Mocon AMETEK Dansensor Lippke 5000 - Needles

32 User Guide EN Dansensor® Lippke® 5000
P/N 380419-C
05/2022
Needles
Needles are used to penetrate and inflate a package with compressed air to perform a test.
There are two types of needles:
 Test head needles
 Hand-held needles
Test head needles
The test head needles are designed to be fitted either to the test
head used together with the “Basic
Stand” and the “Fixture for
ASTM restraining” measurement accessories or to the hand-
held “Combined” type needle - see
page 33 for details.
Two type of test head needles are available:
(A) “Sharp” needle
(B) “Blunt” needle
These needles are suitable for almost all types of packages and
should be used together with septa (see
page 35).
When fitted to the test head  the needles fit on the outside of
the small needle
 which is used for pressure measurement.
The “Sharp” needle (A) can pierce the package by itself and
is primarily used for packages providing enough
headspace
to pierce the package without damaging the bottom of the
package or touching any product that might be present in
the package.
Press the needle through the hole in the septum and into
the package making sure that the needle is fully seated onto
the septum.

The “Blunt” needle (B) is recommended for slim packages in
order to avoid undesired damage to the underside
of the
package.
When using the “Blunt” needle (B), first make a small hole
with ex. a knife. Hole must be large enough to let air move
freely into the package. Place a black septum over the hole
and insert the needle into the septum. Preferably the needle
should be slightly inside the package.
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