Products > Test Analysers to International Test Methods > Heater Air On Asphalt Test - NORMALAB

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[ Brochure ]

• Double walled convection oven with following inner dimensions: 381 mm high, 483 mm wide, 450mm deep, excluding plenum.
  

• The door contains a viewing window made of two sheets of resistant glass separated by an air layer.
  

• The oven is vented at top and bottom. Bottom vents have 15cm² open area symmetrical top vents have 9.5cm² open area.
  

• This oven has an air plenum as described in ASTM D2872 specification. It is also provided with squirrel type fan for better uniformity.
  

• The control board includes electronic temperature regulator with digital display and setting at 163°C +/- 0.5°C and a factory calibrated flowmeter for adjusting air flow at 4000 mL/min.
  

• The oven has built in 305mm diameter vertical circular carriage to hold 8 glass sample containers rotating at 15+/- 0.2 rpm.
  

• It is equipped with air jet for blowing heated air into each bottle at its lowest point of travel.
  

• Outlet orifice having 1mm diameter is connected to 7.6 m length copper tubing to heat up air. The apparatus is supplied with 8 glass containers and one thermometer ASTM 13C.