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單動作型執(zhí)行機構(gòu) For single acting actuator
直 線 性 Linearity∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙±1.0%of Full stroke
滯 后 Hysteresis∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.5%of Full stroke
靈 敏 度 Response level∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.1% of Full stroke
重 復(fù) 精 度 Repeatability∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.2% of Full stroke
氣源壓力變動誤差 Supply pressure effect∙∙∙∙∙∙∙∙∙∙∙0.1%10Kpa
雙動作型執(zhí)行機構(gòu) For double acting actuator
直 線 性 Linearity∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙±1.5% of Full stroke
滯 后 Hysteresis∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.8% of Full stroke
靈 敏 度 Response level∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.2% of Full stroke
重 復(fù) 精 度 Repeatability∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.3% of Full stroke
氣源壓力變動誤差 Supply pressure effect∙∙∙∙∙∙∙∙∙∙∙0.4%10Kpa
上述各數(shù)值是指在不連接閥門的情況下執(zhí)行機構(gòu)的性能。
The above data represent the performance of the positioner on an actuator without a valve. |