BAG050, BAG051, BAG052, BAG053 Bayard-Alpert Gauges
The BAG050, BAG051, BAG052, and BAG053 are passive Bayard-Alpert ionization vacuum gauges designed for ultra-high vacuum pressure measurement. These gauges feature yttrium oxide-coated iridium filaments or tungsten filaments for specific applications, ensuring compatibility with various vacuum gauge controllers.
Specification Snapshot
Overall Length
4in (BAG050, BAG051), 6in (BAG052, BAG053)
Insertion Length
3in (BAG050, BAG051), 5in (BAG052, BAG053)
Glass Envelope
Ø2in × 5in long (BAG052, BAG053)
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Overview
The BAG050, BAG051, BAG052, and BAG053 are passive Bayard-Alpert ionization vacuum gauges designed for ultra-high vacuum pressure measurement. These gauges feature yttrium oxide-coated iridium filaments or tungsten filaments for specific applications, ensuring compatibility with various vacuum gauge controllers.
Specifications
| Parameter | Value |
|---|---|
| Measurement System | hot cathode ionization |
| Electrode System Configuration | Bayard-Alpert |
| Measurement Range (N2) BAG050 | 2.7×10⁻¹¹...1.3×10⁻³mbar, 2×10⁻¹¹...1×10⁻³Torr, 2.7×10⁻⁹...1.3×10⁻¹Pa |
| Measurement Range (N2) BAG051 | 5.3×10⁻¹⁰...1.3×10⁻³mbar, 4×10⁻¹⁰...1×10⁻³Torr, 5.3×10⁻⁸...1.3×10⁻¹Pa |
| Measurement Range (N2) BAG052 | 5.3×10⁻¹⁰...1.3×10⁻³mbar, 4×10⁻¹⁰...1×10⁻³Torr, 5.3×10⁻⁸...1.3×10⁻¹Pa |
| Measurement Range (N2) BAG053 | 5.3×10⁻¹⁰...1.3×10⁻³mbar, 4×10⁻¹⁰...1×10⁻³Torr, 5.3×10⁻⁸...1.3×10⁻¹Pa |
| X-ray Limit BAG050 | 2×10⁻¹⁰Torr |
| X-ray Limit BAG051, BAG052, BAG053 | 4×10⁻¹⁰Torr |
| Sensitivity (N2, typical) BAG050 | 25Torr⁻¹ |
| Sensitivity (N2, typical) BAG051, BAG052, BAG053 | 10Torr⁻¹ |
| Accuracy (N2, typical) | ±20% |
| Repeatability (N2, typical) | ±5% |
| Mounting Orientation | any |
| Admissible Temperature | 450°C |
| Bake-out | 450°C |
| Degas BAG050 | Electron bombardment (EB) ≤40W |
| Degas BAG051 | Resistive (i²R) 70W nominal, ≤100W |
| Degas BAG052, BAG053 | Resistive (i²R) ≤100W |
| Cathode Current | 2.5...3.5A (BAG050), 4...6A (BAG052, BAG053) |
| Heating Current | 3...5Vdc |
| Heating Voltage | +30Vdc |
| Anode (Grid) Potential | +180Vdc |
| Materials Exposed to Vacuum | Tungsten (W), Yttria-coated Iridium (Ir), Stainless Steel (SS) |
| Flange | SS AISI 304 (BAG050, BAG051), Glass Nonex 7720 (BAG052, BAG053) |
| Overall Length | 4in (BAG050, BAG051), 6in (BAG052, BAG053) |
| Insertion Length | 3in (BAG050, BAG051), 5in (BAG052, BAG053) |
| Glass Envelope | Ø2in × 5in long (BAG052, BAG053) |
| Compatible Controller | VGC083A (PN 399-700), VGC083B (PN 399-701) |
Applications
1. General vacuum measurement and control in the low to ultra-high vacuum range 2. Industrial and analytical applications
Key Features
1. Reliable and proven gauge head design 2. Drop-in replacement for most nude hot ion gauge heads 3. Wide range of emission currents (100μA to 10mA) 4. Available with single/dual yttria-coated iridium and dual tungsten filament cathode assemblies 5. Degas options include electron bombardment and resistive degas
Datasheet
Product Datasheet
PDF
Supplier Information
<p>INFICON is a leading provider of innovative instrumentation, critical sensor technologies, and advanced process-control software that enhance productivity and quality in vacuum-based manufacturing. Its analysis, measurement and control products are widely used in semiconductors, thin-film coating, flat-panel displays, solar cells, automotive and refrigeration leak detection, life sciences and more. Headquartered in Switzerland (listed on SIX as IFCN), INFICON established its China operation (a wholly owned subsidiary) with a Shanghai manufacturing plant in 2006 and sales offices in Beijing, Shanghai, Guangzhou and Hong Kong.</p>
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