ATEX-HAZARDOUS LOCATION

AC&E Services

- Dust characterisation to define the machine’s operating limits

LEL field testing

Field testing and report issue as an ISO 17025 Accredited Laboratory

ATEX Certifications

CHARACTERISATION OF POTENTIALLY EXPLOSIVE DUSTS

  • Prescreening to assess the potentially explosive character without the composition being known
  • Determining the grading curve
  • Dust characterisation to define the machine’s operating limits and ensure compliance with ATEX directive/HAZARDOUS LOCATION requirements
  • Complete characterisation with 20L Sphere
  • Worldwide support

PRESCREENING WITH HARTMANN TUBE ISO 80079-20-2

The Hartmann Tube is an tool that allows a dust to be prescreened to determine whether it is potentially explosive.

The dust is dispersed into the glass tube and an electric arc is triggered at the same time.

If the dispersed dust ignites due to the high energy of the arc, it is characterised as potentially explosive.

DETERMINATION OF AUTO-IGNITION TEMPERATURE IN A LAYER AND IN A CLOUD

MIT

The self-ignition temperature in a cloud is determined by dispersing a quantity of dust within an insulated instrument and raising the temperature up to 1000°C. The ignition temperature is determined when the dust visually sparks or ignites.

LIT

The self-ignition temperature in a layer is determined by arranging a layer of dust within a metal ring situated on a hotplate heated to 400°C and above. The temperature is increased until the dust turns into embers.