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   ● Absolutely position output

  The output of sensor is relative to the position of an absolute (fixed) reference point。When the power is restored after power failure,there is no need to reset。So it is not as general incremental sensor (such as incremental encoder, incremental grating feet), which can not go on the measurement unless reseted。

  ● Non-contact measurement

  The telescopic position sensors adopt the measurement principle of non-contact magnetic induction,so there does not exist mechanical wear problems during the whole life of products.At the same time, the measuring methods can effectively eliminate the measurement error caused by vibration.As a result,it can improve the reliability and service life of the sensor.

  ● Electrical protection level

  The IP(Ingress Protection)standard of invasive protection of the shell issued by International Electrotechnical Commission.For the detailed explanation of the relevant IP standard, please refer to the IEC's official website.

  ● Load impedance

  It refers to the impedance displayed by the sensor when we look into the sensor from the output terminal。

  ● Non-linearity

  Along the measurement stroke of the sensor, the difference between the displayed value of position magnet and the true value。In magnetostrictive position sensor,this change is caused by nonlinear propagation of the signal in the waveguide medium。Non-linearity is usually shown by the absolute error or the percentage of the length of effective stroke。

  ● Repeatability

  Measuring along the stroke,the difference between the sensor's output values when the magnet repeat to reach the same position from the same direction。

  ● Resolution

  It refers to the displacement indicated by the last-digit of the output value of sensor measurements.

  ● Rated range

  Rated range refers to the actual usable detection area of a sensor, usually made clear in order number。Since there are first, end measurement blind area, rated testing length must be shorter than the total length of the sensor。

  ● Temperature coefficient

  In the case that the position of target to be measured is unchanged,the change of the sensor's output value when the environment temperature every change 1 ℃.The temperature coefficient unit is PPM / ℃ (one over one million each degrees Celsius).

  ● Update time

  The time interval between the two measurements of a sensor.The greater the range of the sensor is,the longer the time needed for the update.

  ● Lag

  When cursor magnet ring is moving along the stroke direction,it is to reach and exceed some position and then pass the position again from the opposite direction。Then Lag is the difference between the two measurement outputs。But magnetostrictive position sensor of the actual lag is very small,and is negligible in most applications。

  ● Drift

  Drift is the phenomenon that when the working environment (such as temperature, etc) is changed and the to be measured is unchanged,the output value will change。The most common form is to change with temperature, referred to as WenPiao。

  ● Preheated period

  From the moment the sensor has electricity to the moment the output value is close to the steady state,the time required is preheated period.

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