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Job Application
International Standards:
- ASTM D2872
- AASHTO T240
- CNR N.54
- EN 12607-1
- IS 15799-2008
Application: Determines the resistance of bituminous binder to hardening from heat and air using the Rolling Thin Film Oven Test.
Introduction: Simulates binder hardening during mixing and finishing. Prepares binder samples for mass change and other short-term aging tests.
Salient Features:
- Electrically heated, double-walled oven with high-density glass wool insulation.
- Over-temperature and automatic door-open switches.
- Includes a spy lamp, alarm, and cooling fan.
- Stainless steel inner chamber and powder-coated outer CRC.
- High-quality thermal insulation and armored heating resistance.
- Flow meter, air flow regulator, and digital PID temperature control.
- Rotating shelf for better heat distribution and minimal air resistance.
- Comes with pilot lamps, 2-meter cord, and power plug.
Apparatus Details:
- Rotating Shelf: Vertical metal carriage, 304.8 mm diameter, rotates at 15 ± 0.2 RPM, holds eight glass containers.
- Sample Containers: 64 mm ± 1.2 mm diameter, 139.7 mm depth, flat-bottomed, heat-resistant glass.
- Thermometer: ASTM 13C, available with calibration traceability (extra cost).
|
Working size |
483 x 445 x 381mm ( W x D x H) |
|
Volume |
82 Liters |
|
Rating |
2.0 KW |
|
Temperature Range |
50 °C - 300 °C |
|
Temperature Control |
Microprocessor based Auto-Tuning Digital PID temperature controller cum indicator |
|
Temperature Display |
LED Digital display |
|
Temperature sensor |
PT-100 sensor |
|
Temperature Resolution |
0.1 °C |
|
Temperature Accuracy |
± 1 °C or better |
|
Shaft |
Rotating Vertical Circular carriage for sample containers as mentioned in ASTM D2872 standard |
|
Carriage Rotation |
Rotated by electric motor at 15 ± 0.2 RPM as per ASTM D2872 |
|
Electric Motor |
Of reputed make |
|
Glass container |
Clear, transparent, Heat resistant glass containers to be held in Circular carriage |
|
No of glass containers |
08 Nos |
|
Air jet orifice |
1.016 mm diameter |
|
Copper tubing dimensions |
7.6 meter length and 8 mm outside diameter |
|
Construction |
Tripple walled construction |
|
Exterior body |
Made of mild steel material, which is powder coated in attractive shades |
|
Inner chamber |
Made of Stainless Steel S.S. 304 - mirror polished material. |
|
Insulation |
High density glass wool insulation - (2.5”) in all sides of chamber to offer minimum heat loss |
|
Heating element |
Heating elements placed at the bottom of the oven Floor as per ASTM D2872 |
|
Blower |
Suspended vertically from the ceiling of the oven for uniform heat distribution inside the working chamber |
|
Door lock |
Special heavy duty Stainless steel lock and door hinges with spring and roller mechanism |
|
Observation window |
With two sheets of glass separated by an air space, 11” x 13” (H x W) |
|
Ventilation |
Adjustable air ventilation mounted at top and bottom for dissipation of expended volatile from specimen as per ASTM D2872 |
|
Rate of air flow |
Calibrated flow meter measuring range 0 - 4000 ml/min |
|
Operation on |
230 volts, 50 hz, Single phase, AC Supply |
|
Internal circuitry wires |
As per CE Compliance |
|
Design |
CE CERTIFIED Design criteria |
|
Overall Dimensions |
1160 X 700 X 960 MM |
|
Weight (Approx.) |
112 kg |
