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Model 41 apparatus for determination of air release properties of oils meets the specifications of ASTM D3427 test method.
Model 41 consists of an air heating chamber with digital indicating temperature control, air pressure gauge, air pressure regulator, jacketed impinger test vessel, a glass bob with platinum wire, digital electronic balance with PC communication and facility at the bottom for the glass bob connection, and a heated recirculating bath. The recirculating bath provides ±0.1°C temperature control of the oil in the impinger vessel as well as for preheating of the glass bob.
Over temperature protection circuitry is provided in Model 41 in the event of primary controller failure. As another safety measure, pressure relief valve is provided to release pressure at 10 psig. The impinger vessel is supported on and adjustable up or down with a precision screw type platform to allow precise positioning of the glass bob within the test oil.
An automatic timer shuts down the flow after 7 minutes and sounds an alarm calling for the operator to insert the glass bob and measure the density.
Specifications are subject to change without notice. |
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