The versatile VD85 vacuum meter with Piezo/Pirani combination sensor with data logger and USB interface reads pressure over 7 decades in the rough and fine vacuum range
| Measurement principles | Combination sensors, Piezo, Pirani |
|---|---|
| Gas dependency | depending on gas type, independent of gas type (Piezo) |
| Measuring range mbar | 1200 - 5e-4 mbar |
| Measurement range Torr | 900 – 5e-4 Torr |
| Max, Overpressure resistance | 2 bar abs. |
| Accuracy | 1200 – 40 mbar: 0.3 % f.s. | 40 – 2e-3 mbar: 10 % f.r. |
| Resolution | 1200 – 1000 mbar: 1 mbar, 1000 – 1 mbar: 0.1 mbar |
| Measurement rate | 1.0 s |
| Logging rate | 1 … 6000 s |
| Materials in contact with vacuum | Stainless steel 1.4305, Tungsten, Nickel, glass, gold, FKM |
| Operating temperature | +5…+50 °C |
| Storage temperature | -20…+60 °C |
| Voltage supply | 9 V battery or 12…15 VDC external |
| Operating time | Li-battery |
| Serial interface | Mini-USB, Type B, 5pin, female, Virtual Com Port protocol |
| Electrical connection | Mini-jack 2.5 mm for plug-in power supply |
| Article Number (choice of vacuum connection) | Stainl. steel small flange DN 16 ISO-KF |
| Display | LCD 12 mm |
| Dimensions | 25 × 16 × 9 cm |
| Protection class | IP40 |
| Weight (kg) | 0,230 |
| Power consumption | Approx. 110 mW (clocked) |
| Category | Data logger, Vacuum meter |