6.1.14 Stopwatch, with a graduation or reading of 0.2 s or
lower, with an accuracy of 0.1 % over a period of 10 min.
6.2 Automated Apparatus:
6.2.1 The automated apparatus shall include elements conforming to 6.1.1-6.1.8, platinum resistance thermometers,
cooling bath(s), vacuum pump, and suitable electronic control
and measurement devices.
6.2.2 Cooling Bath, a refrigeration unit capable of maintaining the cooling bath at the required temperature and also of
automatically changing the bath temperature within 2 min 30 s
at the appropriate stage (see 12.2.5).
6.2.3 Vacuum Pump, powerful enough to ensure an air flow
rate in the vacuum regulator of a minimum of 15 6 1 L/h, and
to maintain a constant vacuum of 200 6 1 mm (2 6 0.05 kPa)
for the duration of the test. For multi-position testers using the
same vacuum pump, the flow rate shall be checked when
several positions are operating simultaneously