5
2
MECHANICAL INSTALLATION
Dissolved Oxygen 9438
Ø 8.5
for M8 fastener in
four positions
Dimensions in mm.
25
25
25
160 mm space required below sensor
panel, to allow for the opening of the
optional environmental cover.
160
440
200
325
Secure the enclosure to a
vertical surface using the four
fixing holes and suitable
screws/bolts.
100
85
175
190
116
approximately
140
310
142
approximately
Ø 5.5
for M5 fastener in
four positions
Dimensions in mm.
Flow Gauge
(ml/min)
Needle
Valve
(to set flow
rate)
Solenoid
Sample
Outlet
Solenoid-
operated
Valve
Sample
Drain
User supplied
10 mm i.d.
rubber tubing
User supplied
10 mm i.d.
rubber tubing
1 m maximum
Drain – see
Note
Sample
Outlet
Sample inlet via
shut off valve if
required.
Sample drain during
automatic calibration
2.3
Installing the Dissolved Oxygen Flowcell
2.3.1
Flowcell Dimensions (Overall) – Fig. 2.7
2.3.2
Enclosure Dimensions (Optional) – Fig. 2.8
2.3.3
Connecting the Sample Lines – Fig. 2.9
Mount the flowcell vertically (with or without the enclosure) as
shown in Figs 2.7 and 2.8. Connect the sample inlet and outlet
tubes as shown in Fig. 2.9.
Note.
•
The sample flowrate must be between 100 and
400 ml min
–1
.
• The Company recommends that stainless steel tubing is
used for sample inlet lines.
• All sample drains should be kept as short as possible and
be vertical to allow the sample to drain freely.
Fig. 2.7 Flowcell Dimensions
Fig. 2.8 Enclosure Dimensions
Fig. 2.9 Connecting the Sample Lines
Note.
Drain tubes must be straight and
vertical to allow the sample to flow freely.
