Leybold ITR90 Series Directory - Official original Leybold vacuum gauges, covering all models of the ITR90 series, including standard models, models with display, DN40 CF ultra-high vacuum models, and Profibus communication models. Adopting Pirani + hot cathode ionization combined measurement principle, the measuring range is 5×10⁻¹⁰ ~ 1000 mbar, suitable for semiconductor, coating, scientific research and other high vacuum scenarios. Complete matching sensors and accessories are available, with original quality guarantee and in-stock supply.