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September 21, 2021
  All Categories  >  Asphalt Binder Testing (+Superpave)  >  Aging
  Product Information
Rolling Thin-Film Oven, Cox and Sons, 60Hz
Model: BTAG-9
Price: $7,920.00
Condition: New
Warranty: Yes
Availability: Inquire
   Product Model # Price   Sale Price Qty
 Rolling Thin-Film Oven, Cox and Sons, 60Hz   BTAG-9   $7,920.00      
   Product Model # Price   Sale Price Qty
 RTFO Bottle Scraper   BTAG-7   $73.00      
 RTFO Bottle Tongs   BTAG-8   $35.00   $25.00    
 RTFO Bottles   GLGW-1   $38.00      
  Other Models
   Product Model # Price   Sale Price Qty
 Rolling Thin-Film Oven, Cox Brand - Export Unit, 50Hz   BTAG-9F   $9,875.00      
  The rolling thin film oven test is used to measure the effect of heat and air on a moving film of semi-solid asphaltic materials. The results of this treatment are determined from measurements of the asphalt properties before and after the test.

The CS325-B precision oven is designed for the specific requirements in the State of California method 346, AASHTO T240 and ASTM D2872.

Repeatability of the RTFO test is directly related to the accuracy with the oven temperature can be maintained to the specific standard temperature of 163°C, and the reproducibility of the thermal rise time of the system. The CS325-B has been designed to perform or exceed the specification requirements as detailed by AASHTO and ASTM.

The oven temperature is sampled by a precision RTD sensor exposed to the supervised environment. The thermal mass of the sensor is extremely low having a thermal/electrical time constant measurable in seconds. The controller accepts the signal from the RTD sensor and precisely displays the process temperature while providing an accurate output control signal to maintain the process at the required control point. The controller operates in the PID mode. It has a programmable auto tune feature which automatically establishes the tuning constants. The PID constants may be fine-tuned by the operator at any time, if desired, and secured from further modification by unauthorized personnel. The controller employs a unique suppression feature which allows for the quickest response time without excessive overshoot. Dual 4 digit displays allows viewing of the process temperature and set point simultaneously.

The CS325-B oven is double walled and designed to conform exactly to the AASHTO and ASTM specifications for interior dimensions and location of critical components.


Construction: 16 gauge welded steel exterior. 18-gauge corrosion resistant stainless steel interior

Insulation: 3-1/2 inches of high density fiberglass insulation

Controller: Programmable micro processor UL listed

Temperature - 4 digit red LED's
Set point - 4 digit green LED's

Thermal Protection: Prevents oven from overheating in the event of control failure

Temperature Range: Ambient to 200°C

Vents: Double exhaust vents for dissipation of expended volatile from specimen

Flow Meter: Range 200 - 14000 ML/MIN

Air Pressure Gauge: Range 0 - 100 PSI

Air Flow Adjustment: Needle valve (long taper)

Heat Exchanger: 5/16" dia. copper tube

Blower Motor: Model - Grainger 6K092 Thermal protection (manual reset)

Rack Motor and Gear Reducer: Model - NSY-12RG Bodine Protection (fuses)

Voltage: 240v AC 60 Hz, single phase, 9.3 amps, 2240 watts

Net Wieght: 254 Lbs.
Shipping Weight: 380 Lbs.
Dimensions (overall): 40"W 36"H 26"D
Dimensions (shipping): 48"W 46"H 35"D



  • Shipping Dimensions: 48x46x35


  • Net Weight: 390 lbs
  • Shipping Weight: 500 lbs crate

Additional Documentation

Click here to view the operation manual (.PDF) for this RTFO


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