PfeifferVacuum MeterKa'amAnalog Signal Vacuum Meter (Analog Signal Vacuum Meter)ActiveLine、Modular Vacuum Meter (Modular Vacuum Meter)ModulLine、Digital Vacuum RegulatorDigiLine、Handheld Vacuum Meter、 KɔmpiVacuum Meter DisplayKɛnɛ substitutionLeibo Vacuum MeterCenterLine ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l ye kɛ̈l