BPG402-Sx is a combination vacuum gauge with a Bayard-Alpert hot cathode sensor and a Pirani sensor in one body. It measures from ultra-high vacuum to atmosphere, protects the filament using the Pirani reading and has a directly replaceable sensor.
| Measuring Range | 5×10⁻¹⁰ … 1000 mbar (3.8×10⁻¹⁰ … 750 Torr) |
| Accuracy | ±15% of reading (10⁻⁸…10⁻² mbar) |
| Supply Voltage | +20…+28 V/≤0.8A (dc) |
| Bakeout (flange) | BPG402-S 80°C / BPG402-SL 150°C |
| Protection Rating | IP30 |
| Repeatability | 5% of reading (10⁻⁸…10⁻² mbar) |
| Maximum Pressure (absolute) | 2 bar |
| Operating Temperature | 0…+50°C |
| Storage Temperature | -20…+70°C |
| Interface | RS232C |
| Setpoint Relay | 1 (1×10⁻⁹…100 mbar, NO) |
| Weight | KF 450 g, CF 710 g |