BRAND dispensette S, Руководство по эксплуатации

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English
43
Dispensing
Digital:
Rotate the volume-
setting wheel until the desired
volume is indicated (mechanical
counter).
Fixed-volume: The volume is
non-adjustable and cannot be
changed.
1.
Setting the volume
2.
Dispensing
After using the piston, always press it down to the lower stop
(parking position).
Caution:
Warning!
Analog-adjustable: 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).
a) Remove screw cap from the discharge tube (Fig. 1).
b) When using instruments equipped with the recirculation valve,
turn the valve to 'Dispensing'.
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).
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 34-35).