BSD-MASS Online Process Quadrupole Mass Spectrometer
| Brand | Beishide Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | BSD-MASS |
| Quadrupole Mass Analyzer | INFICON (USA-manufactured, with Certificate of Origin & Factory Calibration Report) |
| Mass Range | Standard 1–100 amu |
| Filament | Dual Iridium-coated filaments (active/standby, software-switchable) |
| Resolution | <0.5 ppm at 40 amu |
| Scan Speed | Up to 1.8 ms/amu, step size 0.1 amu |
| Minimum Detectable Partial Pressure | 2 × 10⁻¹⁵ Torr (4 s dwell time) |
| Sample Flow Rate | Standard down to 2 SCCM |
| Response Time | <1 s at ≤2 SCCM flow |
| Precision Splitting System | Integrated high-accuracy flow splitter |
| Soft Ionization | Electron energy digitally adjustable (0–100 eV) |
| Turbo Molecular Pump | Edwards, 85 L/s, 100,000 RPM, base pressure 1 × 10⁻¹² mbar |
| Dry Scroll Pump | 20 L/s, base pressure 1 × 10⁻¹ mbar |
| Vacuum Chamber | Monolithic, weld-free heated chamber (bakeable to 150 °C) |
| Inlet Interface | 1.2 m passivated stainless steel capillary (anti-condensation & anti-clogging design) |
| Software | INFICON OEM platform (English), TCP/IP communication |
| Dimensions | 510 mm (H) × 520 mm (L) × 225 mm (W), Weight: 30 kg |
Overview
The BSD-MASS Online Process Quadrupole Mass Spectrometer is an engineered solution for real-time, quantitative gas-phase compositional analysis in continuous industrial processes. Based on quadrupole mass filtering principles—where ions are separated by their mass-to-charge ratio (m/z) under precisely controlled RF and DC electric fields—the system delivers high-fidelity molecular speciation at sub-second temporal resolution. Unlike laboratory-based benchtop instruments, the BSD-MASS is purpose-built for integration into process streams, featuring a monolithic, weld-free ultra-high vacuum (UHV) chamber, bakeable to 150 °C, and optimized conductance architecture that maximizes ion transmission efficiency while minimizing residence time and memory effects. Its core analyzer is a U.S.-manufactured INFICON quadrupole mass spectrometer, supplied with full traceability documentation including Certificate of Origin and factory calibration report—ensuring compliance with ISO/IEC 17025-aligned verification protocols and supporting audit readiness for GMP and GLP environments.
Key Features
- Zero-weld UHV chamber construction eliminates virtual leaks and outgassing pathways common in multi-piece welded designs—critical for long-term baseline stability and detection limit consistency.
- MAX conductance interface technology increases effective pumping speed by optimizing flow geometry: conductance area is increased >3× and path length reduced >5× versus conventional configurations, directly enhancing sensitivity and response fidelity.
- Dual iridium-coated filaments enable uninterrupted operation via software-selectable hot-swap—eliminating manual intervention during filament failure and maintaining data continuity in 24/7 process monitoring.
- Ultra-low flow sampling capability (0.2–2 SCCM) avoids air entrainment artifacts typical of high-flow systems, preserving true process composition without dilution or atmospheric contamination.
- Real-time diagnostics include turbo pump motor current/voltage telemetry and chamber temperature monitoring—enabling predictive maintenance and automated fault logging per ISA-84 / IEC 61511 functional safety guidelines.
- Passivated stainless steel capillary inlet (1.2 m) incorporates integrated thermal management and geometric anti-clogging features, enabling stable operation in high-humidity, high-particulate, or condensable-vapor environments (e.g., fermentation off-gas, syngas, semiconductor etch exhaust).
Sample Compatibility & Compliance
The BSD-MASS supports direct, unmodified sampling from ambient-pressure process streams (100 ± 10 kPa), with optional configurations for sub-atmospheric or elevated-pressure interfaces (up to 500 kPa). It is validated for use with reactive, corrosive, and condensable gases—including H₂, CO, CO₂, CH₄, NH₃, H₂S, HCl, HF, and volatile organic compounds (VOCs)—without catalytic degradation or surface adsorption artifacts. The system meets electromagnetic compatibility requirements per EN 61326-1 and carries CE marking for industrial instrumentation. Its INFICON OEM software platform supports 21 CFR Part 11-compliant user access control, electronic signatures, and full audit trail generation—including method change history, calibration event logs, and raw spectral metadata—making it suitable for regulated pharmaceutical, biotech, and fine chemical manufacturing where data integrity is mandated under ALCOA+ principles.
Software & Data Management
Control and analysis are executed via the INFICON-provided English-language software suite, deployed on an embedded industrial PC with TCP/IP Ethernet interface for seamless integration into DCS, SCADA, or MES platforms (OPC UA and Modbus TCP drivers available upon request). The software enables real-time mass spectrum visualization, time-resolved partial pressure trending, multi-component quantification using internal or external standards, and automated peak identification against NIST/EPA spectral libraries. All raw data—including transient spectra, dwell times, electron energy settings, and hardware telemetry—are stored in vendor-neutral HDF5 format with embedded metadata tags (timestamp, instrument ID, calibration state, operator ID). Data export supports CSV, ASCII, and XML schemas for third-party statistical process control (SPC) or multivariate analysis (e.g., PCA, PLS regression) workflows.
Applications
The BSD-MASS is deployed across sectors requiring dynamic gas composition tracking under non-ideal sampling conditions. Typical use cases include: real-time monitoring of bioreactor off-gas for metabolic rate calculation (O₂ uptake, CO₂ evolution); leak detection and residual gas analysis (RGA) in vacuum furnace chambers; composition control in plasma-enhanced CVD/PECVD reactors; hydrogen purity assurance in PEM electrolyzer stacks; VOC emission profiling in waste incineration flue streams; and catalyst deactivation studies via in situ reaction product tracking. Its ability to operate reliably at <2 SCCM flow with <1 s response time makes it uniquely suited for low-throughput or intermittently vented processes—such as batch chemical synthesis reactors or pilot-scale electrochemical cells—where traditional high-flow analyzers fail to resolve transient events.
FAQ
Is the BSD-MASS compliant with FDA 21 CFR Part 11 for electronic records and signatures?
Yes—the INFICON OEM software includes configurable role-based access control, electronic signature capture, and immutable audit trails for all critical operations (calibration, method changes, data exports), satisfying Part 11 requirements for regulated environments.
Can the system analyze humid or particulate-laden gas streams without clogging or signal drift?
Yes—the inlet features a thermally stabilized, passivated stainless steel capillary with anti-condensation geometry and mechanical particle screening; field deployments confirm stable operation at >95% RH and with suspended solids up to 5 µm.
What vacuum performance is achieved during continuous operation?
With the Edwards 85 L/s turbo pump and integrated scroll backing pump, the system maintains <5 × 10⁻¹⁰ mbar in the analyzer chamber during steady-state operation—even with continuous 2 SCCM gas introduction.
Is remote diagnostics and firmware updates supported?
Yes—via secure SSH/TLS-enabled remote access, engineers can perform health checks, download diagnostic logs, and apply validated firmware patches without onsite intervention.
Does the system support custom mass calibration for non-standard gases?
Yes—users may define custom calibration curves using certified reference gas mixtures; calibration parameters are stored per-method and version-controlled within the software’s configuration database.
