On the linear scale of our sensors, the higher the sensitivity, the better. Because only when the sensitivity is high, the value of the output signal corresponding to the measured change is relatively large, which is conducive to signal processing. However, it should be noted that the sensitivity of the sensor is high, and the external noise that has nothing to do with the measurement is also simply mixed, which will also be expanded by the expansion system and affect the measurement accuracy. Therefore, the sensor itself is required to have a high signal-to-noise ratio to minimize the factory disturbance signal introduced from the outside world.
The sensitivity of the sensor is directional. When the measured quantity is a one-vector quantity and has high requirements for its directionality, the sensor with small sensitivity in other directions should be selected. If the measured is a multi-dimensional vector, the smaller the sensitivity of the sensor, the better.
The frequency response characteristics of the sensor determine the frequency scale to be measured, and the measurement conditions must be maintained without distortion within the promised frequency scale, in fact, the response of the sensor must be delayed, and the shorter the delay time, the better. The frequency response of the sensor is high, and the frequency scale of the measurable signal is wide, while due to the influence of structural characteristics, the inertia of the mechanical system is larger, and the frequency of the measurable signal of the sensor with low frequency is low.
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Attention to the problem of testing six-wire load cells – we are blessed with it
Because the appearance of the six-wire sensor and the six-wire four-wire sensor can not be distinguished, before the measurement and verification personnel test the sensor, if they find that the sensor input and output cable has six wires, it should be clear whether the sensor is a six-wire sensor, and the six-wire load cell test can not use a fine digital voltmeter...
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Classification of pressure sensors
There are great differences in the skills, design, function and adaptability of pressure sensors, as well as the conditions and price of pressure sensors. According to preliminary estimates, there are more than 60 types of pressure sensors in the world and at least 300 companies produce pressure sensors.
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Instructions for use of ultrasonic switches
The ultrasonic switch can be parameterized via two buttons on the side of the sensor. The width of the ultrasonic sound cone also allows the sensor to be mounted as required. The user can set the switch point according to his needs, and the switch point can be adjusted within 5 minutes after powering on. In more than 5 minutes, if ...
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Precautions for load cell replacement – a blessing
The premise of load cell replacement is that the axis of the applied force coincides with the axis of the sensor, we should know one thing, that is, with the increase of the additional load, the microvolt/indexing signal output by the sensor decreases.
About the electromechanical junction of the S-shaped sensor installed in the second force transmission link ...
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The new WIS2 wireless sensing system is available
The use of robots that can exchange things requires high-speed movement and fast rotation. Conventional solutions for energy chains or slip rings lack the necessary flexibility with regard to this automation technology. Our wireless sensing system (WIS) enables non-contact in places where a fixed connection is not possible.
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The sensitive core structure of the accelerometer – we are blessed
The accelerometer is a sensor that can measure acceleration, this sensor can help the product to understand the environment in time, and it is very accurate, so what is the structure of its sensitive core?
1. Compression method: ...
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How to identify the number of pulse positions in an encoder – we are blessed
The pulse encoder is a rotary encoder that uses the rotation pulse for signal output, and the main characteristics are the standard shape and diversified shape structure; The internal coding is stable, the signal output qiang, and the pulse value and positioning value are clear. Therefore, when choosing this type of punching encoder, ...
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Safety barriers are available in a variety of applications
In the process of using the safety barrier, whether it is the construction stage or the daily maintenance, repeated removal of the suture is a troublesome and simple mistake. With pluggable terminals, there is no need to repeatedly disconnect the wires. The field side terminals of the safety barrier and the system side terminals are distinguished by different colors, if there are two sets of ...
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The role and classification of safety barriers
In electrical intrinsic safety explosion-proof (abbreviation: intrinsically safe explosion-proof), we generally divide the workplace into explosion-proof area and non-explosion-proof area. There is the transmission of electrical energy between the explosion-proof area and the non-explosion-proof area, for example, the switches, buttons, sensors, etc. in the explosion-proof area are connected to the non-explosion-proof area through the wires.
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Inclination sensor application industry – we are blessed
Marine geography
Landslides, avalanches -- Dual-axis skew sensor with liquid level sensor for landslide or avalanche monitoring, through wireless data transmission to the central control system, real-time monitoring of mountain conditions, can effectively reduce the damage caused by landslides.
Construction
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P+F proximity switches are indicated by letters
SQ proximity switch,
CE Forward Push Button SBF Reverse Push Button SBR Stop Button SBS Panic Button SBE Test Button SBT Reset Button SR Limit Switch SQ Proximity Switch SQP Manual Control Switch SH Moment Control Switch SK Level Control Switch SL Humidity Control ...
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Auxiliary mechanical device installation form - double blessing
Auxiliary mechanical devices: commonly used are rack and pinion, chain belt, friction runner, rope reeling machinery, etc.
Low-speed end device: installed behind the reduction gear, such as the shaft end of the winch wire rope drum or the shaft end of the next reduction gear ...
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The difference between NPN type and PNP type in sensor switches – we are blessed
There are two common types of sensor switches: NPN type and PNP type, so what are the differences and differences between them?
For example, there is a switch VT in the NPN open collector output circuit, and the output OUT is through the switch ...
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A common way to detect the level of liquids – we are blessed
In order to select the best liquid level sensor, we need to understand not only the characteristics and conditions of the liquid to be measured, but also the advantages and limitations of different detection methods, and then we can select the most suitable sensor. Here are some of the most common inspection technologies on the market today.
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Precautions for the installation of inclination sensors – we are blessed
1. The device mode of inclination sensor is divided into two types: horizontal device and vertical device, but whether it is a horizontal or vertical device, the sensor device surface should be parallel to the face of the measured object when installing, and the influence of dynamic and acceleration should be reduced at the same time.
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The structure of proximity sensor switches – we are blessed
1. Durability
The reason why the switch has such a long life is that the switch acts as elastic from the vertical direction of the elastic membrane. Although millions of peristalsis are carried out after the elastic membrane, because the creep rate is very small, only 0.1 - 0.3m ...
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Wiring of weighing strain gauge tension and compression sensors – we are in control
Wiring method of weighing strain tension and compression sensor:
Strain gauge tension and compression load cells can be wired in two different input and output wiring methods:
The first is the four-wire connection method.
The load cell of the four-wire connection method has no special requirements for the secondary instrument panel, and it is very convenient to use.
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The PXV absolute positioning system enables reliable positioning of monorail conveyors
Overhead monorail conveyors are used for internal transportation of production materials. They are popular in the car industry, where engines, drivetrains, doors and entire car bodies are transported along the production line, for example. A complete monorail conveyor system is composed of a trajectory system and a plurality of monorail conveyors ...
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Precautions for the use of linear displacement sensors - double blessing
Whether it is a linear displacement sensor or a rope displacement sensor, it often encounters a variety of problems when it is used, including quality problems, application problems, environmental problems, etc., but the use of problems is common, and improper use is easy to damage the sensor.
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Safety barriers are used for intrinsically safe system features
The barrier and barrier are composed of four parts: the input signal processing unit, the barrier unit, the output signal processing unit, and the power supply. Depending on the direction of the signal, a substantial safety plan is added to the input or output unit, which then forms a barrier and a barrier. Traditional barrier and safety ...
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