
TPD/TDS System
Stand-alone UHV unit intended for measuring adsorption/desorption of ultrathin films, capable of high precision temperature control over a wide temperature range.
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
- Base pressure 1×10-9 mbar
- TPD/TDS chamber with fast PTS sample holder loading system
- Specially designed conical sampling end piece
- High precision temperature control over a wide temperature range (-170 °C to 1200 °C)
- Computer-controlled data acquisition and processing software for TDS
- Load Lock chamber for two PTS sample holders
- Reliable and fast linear transferring system from load-lock to TPD chamber
Options
Many upgrade options available, e.g.:
- Additional axes of movement and full motorisation of the manipulator
- Possibility to extend pressure range from UHV up to 1 atm with precise PLC control of the pressure
- Gas dosing system (manual or precise with PLC control)
- Solvent dosing system
- Sample holders dedicated to work in corrosive environment
- Heating and LN2 cooling option for the load lock
- Dedicated chamber for sample preparation
- Residual gas analyser for a different mass range
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.