Hanna Instruments HI 901 - Manual (Page 105)

8-5
AUXILIARY FUNCTIONS
The manual dispense volume must be between the limits shown bellow:
0.001 to 4.500 mL for a 5 mL burette
0.001 to 9.000 mL for a 10 mL burette
0.005 to 22.500 mL for a 25 mL burette
0.005 to 45.000 mL for a 50 mL burette
8.1.4Purge Burette
This option allows titrant evacuation before cleaning and/or storing the burette. The burette
is flushed twice.
Note: Before starting this operation, remove the aspiration tube from the titrant bottle.
The figures below show the steps in a purge burette operation.
8.2 Stirrer
The stirrer can be started and stopped by pressing .
The stirring speed is set within the active methods (see section 5.5.17 Stirring Speed).
During the process, the stirring speed can also be manually adjusted by using the
and
keys.