferably perpendicular to the measured object, so that the measurement data will be relatively accurate. (Mounting fixing nut included)
7: Applications of Trumsense TPT40F30TRTU300D Ultrasonic Distance / Liquid Level / Powder Sensor :
Ultrasonic sensors produced by Trumsense are used for an extremely wide range of fields, primarily in theautomatic industry sector. For example, the sensors can detect whether the fill level of a tank is approaching a critical level or identify how an aerial work platform can be moved reliably on a large construction site. In general, some of them come from Trumsense's application summaries over the years in its supply to different users:
●Check the diameter
●Diameter inspection of foil extruders
●Liquid or Material or Powder Level control
●Small container filling detection
●Height and/ or width measurement
●Edge detection of flat objects
●Human detection for counting
●Robotic arm positioning
●Wire break detection
●Stack height control
●Packing packing control
●Volume flow detection
●Contouring or profiling using ultrasonic systems
●Roll diameter, tension control, winding and unwind
●Thru beam detection for high-speed counting
●Thread or wire break detection
●45° Deflection; inkwell level detection; hard to get at places
●Contouring or profiling using ultrasonic systems
●Vehicle detection for car wash and automotive assembly
●Irregular parts detection for hoppers and feeder bowls
●Box sorting using multi-transducer ultrasonic monitoring system
8 : Why You Should Purchase Trumsense Ultrasonic Sensor:
● OEM ODM factory
● 7x24 hours online proposal supplied
● 100% satisfied after-sales services
Shenzhen Trumsense Technology Co.,Ltd. is an ultrasound technology company integrating R&D, production and sales. Focusing on the R&D and production of ultrasonic material (liquid) level meters, liquid level difference meters, open channel flow meters, mud level meters, sensors, transducers and other products, it occupies nearly 45% of the ultrasonic liquid level and material level industry market.
Our company Mainly engaged in ultrasonic material (liquid) level meter series, pressure level / transmitter series, flowmeter series.
The main application fields of the product: sewage plant water works, mines, water conservancy, power plants, chemical plants, steel plants, printing machinery manufacturing plants, etc., liquid level measurement in various industrial fields, especially sewage treatment, acid and alkaline liquid measurement.
We are the original factory, if the above parameters can not satisfy your specific needs, contact at any time, our technician team will offer you the proposal within 24 hours.
9: Other Ultrasonic Detecting, Measuring,Monitoring Products from Trumsense:
●Ultrasonic level level meter or gauge: 1 to 30m range, 4 to 20mA, RS485, Anti-corrosion probe, small blind zone type, 0.3% high precision are optional:
●Ultrasonic open channel flow meter: 1 to 5m range, 4 to 20mA, RS485, extra NPN, extra relay, PTFE probe or 220V power supply, record function, with USB port, with mini-printer, with GPRS are all available for choose:
●Ultrasonic sludge interface instrument: for measuring liquid level+sludge thickness+liquid temperature at the same time,5 to 20m range, 4 to 20mA,RS485,extra relay,PTFE probe, 220V power supply are optional:
●Ultrasonic mud level meter: 5 to 20m range, 4 to 20mA, RS485, extra relay, PTFE probe, 220V power supply are optional:
●Ultrasonic Doppler flowmeter: for irrigation or open canal, 4 to 20mA, RS485 are optional:
●Ultrasonic level differential meter: 5 to 30m range, 4 to 20mA, RS485, extra NPN outputs are available, Explosion proof, Anti-corrosion probe are optional:
●High Frequency Pulse 26GHz Radar Level Meter:10m to 30 m range,4 to 20mA RS485,HART,stainless steel anthenna,PTFE anthenna are all optional
●Ultrasonic oil level gauge: for fuel tank liquid level monitoring, 3 m or 6 8 range, RS232, RS485, truck fuel tank bottom or top installation, GPRS are all optional:
●Ultrasonic wind speed and wind direction meter and weather station: RS485 Modbus, 4 to 20mA, 0 to 20mA, 0 to 2V, 0.4 to 2V output are available:
10: How to Choose A Correct Ultrasonic Sensor Correctly from Trumsense:
1: What's your measuring object?
2: Measurement range?
3: Power supply?
4: Signal output?
5: Installation method(on top or bottom of tank, over canal, submersible ? ... ...)
