Maintenance and care
88 Edition 01/2016 multi EA 4000
8.2.3 Replacing the desiccant in the drying tube
Drying tubes are used in the following measurement arrangements:
C/S measurement at the basic device multi EA 4000
TIC measurement in the corresponding TIC solids modules
The desiccant must be replaced if visibly saturated with water If soot or other particles dis-
color the desiccant, it must be replaced immediately.
1; 6 screw connections
2; 5 retention clips
3 desiccant (magnesium per-
chlorate)
4 Quartz wool
1. Release the screw connections at the glass tube.
Caution: The seals must not be lost and must be re-
installed in the same manner.
2. Remove the desiccant and the quartz wool.
3. Flush the glass tube and dry it.
4. Seal the end of the glass tube with quartz wool ap-
prox. 2 cm thick.
5. Fill the glass tube with 50 – 60 g fresh desiccant
(magnesium perchlorate).
6. Screw the glass tube back tightly and press it back
into the holder. Do not kink the hoses.