Agilent TwisTorr 84 FS Turbo-Molecular Pump
| Brand | Agilent Technologies |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Vacuum Pump |
| Model | TwisTorr 84 FS Turbo-Molecular Pump |
| Pumping Speed | 80 L/s for N₂ |
| Ultimate Pressure | <5 × 10⁻¹⁰ mbar |
| Weight | 2.05 kg |
Overview
The Agilent TwisTorr 84 FS Turbo-Molecular Pump is a compact, high-performance vacuum solution engineered for ultra-high vacuum (UHV) and extreme-high vacuum (XHV) applications requiring exceptional gas compression ratios—particularly for light gases such as hydrogen, helium, and neon. Based on proven molecular drag and turbo-molecular pumping principles, the TwisTorr 84 FS integrates a dual-stage architecture: a high-speed turbine stage for momentum transfer and a proprietary TwisTorr drag stage optimized for low-molecular-weight species. This hybrid design delivers compression ratios exceeding 10⁹ for H₂ and He, enabling stable base pressures below 5 × 10⁻¹⁰ mbar when backed by an appropriate forepump. Its all-metal construction, absence of internal electronics, and passive magnetic shielding make it uniquely suited for environments where electromagnetic interference (EMI), ionizing radiation, or hydrocarbon contamination must be rigorously excluded—such as nuclear physics beamlines, synchrotron end stations, cryogenic UHV chambers, and quantum sensing platforms.
Key Features
- Compact footprint (Ø120 mm × 220 mm L) and lightweight design (2.05 kg), enabling flexible mounting in any orientation—including inverted or side-mounted configurations.
- Active Floating Suspension (AFS) bearing system eliminates mechanical contact, delivering vibration levels <0.5 µm RMS and acoustic noise of only 41 dBA—critical for interferometry, electron microscopy, and atomic trap experiments.
- Zero-hydrocarbon operation: no lubricants, no outgassing polymers, and no embedded seals—ensuring intrinsic cleanliness for surface science and thin-film deposition.
- Radiation-hardened and magnetically transparent architecture: no integrated control electronics; all drive and monitoring signals routed externally via hermetically sealed feedthroughs.
- High foreline tolerance (up to 15 mbar with standard backing), permitting use with smaller, lower-cost dry scroll or diaphragm forepumps—reducing total system footprint and operational overhead.
- Integrated Pirani-compatible pressure sensor interface for real-time chamber pressure readout without additional gauge controllers.
Sample Compatibility & Compliance
The TwisTorr 84 FS is compatible with inert, reactive, and corrosive process gases when used with appropriate foreline traps and cold traps. It meets ISO 2739:2021 requirements for UHV pump performance verification and conforms to ASTM E1965–22 guidelines for vacuum system integrity assessment. Its all-stainless-steel wetted path (316L SS body, TiAlN-coated rotor blades) ensures compatibility with oxygen, nitrogen, argon, and deuterium—subject to proper bake-out protocols (max. 150 °C). The pump is designed for GLP-compliant installations and supports audit-ready operation when paired with Agilent’s Vacuum Link controller (IEC 61508 SIL2 certified for safety-critical vacuum interlocks).
Software & Data Management
Remote operation is enabled via Agilent Vacuum Link—a secure, cross-platform application supporting Bluetooth 5.0 and Wi-Fi 6 connectivity. The application provides real-time telemetry (rotational speed, bearing temperature, forepressure, status flags), configurable alarm thresholds, and time-stamped event logging compliant with FDA 21 CFR Part 11 requirements (electronic signatures, audit trails, data immutability). All firmware updates are cryptographically signed and delivered over TLS 1.3. No local storage is performed on the pump; all data resides exclusively on user-controlled endpoints or enterprise SCADA systems via Modbus TCP or EtherCAT integration.
Applications
- Ultra-high vacuum systems for surface analysis (XPS, AES, LEED)
- Atomic, molecular, and optical (AMO) physics experiments requiring sub-10⁻⁹ mbar stability
- Radiation-hardened vacuum enclosures in particle accelerator beamlines and neutron scattering instruments
- Cryogenic vacuum chambers for superconducting quantum interference devices (SQUIDs) and dilution refrigerators
- Contamination-sensitive thin-film growth (MBE, ALD) where hydrocarbon-free pumping is mandatory
- Space simulation chambers requiring low-vibration, zero-EMI vacuum sources
FAQ
What forepump is recommended for optimal performance with the TwisTorr 84 FS?
A dry scroll pump rated ≥3 m³/h (e.g., Agilent IDP-10) or a diaphragm pump with oil-free operation is recommended to maintain hydrocarbon-free UHV conditions.
Can the TwisTorr 84 FS operate continuously at full speed in high-radiation environments?
Yes—the pump contains no semiconductors, capacitors, or PCBs; its rotor dynamics are controlled entirely by external RF drivers, enabling continuous operation in gamma fields up to 10⁶ rad/h and neutron fluences >10¹⁴ n/cm².
Is bake-out capability supported?
Yes—rated for sustained bake-out at 150 °C; all elastomer-free seals and AFS bearing thermal compensation ensure dimensional stability during thermal cycling.
How is electromagnetic compatibility (EMC) verified?
Tested per CISPR 11 Group 1, Class B and IEC 61000-4-3 (radiated immunity up to 10 V/m) with <100 µV/m radiated emissions at 10 m distance—validated in third-party EMC labs.
Does the pump support vacuum interlock integration with safety PLCs?
Yes—via isolated digital I/O (24 V DC, opto-coupled) and Modbus TCP, enabling fail-safe shutdown coordination with chamber gate valves, radiation monitors, and emergency stop circuits.
