加热电阻丝,使之升温至需要的工作温度
由于气体粒子与 电阻丝碰撞离开时带走了能量,电阻丝的温度会发生变化
热丝的能量损失与热丝周围的气体浓度及气体成分成比例关系
BOC Edwards APG100 series
Active Pirani vacuum gauges
are available in 2 models. The
APG100-XM is the standard
model and measures to 10-3
mbar. The APG100-XLC is a
corrosion resistant version with
measurement to 10-4 mbar.