determines the volume of air
(expressed in liter) which pass the test sample under a known depression.
Provided with digital timer
to select the requested test time; solenoid valve for immediate stop of volumetric
meter when pre-set time is over.
The test sample is secured
between 2 flanges to assure air tightness.
It is equipped with:
special device to
control volumetric meter calibration
50 cm2 metal
ring for tightness tests.