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120dB Ultrasonic Type Level Transmitter Unmanned Helicopter Sensor 20Vrms

120dB Ultrasonic Type Level Transmitter Unmanned Helicopter Sensor 20Vrms

Brand Name : MANORSHI
Model Number : MS-A1640H12T
Certification : ISO, CE, ROHS
Place of Origin : Jiangsu China
MOQ : 500 PCS
Price : Negotiable
Payment Terms : L/C, T/T, Western Union, By Paypal
Supply Ability : 1000000PCS/MONTH
Delivery Time : 2-3 weeks
Packaging Details : Export Standard Package
Product Name : Ultrasonic Transmitter for Helicopter
House Material : Aluminum
Using Method : Transmitter
Construction : Open / Pins
Nominal Frequency : 40kHz for Helicopter
Measure Range : 0.2-18m for Helicopter
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120dB Ultrasonic Type Level Transmitter Unmanned Helicopter Sensor 20Vrms

Quick Detail:

1. Size:D16.2mm*H12.2mm


Center Frequency40.0±1.0KHz
Bandwidth(-6dB)2.0KHz (Tx)
Transmitting Sound Pressure Level
at 40.0KHz; 0dB re 0.0002µbar per 10Vrms at 30cm
120dB min.
Receving Sensitivity at 40.KHz 0dB=1 volt/µbar-61dB min.
Capacitance at 1KHz ± 20%2400pF
Max.Driving Voltage(cont.)20Vrms
Total Beam Angle -6dB55° typical
Operation Temperature-30 to 70 °C
Storage Temperature-40 to 80 °C

Drawing (mm)

With the deepening of the ultrasonic ranging technology research and ultrasonic dust proof, prevent mist, the unique advantages of non contact, and also have a certain ability to adapt in the bad environment, and the ultrasonic sensor has the advantages of simple structure, small volume, reliable signal processing etc., the application of ultrasonic distance measurement is becoming more and more popular, ultrasonic ranging technology has been widely used in machinery manufacturing, industrial control, electronics, metallurgy, Marine, the universe, petrochemical industry, reverse, etc.

Why to use sensors?

Over the last few years vehicle safety devices such as extra mirrors or camera monitor systems with wider viewing angles have become mandatory. However, despite an increase in all-round visibility, collisions with other vehicles, fixed objects, cyclists, workers and even pedestrians, remain high.

How does it work?

The Ultrasonic Sensor sends out a high-frequency sound pulse and then times how long it takes for the echo of the sound to reflect back. The sensor has 2 openings on its front. One opening transmits ultrasonic waves, (like a tiny speaker), the other receives them, (like a tiny microphone).

The speed of sound is approximately 341 meters (1100 feet) per second in air. The ultrasonic sensor uses this information along with the time difference between sending and receiving the sound pulse to determine the distance to an object. It uses the following mathematical equation:

How to calculate the time?

Time = the time between when an ultrasonic wave is transmitted and when it is received.You divide this number by 2 because the sound wave has to travel to the object and back.

Why/When to use Ultrasonic Sensors ?

1. Ideally suited to accurate, automatic distance measurement in normal and difficult environments

2. Particularly suitable for environments where optical sensors are unusable such as smoke, dust and similar.

3. Very accurate, stable and can be used over large ranges.

Ultrasonic sensors can measure the following parameters without contacting the medium to be measured:

· Distance

· Level

· Diameter

· Presence

· Position

Ultrasonic sensors make accurate measurements in many difficult environments and unusual materials. Measurements are unaffected by:

· Material

· Surface

· Light

· Dust

Mist and Vapor

Product Tags:

ultrasonic level transmitter


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