Absolute Pressure 1000 to 1 x 10-4 mbar
The processor controlled VSP with robust helix filament is ideal for precise measurements in the fine vacuum range.
Smartline represents cutting edge technology providing safe, precise and cost effective process control.
Benefits
- Durable Pirani helix filament
- High resolution and accuracy
- Pirani filament is protected against oil and solvent vapors by a metal screen
- Digital RS485 interface and analog output signal 1.5-8.5 V or EtherCAT
- Automatic baud rate detection 9.6 kBd to 115 kBd
- Optionally with large, integrated LCD display with background illumination (VSP63DL, VSP64DL)
- Two independent, potential-free relay switch points
- Easily replaceable sensor heads with stored calibration data
Typical Applications
- Analysis instruments
- Operational control of roughing pumps and vacuum plants
- Safety circuits in vacuum systems
- Vacuum furnaces
- Leakage tests
- Freeze drying
- Process engineering
| Measuring Principle | Pirani |
| Materials In Contact With Vacuum | Stainless steel 1.4307, nickel, tungsten, glass |
| Measurement Range | 1000 - 1e-4 mbar (750 - 1e-4 Torr), max. overpressure 4 bar abs. |
| Accuracy | 1000 - 20 mbar: ca. ±30 % from reading 20 - 2e-3 mbar: < ±10 % from reading < 2e-3 mbar: < factor 2 |
| Repeatability | ±2% from reading |
| Reaction Time | < 100 ms |
| Voltage Supply | 20 - 30 VDC |
| Electrical Connection | VSP63D/DL, VSP64D/DL: SubD 15pol., male, lockable VSP63E, VSP64E: M12 circular connector, female, lockable, 1x A standard, 5pol., 2x D coded, 4 pol. |
| Power Consumption | 2.5W additonally 0.8 W for EtherCAT /relays / LCD |
| Operating Temperature | +5...+60°C (rel. humidity max . 80% at 30°C noncondensing) |
| Storage Temperature | -40...+65°C |
| Max. Bake Out Temperature | 125°C at the flange |
| Output Signal | 0-10VDC, measuring range 1.5 to 8.5 VDC, logarithmic, 1V / decade, load resistor > 10k W (VSP63D/DL, VSP64D/DL) |
| Serial Interface | RS485: 9.6 kBd to 115 kBd, address switch 1 - 16 |
| Switch Points | 2 switch-over relays, 50 VAC / 2 A, 30 VDC / 2 A, max. 60 VA |
| Vacuum Connection | DN 16 ISO-KF (VSP63), DN 16 CF-F (VSP64) |
| Protection Class | IP54 (VSP63E, VSP64E), IP40 (VSP63D/DL, VSP64D/DL) |
| Weight | 190g |
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