CY-ZJ-27 Wide Range Hot Cathode Ionization Gauge

This type of gauge tube is a typical triode structure, using a precious metal oxide cathode that is resistant to oxidation and withstands instantaneous atmospheric impact. It is characterized by stable performance, long life, and suitability for medium to high vacuum measurements.

Main Technical Parameters:

Measurement Range: 4 to 1×10−51 \times 10^{-5}1×10−5 Pa

X-ray Limit: < 1×10−61 \times 10^{-6}1×10−6 Pa

Gauge Sensitivity: 0.15±150.15 \pm 15%0.15±15 Pa⁻¹

Operating Parameters:

Filament Voltage: 1.3 V

Filament Current: 2.5 A

Filament to Ground Potential: 25 V

Grid to Ground Potential: 200 V

Grid Current (Emission Current): 0.1/1 mA

Collector to Ground Potential: 0 V

Joule (I²R) Degassing:

Grid Voltage: 11 V

Grid Current: 3 A

Vacuum Connection Types and Baking Temperature:

Φ15.5±0.5 Glass: 80°C

Φ15.5±0.1 Metal: 80°C

KF10 Quick-release Flange: 80°C

KF25 Quick-release Flange: 80°C

KF40 Quick-release Flange: 80°C

CF16 Ultra-high Flange: 450°C

CF25 Ultra-high Flange: 450°C

CF35 Ultra-high Flange: 450°C