Priming
Warning:
Never press down the piston when the screw cap is screwed on!
Avoid splashing the reagent! The reagent can drip out from the dis-
charge tube and screw cap.
Note:
Before using the instrument for the first time, ensure it is rinsed
carefully and discard the first few samples dispensed. Avoid splashes.
Instruments with SafetyPrime™ recirculation valve:
1.
Open the screw cap of the dispensing tube (Fig. 1). For safety,
hold the discharge tube orifice on the inner wall of a suitable
receiving vessel.
2
. Set valve to 'Recirculate' (Fig. 2).
3
. For priming gently pull up the piston approx. 30 mm and push it
down rapidly until the lower stop. Repeat this procedure 5 times
(Fig. 3).
4.
Turn valve to 'Dispense' (Fig. 4).
5.
To avoid splashes when priming hold the discharge tube on the
inner wall of a suitable receiving vessel and dispense liquid to
prime the discharge tube until it is bubble-free. Wipe away any
remaining drops from the discharge tube. (Fig. 5).
Instruments without SafetyPrime™ recirculation valve:
1.
Open the screw cap of the discharge tube (see instrument with
SafetyPrime
To avoid splashes, hold discharge tube orifice on the inner wall of
a suitable receiving vessel.
2.
For priming pull up the piston approx. 30 mm and push it down
rapidly until the lower stop.
Repeat this procedure approximately 5 times until the discharge
tube is bubble-free (Fig. 6).
40
™
recirculation valve Fig. 1).
1
2
3
30 mm
4
5
6
!