
Hemispherical Energy Analyser EA15
The EA15 provides high-resolution PES measurements with a 150 mm mean radius analyser.
Manufacturer
Prevac
Prevac are a world leader in the design and production of analytical and deposit scientific and research equipment. Their systems operate in a high and ultra high vacuum environment. They design and construct UHV and HV systems fully adapted to the individual requirements of research projects and industrial applications.

Key Features
- Supports a broad range of techniques
- Universal Compatibility: Works with any excitation source, ensuring effortless adaptability to diverse experimental setups
- A choice of multiple detector types for tailored performance (MCP-CCD, 7MCD, DLD (Delay Line Detector))
- State-of-the-Art Software
- Integration Options (SPECTRIUM software, LabVIEW for seamless integration into custom setups)
- Advanced Surface Mapping: Perform precise surface mapping with automated manipulator control

Description
The analyser is wrapped in a shield constructed of up to two parallel mu-metal plates guaranteeing adequate analysis conditions for low-and high-energy photoelectrons.
Equipped with a total number of 11 slits, the analyser offers the possibility to choose between best energy resolution and best intensity. According to given photoelectron energy the analyser is set up with up to 8 predefined PE to satisfy customer’s requirements.
Package includes:
- EA15 150 mm hemispherical energy analyser
- RUDI-EA2 high stable and low noise electronics
- SPECTRIUM acquisition and analyser control software for Windows OS computer system
- Computer set
Detectors
- MCP-CCD detector
– 40 mm diameter dual MCP detector
– 656 energy channels available simultaneously
– 494 angular channels available simultaneously
– 90 fps - 7-MCD detector
- DLD detector
– Maximum energy window in fixed mode: ~17% of pass energy
– 56 mm diameter detector with 7 channeltrons
– Applied voltage: 2.5-3.5 kV
Versatility Across Applications
The EA15 hemispherical energy analyser supports a broad range of techniques, including:
- Photoelectron Spectroscopy (PES)
- Angle Resolved Photoelectron Spectroscopy (ARPES)
- Ion Scattering Spectroscopy (ISS)
- Depth Profiling with X-ray Photoelectron Spectroscopy (XPS)
- Mapping XPS, HPS, SemiXPS, LEIS
- Ultraviolet photoelectron spectroscopy (UPS)
- Auger Electron Spectroscopy (AES)
- Semi Hard X-ray photoelectron spectroscopy (semi HAXPES)
- Low-energy ion scattering spectroscopy (LEIS)
State-of-the-Art Software
The SPECTRIUM software suite provides:
- Full control of the analyser, excitation sources, vacuum systems, and manipulators.
- Data acquisition, mapping, and ARPES capabilities.
- Control of manipulator temperature, enabling precise thermal experiments.
- Quick export to analysis software like CasaXPS.
- Creation of custom measurement recipes, including automated processes between measurements.
- Python scripting support for advanced custom workflows
Technical data
Mounting flange | DN 100 CF |
Bakeout temperature | up to 150 °C |
Working distance | 43 mm |
Analyser mean radius | 150 mm |
Pass energies XPS XPS/UPS & XPS/UPS/ARPES |
20, 50, 100, 200 eV 1, 2, 5, 10, 20, 50, 100, 200 eV |
Energy resolution XPS XPS/UPS & XPS/UPS/ARPES |
< 20 meV FWHM < 3 meV FWHM |
Kinetic energy range | 0.5 – 3000 eV |
Acquisition modes | fixed, scan |
Transmission and angular lens mode: ▫ lens acceptance angle (transmission mode) ▫ lens acceptance angle (angular mode) |
+/- 15° +/- 3° +/- 10° |
IRIS aperture | from 1 mm to 32 mm |
Completely designed of non-magnetic materials | |
Possibility of exchanging detectors without dismounting the analyser | |
Feedthroughs on the analyser marked with dedicated colour corresponding with electronics to prevent mistakes during installation of the analyser | |
ISS/AES option included |
Downloads

XPS/UPS/ARPES Systems Brochure

Instruments with Electronics Brochure
Service Support
Comprehensive repairs and servicing
Annual Support Programs
Your metrology instrumentation is a major investment that is critical to your business operation and success. In today’s competitive climate, it is more important than ever to extend the functionality and peak performance of your metrology equipment years beyond the expiration of your factory warranty. CN Tech’s Support Programs will help ensure that your investment is protected, and that you and your instrument’s are always operating at peak performance.
With over 20 years’ experience servicing and repairing you can be assured that your system is in safe hands. The independent services we offer include system relocation, maintenance visits, parts and consumables, and break down interventions.
CN Tech’s Support Programs are an economical way to guarantee optimal working condition:
- Annual Preventive Maintenance
- Priority Technical Assistance
- Preferred Parts Availability
- On-Site User Training
- Remote Diagnostics
- No surprise repair expense and much more!
Support Contact Example
An example of our service and support contracts are shown below:

Metrology & Instrumentation Annual Support Programs 2024/25
CN Tech's Support Programs will help ensure that your investment is protected, and that you and your instrument’s are always operating at peak performance.