There is a wide range of accessories available for the FPS-4000 for flexible application to different dilution needs. For easy selection we have prepared two accessory packs, which contain all necessary accessories for heated sampling in automotive and stationary source applications:
The recommended accessories for the automotive application are easily available in a single package FPS-4403 – Accessories for full automotive sampling. The package includes the following items:
- DH-1723 Pressurised air heater for dilution air
- For heated dilution air up to 350 °C
- DH-1423 Probe heater
- For heating the dilution probe
- FPS-4001 Pressurised air filtration and drying unit
- For conditioning the dilution air to eliminate unwanted artefacts
- FPS-4005 Automatic pressure controller
- For automatic control of the FPS operating pressure
- ELA-424 Mobile rack for Dekati instruments
- For easy transfer of instruments between measurement locations

The recommended accessories for the stationary source application are easily available in a single package FPS-4503 – Accessories for full stack sampling. The package includes the following items:
- DH-1723 Pressurised air heater for dilution air
- For heated dilution air up to 350 °C
- FPS-4230 Stack heater, pre-cut cyclone and one nozzle for isokinetic sampling
- For large stacks, inludes a 2.5 µm-cut mini-cyclone
- For large stacks, inludes a 2.5 µm-cut mini-cyclone

- ELA-419, set of 5 sampling nozzles for the mini-cyclone
- For isokinetic sampling
- FPS-4001 Pressurised air filtration and drying unit
- For conditiong the dilution air to eliminate unwanted artefacts
- FPS-4005 Automatic pressure controller
- For automatic control of the FPS operating pressure
- ELA-441 Extension cable set (8m)
- For increased flexibility in placement of the sampling probe
In addition, the following accessories are recommended for nucleation studies:
- ELA-400 Residence time chamber
- For giving the nucleated particles an accurately specified time to grow into a measurable size.

- ELA-407 Vortex generator
- For efficient cooling and accurately controlled dilution temperature.
- FPS-4001 Pressurised air filtration and drying unit
- For always ensuring dry and hepa-grade filtered dilution air
- FPS-4005 Automatic pressure controller
- For easy operation of the system especially with unstable pressurised air sources
