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Measurement system: Pirani
Display range (air, O2, CO, N2): 8 × 10^-4 … 1000 mbar
Measurement range (air, O2, CO, N2): 1 × 10^-2 … 100 mbar
Accuracy (N2)
in the range of ≥ 100 mbar: up to factor 2 of reading
at room temperature and cable length <20 m: ~±10% of reading in the range of 1 × 10^-2 ... 100 mbar
up to +70 °C and within the entire range of specified cable length: ~±20% of reading in the range of 1 × 10^-2 ... 100 mbar
within the entire specified range of temperatures and cable length: ~±35% of reading in the range of 1 × 10^-2 ... 100 mbar
Repeatability (N2): ~±5% of reading in the range of 1 × 10^-2 ... 100 mbar
Mounting orientation: any
Ambient, in operation with standard cable: 0 … +80 °C
Ambient, in operation with high temperature cable: 0 … +120 °C
Bake-out: 250 °C
Storage: -
Relative humidity: ≤80% at temperatures ≤+31 °C, decreasing to 50% at +40 °C
Radiation resistance: 1 × 10^6 Gy
Use: indoors only, altitudes up to 2000 m
Maximum cable length: depending on measurement board
Overpressure: ≤9 bar (limited inert gases)
Protection category: IP 40
Materials exposed to vacuum:
Feedthrough: Al2O3
Internal seal: Nimonic 90, AI
Filament / holder: W/Ni
Chamber wall: Stainless Steel EN 1.4435, EN 1.4306
Weight: 1.2kg
