Tinius Olsen MP1200 Extrusion Plastometer Page 15-1
Operation Manual # 02002215
15 Section 15 - Testing Polymers According to ASTM D 1238 Procedure
B (Automatically Timed Flow Rate) when the Melt Density is
Unknown (Procedure for Calculating the Melt Density of a Polymer)
NOTE: The instructions in this Section are based on ASTM D 1238. This test method should
be thoroughly studied by all operators prior to using the MP1200. Copies of the standard are
available from ASTM at 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, USA –
Telephone: (610) 832-9721.
15.1 Introduction
15.1.1 The MP1200/MP1200M must be equipped with the PPDT Automatic Timing
Switch in order to perform a test according to ASTM D 1238, Procedure B.
The test also requires the appropriate weight(s) for the polymer to be tested.
The optional Motorized Weight Lowering Device (WLD) may be used if
desired.
15.1.2 The MP1200 is now ready for operation. Check nameplate to verify the
correct voltage is being used. Connect the MP1200 to a suitable power
supply (500 WATT MINIMUM) and turn on the power switch on the side of the
machine (near the power cord).
15.1.3 When first turned on, the machine will display the Tinius Olsen logo while it is
booting up.
15.1.4 If the WLD on the MP1200M is being used, it is good practice to manually
lower the weight onto the piston prior to testing in order to check the
alignment of the piston with respect to the hole in the weight. After checking
the alignment, raise the weight platform to its upper position.
15.1.5 From The main screen, press CONFIGURATION.
15.1.6 Enter the Program Access Code which is 8 3 5, in succession, then DONE.
15.1.7 The next screen that appears is the Machine Settings screen. You can turn
on various features on this screen but the important feature is the PPDT
option, Press ON to activate the PPDT. Press the DONE button when
finished.
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