The MKS Granville-Phillips 431 & 423 I-Mag Cold Cathode Vacuum Sensors offer advanced vacuum measurement solutions with a wide pressure range from 1.0 x 10-11 to 1.0 x 10-2 Torr. These sensors utilize an inverted magnetron design based on the ionization probability of gas through high voltage electron discharge. Unique dual feedthrough ion collection enhances measurement accuracy beyond conventional cold cathode vacuum sensors. The 423 model is compact, cost-effective, and has a higher bake-out temperature, while the 431 model supports higher operating temperatures and customizable options.
Product Features
- Wide measurement range: 1.0 x 10-11 to 1.0 x 10-2 Torr
- Inverted magnetron design for increased measurement range and accuracy
- Dual feedthrough ion collection for precise pressure readings
- 431 sensor offers higher operating temperature and customizable models
- 423 sensor is lower cost, more compact, and has higher bake-out temperature
- Sensor tubes can be mounted in any position without affecting readings
- No filaments to burn out, ensuring longer sensor life
- No degassing required and no adjustments needed for emission current or filament voltage
- Part of the comprehensive Granville-Phillips vacuum measurement family including Stabil-Ion, Micro-Ion, Convectron, and classic glass and nude Bayard-Alpert gauges
Applications
- High energy physics
- Analytical instruments
- Laser production
- Ion implantation
- Mass spectrometry
- Physical Vapor Deposition (PVD)
Benefits
- Flexible installation with sensor tubes operable in any orientation
- Long sensor lifespan due to absence of filaments and degassing requirements
- Reliable, maintenance-free operation with no emission current or filament voltage adjustments
- Accurate vacuum measurement enhanced by dual feedthrough ion collection technology
- Cost-effective and compact design for 423 model without sacrificing performance
- Customizable options and higher temperature tolerance with 431 model for demanding environments
Why Choose the MKS 431 & 423 I-Mag Sensors?
The MKS Granville-Phillips 431 & 423 I-Mag Cold Cathode Vacuum Sensors are trusted for their accuracy, durability, and versatility in demanding vacuum applications. With advanced inverted magnetron technology and unique dual feedthrough ion collection, these sensors deliver precise pressure measurement across a broad range while minimizing maintenance. Their flexible installation options and robust design make them ideal for scientific research and industrial processes where reliability is critical.
