Endress+Hauser Analytik Jena multi EA 4000, Operating Manual

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Maintenance and care multi EA 4000
112
10. Place the dust trap onto the ceramic tube and align it
with the gas connection pointing up. Press the dust trap
slightly against the tube towards the tube axis until the
dust trap slips onto the tube and cannot be moved fur-
ther.
11. Connect the measuring gas hose (hose no. 1) to the gas
connection at the dust trap.
12. Push the contact guard into the opening in the left-hand
side panel of the basic device.
13. Position the detector module and accessories back next
to the basic device.
7.2.3 Changing the desiccant in the drying tube
CAUTION
Danger of irritation of eyes, skin and respiratory system! Wear suitable physical protec-
tion when handling magnesium perchlorate and avoid the creation of dust during re-
filling. Keep magnesium perchlorate away from flames. The oxidant can make a fire
worse.
Drying tubes are used in the following measurement arrangements:

C/S measurement at the multi EA 4000 basic device

TIC measurement: in the corresponding TIC solids modules
The desiccant must be changed if water absorption is visible. If the desiccant is discol-
ored by rust or other particles, it must also be changed immediately.
1, 6 Screw closures
2, 5 Retention clips
3 Desiccant
(magnesium perchlorate)
4 Quartz wool
1. Detach the screw closures at the glass tube.
NOTICE! The seals must not be lost and must be
reinstalled in the same manner.
2. Remove the desiccant and the quartz wool. Dis-
pose of the desiccant correctly.
3. Rinse the glass tube and let it dry.
4. Seal one end of the glass tube approx. 2 cm thick
with quartz wool.
5. Fill the glass tube with 50 – -60 g of fresh desic-
cant (magnesium perchlorate).
6. Firmly screw the glass tube in and push it back
into the holder. Do not kink the hoses.