Dispensing; Setting The Volume - VITLAB Dispenser TA2 Mode D'emploi

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7. Dispensing

7.1. Setting the volume

Loosen the volume selector thumb screw three-fourths turn (1), set the
pointer to the desired volume (2) and then retighten the volume thumb
screw (3).
7.2. Dispensing
Warning!
Wear protective clothing, eye protection and gloves! Never press
down the piston when the screw cap is screwed on! Avoid splash-
ing the reagent! Liquid may accumulate in the screw cap. To avoid
splashes dispense slowly. Follow all safety instructions and observe
limitations of use and operating limitations (page 28-29).
a) Remove screw cap from the discharge tube (Fig. 1).
b) When using instruments equipped with the recirculation valve,
turn the valve to 'Dispense'.
c) Hold the discharge tube orifice on the inner wall of a suitable
receiving vessel.
d) Gently lift the piston until the upper stop and then depress
piston slowly and steadily with minimal force until the lower
stop (Fig. 2).
e) Wipe off the discharge tube against the inner wall of the
receiving vessel.
f) Reattach screw cap to discharge tube (Fig. 3).
Caution:
After use, always leave the piston in the down position (park-
ing position). Only when cleaning for trace analysis should the
instrument be left in the filled state, i.e. with the piston at the
upper stop.
Warning!
The instrument must be clearly labeled when leaving the cylinder
in a filled state.
2
3
1
1
!
neu!
2
3
35

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