赛米瑟SPG钨丝皮拉尼真空计采用坚固耐用的不锈钢传感器单元，结构设计紧凑，采用结实耐用的旋转灯丝，产品测量范围广， 精度高， 可靠性好， 重复性高。真空计测量范围从1000~1X10-4mbar，20~1X10-3mbar精度可达±10%，靠近大气压误差在±30%，钨丝皮拉尼真空计不合适测量大气压附近的真空值。

The Semi Serve SPG tungsten wire Pirani vacuum gauge adopts a sturdy and durable stainless steel sensor unit, with a compact structural design and a sturdy and durable rotating filament. The product has a wide measurement range, high accuracy, good reliability, and high repeatability. The measurement range of the vacuum gauge is from 1000~1X10-4mbar, with an accuracy of ± 10% for 20~1X10-3mbar and an error of ± 30% near atmospheric pressure. The tungsten wire Pirani vacuum gauge is not suitable for measuring vacuum values near atmospheric pressure.