Installation Of Tubes - Hach TitraLab Total Hardness Basic User Manual

4. Press the button to lock the electrode holder and place the
electrode holder on the stand rod. The electrode holder is locked
upon release of the button.
5. Remove the white cap from the tip of the electrode.
Insert the electrode into the electrode holder.
N O T I C E
Warning against system damage
Make sure that the height setting of the electrode holder protects the electrode
against damage from the stirring bar and against contact with the bottom of the
titration cell.
Keep the lock button pressed whenever the electrode holder is being moved.
Note: Whenever the electrode is taken from the titration stand or the
titration cell is removed from the titration stand, always place a container
beneath the electrode. Otherwise, drips from the sample or chemicals
could contaminate the work area.
Figure 3 Installation of the titration stand
English 9
Electrical connection of the magnetic stirrer
1. Connect the cable of the magnetic stirrer to the STIRRER port on
the back of the TitraLab.
The power is supplied via the TitraLab.

Installation of tubes

W A R N I N G
Risk of injury to eyes, skin and respiratory
During the first days of system use, check the screw joint between the syringe and
valve to avoid leaks and the potential escape of reagents.
When working with chemicals and/or solvents, always observe the relevant
accident prevention regulations and wear appropriate personal protective clothing
for eye, face, hand, body and/or respiratory protection.
Make sure that the tubes are never kinked.
Regularly check the system as well as all tubes and connections for
leaks, condition and cleanliness.
To prevent twisting of the tubes, you should always connect flange tube
connections before those with grommets.
The system is delivered with four tubes; these are supplied pre-installed
on the TitraLab and only need to be connected to the relevant reagent
bottles and to the electrode.
Removal of protective stickers (Uninstalled tubes configuration)
1. Remove the protective stickers on the burette valve.
2. Make sure that the pre-installed white O-rings are not removed.
3. Check that the O-rings are in a horizontal position inside the thread.