7. Dispensing
7.1. Setting the volume
Variable: Loosen the volume
selector thumb screw ¾ 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 closure cap is put on! Avoid splash-
ing the reagent! Liquid may accumulate in the closure cap. To
avoid! splashes dispense slowly. Follow all safety instructions and
observe limitations of use and operating limitations (page 30-32).
1.
Remove closure cap of the discharge tube (Fig. 1).
2.
When using instruments equipped with the recirculation valve,
turn the valve to ‚Dispensing'.
3.
Hold the discharge tube orifice on the inner wall of a suitable
receiving vessel.
4.
Gently lift the piston until the upper stop and then depress piston
slowly and steadily with minimal force until the lower stop (Fig. 2).
5.
Wipe off the discharge tube against the inner wall of the receiving
vessel.
6.
Close discharge tube with the closure cap (Fig. 3).
Caution!
After using the piston, always press it down to the lower stop.
2
3
1
Fixed-volume: The volume is non-
adjustable and cannot be changed.
1
2
3
!
37