Radar Level Gauge Note: The measurement range starts from the point at which the beam reaches the lower end of the tank, but in special cases if the tank is low-profile or tapered, measurement can not be performed when the level falls below this level. If the medium is low dielectric constant when it is at a low level, the tank is low visible at this time in order to ensure measurement accuracy, it is recommended that the zero set
At a low altitude of C position. It is possible to theoretically measure the position of the antenna tip, but considering the effects of corrosion and adhesion, the final value of the measurement range should be at least 100 mm from the tip of the antenna. For overflow protection, a safe distance can be defined as a blind spot. The minimum measurement range and the antenna. With the concentration is not
In the same way, bubbles absorb both microwaves and reflect them, but under certain conditions they can be measured. Note: The measurement range starts from the point at which the beam touches the can. However, if the can is low or concave in special cases, it can not be measured when the level falls below this level. If medium is low dielectric constant
When it is at a low level, the tank is low visible at this time in order to ensure measurement accuracy, it is recommended to set the zero at a low altitude C position. It is possible to theoretically measure the position of the antenna tip, but considering the effects of corrosion and adhesion, the final value of the measurement range should be at least 100 mm from the tip of the antenna. For overflow protection, it can be defined
A safety distance attached to the blind spot. The minimum measurement range and the antenna. Depending on the concentration, the foam absorbs the microwave and reflects it, but it can be measured under certain conditions.
Radar level gauge parameters: Name and model: Radar level gauge DECLD; Range: 60m; Accuracy: ± 5mm; Medium temperature: -30- + 150 ℃; Measurement of dead zone: the upper 250mm; Pressure range: -1- + 4.0MPa ; Supply voltage: 24VDC or 220V / 50Hz; Output signal: 4-20mA, HART protocol
Protection class: IP67; Explosion-proof grade: Intrinsically safe explosion-proof, flameproof (EExde IIB T6-T3); Connection flange: 1G or DN50-DN200; Measurable medium: liquefied petroleum gas, gas, light oil, water, And residual oil, edible oil level; particle and powder level; measurable oil and water interface.
Radar level gauge installation: Recommended distance from the wall to install the outer wall of the short tube; from the tank wall for the tank diameter 1/6, the minimum distance of 200mm; can not be installed above the feed inlet; if you can not keep the instrument and tank wall distance , The tank wall of the media will cause false echo adhesion, the instrument should be carried out in the false echo storage.
Radar level gauge solid and liquid medium, suitable for a variety of complex measurements, such as small dielectric constant medium, temperature, pressure changes, corrosive conditions, fly ash and other media, and volatile corrosive liquid medium.
Under the control of the microprocessor, the ultrasonic sensor transmits and receives the ultrasonic wave, and the distance s between the ultrasonic sensor and the measured object is calculated by the propagation time of the ultrasonic wave in the air. Because the speed c of the sound wave propagating in the air is constant, S is calculated from s = ct / 2, and since the distance H between the ultrasonic sensor and the bottom of the container is constant,
The analyte's (liquid) position h = Hs.
Ultrasonic (liquid) position instrument using XPS series of micro-energy ultrasonic transducer, it is a micro-energy, non-contact, continuous measurement of the level of the transducer. It has the following characteristics: a small launch power, weak energy, high sensitivity, small direction angle; complete transducer series can accurately complete non-contact continuous measurement in different environments; small blind spot, high precision,
And in the blind area can still guarantee the accuracy; transceiver integration, can accurately receive weak echo signals to ensure measurement accuracy and reliability; safe, reliable, moisture-proof, anti-corrosion, suitable for different occasions, weather and other factors ; At the same time, XPS series of ultrasonic transducer with the company's YELI patented acoustic wave technology and micro-energy, the number of
Word filtering technology to ensure a small blind spot, a large range, intrinsically safe, high precision and so on. The company can according to different needs of users, choose the appropriate sensor for a variety of occasions.
DEC-3000E Series Ultrasound (liquid) position meter is an intelligent non-contact material (liquid) level measuring instruments. Products with automatic power adjustment, gain control, temperature compensation, the use of advanced detection technology and computing technology to improve the measurement accuracy of instruments, the suppression of interfering echoes to ensure the true measurement results. Products can be widely used in various liquids
Body level and solid level measurement, can also be used for distance measurement.
TRS series of field transmitters, built-in YELI patented sonic intelligence, micro-energy technology, digital filtering technology, and temperature compensation technology, which effectively protect the 3000 (E) -type integrated ultrasonic level gauge accurate level measurement. YELI patented sonic intelligence technology software for intelligent echo analysis, without any debugging and other
Special steps, this technology has a dynamic thinking, dynamic analysis of the function. YELI's patented sonic intelligence technology avoids all types of sonic interference and automatically filters out multiple multiple echoes, false echoes, and industrial noise, even if the faint real echoes submerge in strong noise and contain container obstructions , Sidewall echo and multiple echo false echo conditions,
Sonic wave intelligence technology can also receive the echo signal directly to the real echo signal extracted. Thus ensuring the reliability of the measurement, the accuracy is also higher.
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