Trigon BPG552 is a combination vacuum gauge with a Bayard-Alpert hot cathode sensor and a Pirani sensor. It measures from ultra-high vacuum to atmosphere, the sensor with its calibration chip can be swapped directly, and it has an OLED display.
| Measuring Range (Pirani+BA) | 5×10⁻¹⁰ … 1000 mbar (crossover 5×10⁻³…2×10⁻²mbar, BA 5×10⁻¹⁰…5×10⁻³mbar) |
| Accuracy (1×10⁻⁸…100mbar) | ±15% of reading |
| Supply Voltage | +24 V (dc) (+20…+28 V) |
| Power Consumption | ≤18 W (EtherCAT ≤21 W) |
| Operating Temperature | 0…+50°C |
| Maximum Pressure (absolute) | 5 bar |
| Protection Rating | IP40 |
| Weight | 550…760 g |
| Bakeout | +150°C (vacuum connection, excluding electronics and calibration PCB, horizontal mounting) |
| Interface | Diagnostic port, RS232C, optional EtherCAT |
| Output | 0…+10 V (0.774…10.0 V, 0.75 V/decade) |
| Accuracy (100…1000 mbar) | ±50% of reading |