LORENZ EN 54 Test Tunnel

Wind speed: 0.15 — 4.0 m/s

Air temperature: -7 — +160 °C

Temperature gradient (EN 54-5): 0.1 — 30 K/min.

Obscuration: 0.0000 — 2.0000 dB/m

Concentration gradient (EN 54-7): 0.0002 — 0.1 dB/m/min.

Aerosol substance: paraffin oil

Particle size distribution: 0.55 — 1.05 µm (adjustable mass median diameter, MMD)

Cross-section: 0.4 x 0.4 m² (interior), 0.5 x 0.5 m² (exterior)

Width x depth x height: 4.20 x 2.20 x 2.50 m³