Multi Station
Vicat Test Apparatus
28
4.5 Monitoring
The apparatus has various monitoring routines that monitor it during testing. One of these routines monitors
the Vicat needle. If the needle breaks, the apparatus will report the needle breakage to the handset unit as
well as to the PC-application and runs to maintenance position and waits until you replace the needle (sec-
tion
Figure 24: fix broken needle
Note
Notice:
If the apparatus is set so that the needle does not reach the glass plate (rubber buffer
set higher), the needle break detection will not function.
Other reports from the monitoring routines see section
4.6 Running to maintenance position
In order to change the needle on the drop rod or to change the brushes, the apparatus must be brought
into maintenance position.
The activation of the maintenance position is the same for all Vicat devices (4, 6, 8 and 12 samples)!
Figure 25: maintenance position
It can be done in two different ways, either from the PC software (
“Device>Run to Maintenance position”;
see
“Software Operating Manual”, section 4.9), or during the reference search after switching ON.
Fix broken needle