IRG080 is a passive ion reference gauge used with the IRC081 controller. Electrons from its hot cathode travel on a straight path for predictable gas sensitivity, and it serves high vacuum measurement and as a calibration reference for other gauges.
| Measuring Range (with IRC081 connected) | <1×10⁻⁸ … 1×10⁻⁴ mbar |
| Electron Emission Sensitivity | 29 mbar⁻¹ (typical) |
| Accuracy | ±1% of reading |
| Bakeout (standard cable) | +165°C, +400°C without connector |
| Flange Connection | DN 63 CF-R |
| Repeatability (typical) | 1% of reading |
| Operating Temperature | +20…+80 °C |
| Storage Temperature | +20…+50 °C |
| Permissible External Magnetic Field | ≤50 µT (unshielded, plane perpendicular to gauge axis) |
| Internal Volume | approx. 385 cm³ |
| Weight | 4.3 kg |
| Dimensions | ø113 x height 231 mm (215) |