Adjust the performance of the pneumatic valve term 2)

static characteristic is pneumatic valve stroke and the static relationship between the input signal, so also known as static characteristics. The following is a static property of all kinds of basic definition.
basic error the specified reference conditions, actual trip characteristic curve and the schedule of rules known as the biggest difference between the basic error of characteristic curves.
to start and end of starting point bias deviation, also with zero error is also known as the wrong end of bias, known. Instrument under the work, when the input is the upper limit and lower limit range of signals using the specified conditions, the control of the pneumatic valve stroke relative error value is called the bias of the beginning of the end. Beginning and end of a pneumatic control valve rated travel deviation himself as rated travel deviation percentage, said in a particular instrument work under the conditions of use, than the upper limit error value range of the input signal, the rated travel deviation.
to return to the rise of poverty the same input signal and the tourism value corresponding to the biggest difference between between the two countries.
deaths of positive and negative direction of the change of the input signal did not cause any travel limited range ( Figure significantly change & amp; ”; # & ”; 。
, repeated in the same working conditions, in the same direction of repeated measurement between the output of the input value is called the degree of repeatability value consistent. The size of the random error of a repeat of the document. Repetitive control indexes of pneumatic valve, determine the maximum repeatability error within the scope of the full range of the input value. Hysteresis and repeatability does not include the lag.
and repetitive work in the same condition and the range of the same input values from the two output value in the opposite direction between the repeated measurements specified time is known as repetitive consistency. Hysteresis, repeatability, including dead zone, temperature drift and repeatability. Repeated in the same input from the corresponding output rise and fall of the biggest difference between repeated measurement to determine the full value, and expressed as a percentage of the range.
and linear error linear proper ( Separate lines, the zero-base line, terminal line) Linear error between maximum deviation correction curves. Throughout the range of the rise and fall of the input signal in the two measurements direction, two or more at each point determination of the input signal, calculate the average data, use curve and linear between maximum average stipple, linear error.