Insertion loss at high temperatures

Measurement Insertion loss, sound power
Standard DIN EN ISO 7235
Measurement object Exhaust gas silencers, components of exhaust gas systems, silencers in duct systems with high temperature

Technical data

Test duct 2 m length, connection 200 mm diameter
Fan Flow rate ≤ 450 m³/h
Heater battery Power 2 kW, max. temperature in the duct +130 °C
Size of test samples Max. 1.8 m length, max. 400 mm diameter

Special features

Type of test facility Closed loop duct system
Measuring duct Sound source, anechoic terminations


More information

  • Continuously adjustable air flow speed
  • Uniform and noiseless air flow