The MKS 431 Cold Cathode Vacuum Sensor delivers long-lasting, precise vacuum measurement across a wide range from 1.0x10-11 to 1.0x10-2 Torr. Using an inverted magnetron design, it measures ionization probability of gases via high voltage electron discharge. Featuring a unique dual feedthrough for ion collection, this sensor offers enhanced accuracy over other cold cathode vacuum sensors. The 431 model supports higher operating temperatures with customizable options, while the compact 423 model offers cost-effective, high bake-out temperature performance.
Product Features
- Inverted magnetron design expands measurement range and improves reliability
- Wide measurement range: 1.0x10-11 to 1.0x10-2 Torr
- Dual feedthrough for ion collection increases measurement accuracy
- Sensor tubes can be mounted in any position without affecting readings
- No filaments to burn out, reducing maintenance
- No need to degas the gauge, simplifying operation
- No adjustment of emission current or filament voltage required
- 431 sensor offers higher operating temperature and customized models
- 423 sensor is more compact, lower cost, and has higher bake-out temperature
- Part of the broad MKS Granville-Phillips vacuum gauges and sensors product family
Applications
- High energy physics
- Analytical instruments
- Laser production
- Ion implantation
- Mass spectrometry
- PVD (Physical Vapor Deposition)
Benefits
- Long operational life due to filament-free cold cathode technology
- Stable and precise vacuum measurement across ultra-high vacuum ranges
- Flexible installation options with no effect on accuracy
- Reduced maintenance lowers downtime and operating costs
- Reliable performance under high temperature and bake-out conditions
- Ideal for demanding industrial and scientific vacuum measurement applications
Why Choose the MKS 431 Cold Cathode Sensor 8 VCR-F1?
Combining innovative inverted magnetron technology with dual ion collection feedthroughs, the MKS 431 Cold Cathode Sensor ensures precise and reliable vacuum measurement. Its durable construction and maintenance-free design make it a trusted choice for laboratories and industrial processes that require consistent ultra-high vacuum monitoring.