6: Is the material or liquid corrosive ?
7: Your real application is like?
11 : FAQ About Trumsense Ultrasonic Distance Sensor and Relative Ultrasound Detecting Products:
Q: How Ultrasonic Sensor Works?
A: Ultrasonic sensors can detect objects and measure the distance from the sensor, all without making physical contact. Depending on the sensor used, detection ranges from a few centimeters to ten meters are available. An ultrasonic pulse is emitted to calculate the distance between the sensor and the target objects. The echo reflected by the target object is received again by the sensor and converted into an electric signal by the piezoelectric transducer,which is known as the echo transit time procedure. The sensor measures the time interval between the emitted ultrasonic pulse and the received echo and calculates the distance to the object using the speed of sound.
Q: How Do Ultrasonic Sensors Collect Information?
A: The ultrasonic sensor emits a pulse that is reflected by an target object. The sensor receives the resulting echo and converts it into an electrical signal via a piezoelectric transducer,which is known as the echo transit time procedure. The time interval between the emitted ultrasonic pulse and the received echo will be measured and the distance to the object is calculated by using the speed of sound. Usually,at room temperature, the speed of sound in air is about 344 m/s.
Q: What Types of Materials Do Ultrasonic Sensors Can Detect?
A: Because of its working principle,ultrasonic sensors detect nearly any material, such as metal, wood, liquid,soil, power,and plastics, regardless of their shape, color, or surface structurse. The materials may be solid, liquid, or in powdered form—their surface simply if only are able to reflect the sound waves emitted by the sensor. With the exception of highly sound-absorbent substances (e.g., wadding), objects can be detected precisely without any problems.
Q: The factors influence the range of ultrasonic sensors are?
A: Uaually,the surface properties and the angle of attack of an object have an influence on the range of an ultrasonic sensor. The highest range is achieved by a flat surface (standard reflector), which is exactly at right angles to the sensor axis. For very small objects or the ones that partially “reflect” the sound away, the range will be reduced accordingly. For objects with a smooth surface, the 90° angle of incidence must be maintained as accurately as possible. If the object has a rough surface structure, the angle can deviate correspondingly further, more or less. Dust and high humidity also attenuate the sound waves in the air. However, since the ultrasonic sensors from Trumsense are equipped with large functional reserves, this circumstance hardly affects its range.
Q: Is the Overpressure Conditions Affect Ultrasonic Sensor Behaving ?
A: According to the exact common sense known,the speed of sound decreases by less than 1 % between sea level and 3000 m altitude. Atmospheric fluctuations at a specific location are also negligibly low and the effects on the speed of sound are scarcely measurable. But if an application involves overpressure of more than 100 Kpa compared to standard pressure, the speed of sound increases while air damping decreases. It means that ultrasonic sensors have an increased detection range in the case of overpressure, compared to standard pressure conditions. From overpressure of around 300 Kpa above standard pressure, parameter settings in the sensors must be changed, so that the increased detection range and lower air damping do not cause interference or measurement errors.
Safety Notice for Installation:
In installation situations with overpressure, it is very important to note that most standard ultrasonic sensors are not designed to be installed with just their front in the pressure range when the rest of the sensor is outside the pressure range, even special models from Trumsense are available for these installation situations. However, installing standard models completely in the overpressure area is not a problem. Only the information above regarding possible parameter adjustments at higher pressures must be considered ahead of time before purchasing or installation.
Q: Do Dust, Rain, or Most Affect the Measurement of Ultrasonic Sensor ?
A: In general , only a very high level of dust, heavy rain, or heavy snowfall can decrease the acoustic energy of the sensor, the size of the sound cone, or the detection range of the sensor. Besides,the intense thunderstorms with gale-force winds can cause unstable measurements or loss of signal. However, small deposits on the surface of the transducer, such as dust and dirt, do not affect the runtime measurement. Mist does not affect the quality of the measurement, too.
Q: Is the Ultraonic Sensor Need to Clean?
A: To some extent, it is easyand no need special attention to maintain it, the ultrasonic sensors can clean themselves through the vibrations of the ultrasonic transducer within it. Application-related deposits on the sensor can be removed with a soft cloth and water, if necessary. Thin film-like deposits—such as a thin layer of oil—usually do not affect how the sensor functions and do not necessarily need to be removed.
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