5.5.4 An alternative method is to insert the temperature
sensor without a brass tip into the melt from the top of the
cylinder so that it is 10 and 75 6 1 mm above the upper face
of the die.
5.5.5 The temperature sensor and readout equipment used
for calibration of the extrusion plastometer shall be traceable to
a national standard (for example, NIST).