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| DRTFO-1 Asphalt Rolling Thin-Film Oven
This Rolling Thin-Film asphalt over is especially designed for testing the effect of heat and air on a moving film of asphalt in accordance with ASTM Designation D2872-88, AASHTO designation T240-87 and California test method 346-E. It has a large observation window in the door that provides a clear view of sample bottles and themometer. Stainless Steel interior leveling legs bottle carousel is easily removed for cleaning digital temperature controller enhances reliability and stability to save time and reduce errors solid state relay heater control and hi-limit over temperature protection. Includes eight sample bottles and ASTM loss-on-heat-thermometer.
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| Power Requirements | | 240V, 60Hz, 1 Ph
| | Appr.Chamber Size WxDxH | | 16x17 1/2x13 1/2 Inch
| | Appr.Overall Size WxDxH | | 38 1/2x28x37 Inch
| | Capacity | | 8 No. of bottles
| | Carr.Wheel- Speed | | 15 ± 0.2 rpm
| | FAN Speed | | 1725 rpm
| | FAN Rating | | 1/4 HP
| | Control Stability | | ۫ at 325 °F
| | Recovery Time | | Door open 2 minutes at 302 =< 10 minutes °F
| | Operating Range | | 30 Over Fresh air inlet temperature to 400 °F
| | Heater | | 2.0 kW
| | Plug Connector | | 13.2(14.7 on 208) A
| | Appr. Net Weight | | 305 lb
| | Note | | Approximate minutes to insert samples in a preheated over **Over comes ready to operate on 240V, single phase 60Hz line. 280V operation requires a minor modification which can be made on-site by the end-user or our factory. Modification at Despatch factor
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