Counter-Magnetic Ultra High Vacuum Cold Cathode Ionization Gauge

This type of gauge tube features a typical counter-magnetic structure. Without a hot filament, it is not afraid of exposure to the atmosphere. It uses an ultra-high vacuum detachable sealing electrode structure, which makes cleaning and maintenance simple and ensures reliable sealing performance. Equipped with an auxiliary excitation device, it starts quickly and measures stably. The precision symmetric orthogonal electromagnetic field configuration ensures high measurement accuracy and good repeatability. It is particularly suitable for high and ultra-high vacuum measurements.

Main Technical Parameters:

Measurement Range: 1×10−11 \times 10^{-1}1×10−1 to 1×10−71 \times 10^{-7}1×10−7 Pa

Operating Voltage: 3/3.3 kV

Working Current: 0.7 mA

Cathode and Anode Material: Non-magnetic stainless steel

Insulator Material: 95% ceramic

Central Post Sealing Material: Pure silver or fluororubber sealing ring

Vacuum Connection Types and Baking Temperature:

CF35 Ultra-high Flange: 450°C

KF40 Quick-release Flange: 120°C

KF25 Quick-release Flange: 120°C

KF16 Quick-release Flange: 120°C

Φ15.5±0.1 Metal: 120°C