APG100 皮拉尼真空計

皮拉尼真空計原理
加熱電阻絲，使之升溫至需要的工作溫度
由于氣體粒子與 電阻絲碰撞離開時帶走了能量，電阻絲的溫度會發生變化

熱絲的能量損失與熱絲周圍的氣體濃度及氣體成分成比例關系

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.