** is the pressure, the transmitter can't lose it. In this case, look at the pressure connection to see if it is leaking or clogged, if it is not, look at the wiring and see if the power supply is normal, simple pressure to determine if the output has changed, or if there is an output at the zero point of the sensor, if it has not changed, the sensor is damaged, it may be cosmetic damage or other aspects of the system.
Second, the output of the pressure transmitter does not change, the output of the pressure transmitter changes suddenly, and the zero point of the pressure reducing transmitter cannot come back, which is most likely a problem with the sealing ring of the pressure sensor. Because of the specification requirements of the sealing ring, after the sealing ring is tightened, the sealing ring is compressed into the sensor inlet, so that the sensor can not enter, and the pressure medium cannot enter when the pressure is high, and the sealing ring is suddenly broken when the pressure is high, and the pressure sensor is changed by pressure. The best way to eliminate this is to remove the sensor and see if the zero point is normal. If the zero position is normal, the seal can be replaced and the test run can be carried out again.
Third, the output signal of the transmitter is unstable. The problem with this problem is that KEN is a stressor. The pressure source itself is unstable pressure, which is most likely caused by the weak anti-interference ability of the appearance or pressure sensor, the vibration of the sensor itself, and sensor malfunctions.
The fourth is that there is a large deviation between the transmitter and the pointer pressure gauge. Deviation is a normal phenomenon, and the normal deviation scale can be determined; The latter problem is the effect of the orientation of the differential pressure transmitter on the zero output. Because the measurement scale of the differential pressure transmitter is small, the sensor element in the transmitter will affect the output of the differential pressure transmitter. At the time of installation, the pressure-sensitive part of the transmitter should be perpendicular to the direction of gravity, and the zero point of the transmitter should be adjusted to the standard value after installation.
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Calibration steps for pressure transmitters – Turck
When calibrating the pressure, we need to zero the current of the transmitter, and then carry out the positive and negative relocation of the zero point according to the requirements, if the pressure transmitter is calibrated for the first time, then we also need to add the measured physical quantity calibration, and the subsequent calibration can be calibrated by manual operation.
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Common faults in temperature sensors – Turck
First, there is no change in the output of the transmitter when the temperature of the measured medium rises or decreases.
This situation is mostly a problem with the sealing of the temperature sensor, which may be because the temperature sensor is not sealed well, or it may be that the sensor is accidentally welded into a small hole during welding.
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How to use photoelectric switches – Turck
Photoelectric switch is the abbreviation of photoelectric proximity switch, which uses the detection object to block or reflect the beam, and the circuit is turned on by the synchronous loop, and then the presence or absence of the object is detected. Objects are not limited to metal, and all objects that reflect (or block light) can be detected. Light...
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Choose the right laser displacement sensor method – Turck
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Turck Vibration Sensor Selection
The first step is to look at the input quantity, how to see the input amount? Performance targets can be judged by the sensor's range or measurement scale, as well as its overload capacity.
The second step is to look at the static characteristics, the static characteristics are the input signal recorded when static, and the parameters that express the static characteristics mainly include linearity, delay...
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On June 27, 2018, Turck's Uprox series inductive sensors were awarded the "AI User Praise Award" at the 2018 (18th) Advanced Manufacturing Skills and Car Manufacturing Industry High-Level Forum and Award Ceremony. The award was selected by readers in the car industry, and it took several months to select ...
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Pressure sensor for mobile devices – Turck
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Turck safety barrier MS27-R was installed and commissioned
Proximity switches are typically used as signal transmitters and can be used in a variety of manipulation processes to ensure that the risk scale or other important manipulation functions are exerted.
Most of the proximity switches are inductive and photoelectric proximity switches, and some are proximity switches using ultrasonic waves or capacitors.
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Features of Turck's RFID technology
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Differential pressure sensor applications – Turck
A differential pressure sensor is a sensor used to measure the difference between two pressures, and is generally used to measure the pressure difference between the front and rear ends of a certain equipment or component.
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Introduction to piezoresistive pressure sensors – Turck
What is the principle of piezoresistive pressure sensors?
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Mechanical pressure selective dynamic sensor method – Turck
Select a dynamic pressure sensor to confirm the pressure to be measured, and the dynamic sensor is divided into measuring mechanical pressure and air pressure.
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