3.7 Preparing the Viscosity Measuring Unit ViscoClock for measurement
•
Allow for the tempering time, depending on the applicatlon.
•
Push membrane rod (16) downwards.
The silicone membrane (17) shuts the venting tube (1) (applies only to Ubbelohde viscometers).
Fig. 7
• Manually place the adapter (21) onto the silicone plug (11S), either
- suck at the capillary tube (2) through the silicone plug 11D) (→ exhibit 8} or
- push at the filling tube (3) through the silicone plug (11D) until the upper reservoir of the viscometer is at
least half filled (→ viscometer operating instructions).
Fig. 8
Initial operation
CAUTION!
In the case of foaming and etching measurement
liquids we recommend using sucking operation.
Necessary prerequisite is the VZ 6554 manual
pump 'suck'.
Sucking operation
(VZ 6554)
27