BAG402
The BAG402 is a Bayard-Alpert hot cathode vacuum gauge designed for measuring vacuum levels ranging from 5×10⁻¹⁰ mbar to 2.7×10⁻² mbar (3.75×10⁻¹⁰ Torr to 5×10⁻² Torr). It offers high precision, low cost, and compatibility with various industrial processes. Its unique dual-filament design ensures superior accuracy and extended service life.
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Overview
The BAG402 is a Bayard-Alpert hot cathode vacuum gauge designed for measuring vacuum levels ranging from 5×10⁻¹⁰ mbar to 2.7×10⁻² mbar (3.75×10⁻¹⁰ Torr to 5×10⁻² Torr). It offers high precision, low cost, and compatibility with various industrial processes. Its unique dual-filament design ensures superior accuracy and extended service life.
Specifications
| Parameter | Value |
|---|---|
| Measurement Range (Air, N2, CO, Ar) | 3.75×10⁻¹⁰…5×10⁻² Torr |
| Accuracy | ±15% of reading |
| Repeatability | 5% of reading |
| DEGAS | electron bombardment, max. 3 min |
| Pressure, Max | 2 bar (absolute) |
| Temperature (Storage) | -20…+70°C |
| Bakeout at Flange | 80°C |
| Supply Voltage | +20…+28Vdc |
| Error Signal | >+10V |
| Voltage vs. Pressure | 1 volt per decade |
| Load Impedance, Min | 10kΩ |
| Filament | two Yttriumoxid (Y₂O₃) coated Iridium (Ir) |
| Electrical Connection | D-Sub, 9-pin, male |
| Cable Length, Max | 100m (330ft) |
| Materials Exposed to Vacuum | Y₂O₃, Ir, Pt, Mo, NiFe, NiCr, stainless steel, glass |
| Internal Volume KF/CF | 24cm³ (1.46in³) / 34cm³ (2.1in³) |
| Weight KF/CF | 450g / 710g |
| Protection Class | IP30 |
Applications
1. Ultra-high vacuum measurement 2. Industrial vacuum processes 3. Research and development in vacuum technology
Key Features
1. Wide measurement range from ultra-high vacuum to low vacuum 2. High repeatability within 5% of reading 3. Dual-filament design for extended service life 4. RoHS compliance
Datasheet
Product Datasheet
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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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