Main performance and technical parameters of US UE pressure transmitter

Details of the main performance and technical parameters of the US UE pressure transmitter are as follows:

Main performance of US UE pressure transmitter

1. The tested medium is widely used, which can measure oil, water and paste compatible with 316 stainless steel and 304 stainless steel, and has certain anti-corrosion ability;

2, high accuracy, high stability, imported original sensors, good linearity and high temperature stability;

3. Small size, light weight and convenient installation, debugging and use;

4, stainless steel fully enclosed shell, good waterproof;

5. The pressure sensor directly senses the measured liquid level pressure, which is not affected by foaming and deposition of the medium.

Main advantages of American UE pressure transmitter

1. American UE pressure transmitter has the characteristics of reliable operation and stable performance.

2, special V/I integrated circuit, few peripheral devices, high reliability, simple and easy maintenance, small size, light weight, and extremely convenient installation and debugging;

3, aluminum alloy die-casting shell, three-end isolation, electrostatic spray protective layer, durable;

4, 4-20mA DC two-wire signal transmission, strong anti-interference ability and long transmission distance;

5, LED, LCD, pointer three indicator meter, on-site reading is very convenient. Can be used to measure viscous, crystalline and corrosive media;

6. High accuracy and stability. In addition to the imported original sensor has been corrected by laser, the comprehensive temperature drift and nonlinearity of the whole machine in the use temperature range are finely compensated.

Selection rules of UE pressure transmitter in America

1. Depending on the type of pressure to be measured

Pressure types mainly include gauge pressure, absolute pressure and differential pressure. Gauge pressure refers to the pressure less than or greater than atmospheric pressure based on the atmosphere; Absolute pressure refers to the absolute pressure zero as the benchmark, higher than the absolute pressure; Differential pressure refers to the difference between two pressures.

2. According to the measured pressure range

In general, 80% of the measuring range is selected according to the actual measured pressure.

Consider the zui pressure of the system. Generally speaking, the pressure range zui of UE pressure transmitter in the United States should reach 1.5 times of the system zui. Some water pressure and process control have pressure spikes or continuous pulses. These spikes may reach 5 times or even 10 times of the "zui big" pressure, which may cause damage to the transmitter. Continuous high-voltage pulse, close to or exceeding the zui rated pressure of the transmitter, will shorten the practical life of the transmitter. But increasing the rated pressure of the transmitter will sacrifice the resolution of the transmitter. Buffers can be used in the system to reduce spikes, which will slow down the response speed of the sensor.

The UE pressure transmitter in the United States is generally designed to withstand the high pressure of zui in 200 million cycles without degrading performance. When selecting transmitter, a compromise solution can be found between system performance and transmitter life.

3. According to the measured medium

According to the different measuring media, it can be divided into dry gas, gas liquid, strong corrosive liquid, viscous liquid, high temperature gas liquid, etc. Correct selection according to different media is conducive to prolonging the service life of the transmitter.

4. According to the zui overload of the system.

The zui overload of the system should be less than the overload protection limit of the transmitter, otherwise it will affect the service life of the transmitter and even damage the transmitter. Generally, the safe overload pressure of UE pressure transmitter in the United States is twice of full scale.

5. According to the required accuracy level

The measurement error of transmitter is classified according to the accuracy grade, and different accuracy corresponds to different basic error limits (expressed as a percentage of full-scale output). In practical application, it is selected according to the control requirements of measurement error and the principle of economic use.

6. According to the operating temperature range of the system

The temperature of the measuring medium should be within the working temperature range of the transmitter. If it is used over-temperature, it will cause a large measurement error and affect the service life of the transmitter. In the production process of UE pressure transmitter in the United States, the temperature influence will be measured and compensated to ensure that the measurement error caused by the temperature influence is within the accuracy level requirements. In the case of high temperature, we can consider choosing high-temperature American UE pressure transmitter or adopting auxiliary cooling measures such as installing condenser tube and radiator.

7. According to the compatibility of measuring medium and contact material

In some measuring occasions, the measuring medium is corrosive. At this time, it is necessary to select materials compatible with the measuring medium or carry out special process treatment to ensure that the transmitter is not damaged.

8. According to the pressure interface form

Threaded connection (M20×1．5) is usually the standard interface form.

9. According to the power supply and output signal

Usually, American UE pressure transmitter is powered by DC power supply, which provides a variety of output signals, including 4 ~ 20 mA DC; , 0 ~ 5v. DC, 1 ~ 5v. DC, 0 ~ 10ma. DC, etc., with 232 or 485 digital outputs.

10. According to the working environment on site and others.

Whether there is vibration and electromagnetic interference, etc., relevant information should be provided during the selection so as to take corresponding treatment. In the selection, other ways such as electrical connection can also be considered according to the specific situation.

"Product features"

● Digital display of working process

● Setpoints and dead zones that can be set on site.

● Self-diagnosis and detection function

● Port blocking detection

● The delay time of false trip is adjustable.

● Patented electronic IAW self-monitoring function

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