Ele 45-9300 manual International

International

8.Open the water inlet valve to fill the pycnometer to the very top without leaving any air space. Be careful not to turn off the vacuum. Close the water inlet valve.

9.Using the quick-disconnect, detach the gauge-hose assembly from the top of the pycnometer.

10.If there is any air trapped in the pycnometer, reconnect the aspirator and vacuum gauge (using the quick-connect) and let more water in.

11.Close the water inlet valve.

12.Disconnect the water inlet hose from the pycnometer.

13.Within 10 + 1 minutes after step 8, weigh the pycnometer while it is still filled with water (de-aired) and the sample. Record this weight as "E".

14.Remove the lid and drain the water from the pycnometer. Remove the asphalt sample, clean the inside, and clamp the lid on. Re- install the gauge and hose assembly, reconnect the water inlet hose, and refill completely with water following steps 5 to 8.

15.Detach the gauge assembly and the water inlet hose.

16.Weigh the pycnometer filled with water only, within 10 + 1 minutes after releasing all of the air bubbles and filling completely per step 8. Record this weight as "D".

Note: It is recommended that a graph of weight versus temperature for the pycnometer filled with de-aired water be made, so that the value of D can be taken from this graph for any temperature in the laboratory. This will eliminate steps 14 to 16. See Section III Calibration.

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