PPG550 is a combination vacuum gauge with a MEMS Pirani sensor and a piezo sensor in one flange. Above 2 mbar it reads pressure regardless of gas type for safe venting, and its low height fits tight spaces.


| Measuring Range | 1×10⁻⁶ … 1333 mbar |
| Accuracy (2…99.9mbar) | 1% of reading |
| Supply Voltage | +12…+30 V(dc), ripple max 1V |
| Maximum Pressure (absolute) | 10 bar |
| Response Time | <20 ms |
| Operating Temperature | -20…+50 °C |
| Storage Temperature | -40…+120 °C |
| Bakeout | +120 °C (not operating) |
| Protection Rating | IP 40 |
| Weight | DN16 ISO-KF ~136 g, DN25 ISO-KF ~155 g |