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Measurement system: cold cathode ionization (inverted magnetron principle)
Measurement range (N2): 1 × 10^-11 … 5 × 10^-3 mbar
Accuracy (N2, typical): 30% of reading
Repeatability (N2, typical): 5% of reading
Mounting orientation: any
Operation Temperature
with standard cable: +5 … +80 °C
with high temperature cable: +5 … +250 °C
Bakeout: 250°C
Storage: -40 … +80 °C
Relative humidity: max. 80 % at temperature up to +30°C, decreasing to 50 % at +45°C
Radiation resistance: 1 × 10^7 Gy
Standard operating characteristics with VGC094/VGC083
Voltage (within measuring chamber): ≤3.3 kV
Current (within measuring chamber): ≤700 μA
Electrical connection
Type: triaxial
Connector: Push-pull self-latching, triax
Use: indoors only, altitudes up to 2000 m
Maximum cable length: ≤500m
Overpressure: ≤9 bar (limited inert gases)
Protection category: IP40
Materials exposed to vacuum
Vacuum chamber: Stainless steel (EN 1.4306, 1.4104, 1.4306)
Feedthrough: Al2O3
Internal seal: Ag
Anode: Mo
Ignition aid: Stainless steel (EN 1.4310)
Internal volume: ~20 cm3
Weight: 600 g
