Eppendorf Top Buret M / H - Manual (Page 26)

26
Operation
Top Buret
™
English (EN)
5.5 Removing the bottle
5.6 Emptying the device
Before changing the liquid and before cleaning, the Top Buret must be emptied.
Proceed as follows:
Prerequisites
• The bottle has been unscrewed (see p. 26)
1. Mount the Top Buret onto an empty bottle.
2. Place a collection vessel below the canula.
3. Rotate the discharge valve toggle to titration.
4. Rotate the dispensing wheels forward until no more liquid runs out of the
discharge tube.
5. Rotate the discharge valve toggle to deairing.
6. Rotate the dispensing wheels forward until no more liquid runs out of the
recirculation tube.
Abb. 5-4: Emptying the telescopic aspirating tube
Fig. 5-4: Emptying the telescopic
aspirating tube
1. Rotate the discharge valve toggle to
deairing.
2. Place the Top Buret with bottle into
a suitable collecting vessel.
3. Unscrew the device from the bottle
in a counterclockwise direction.
4. Lift the Top Buret until the
telescopic aspirating tube is no
longer immersed in the liquid.
5. Gently tap the telescopic aspirating
tube against the inside of the bottle.
The residual liquid from the
telescopic aspirating tube runs into
the bottle.
To remove the reagents completely, clean the device.