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...6.4 Installing the Optional De-bubbler – Figs. 6.6 and 6.7
Adjust flow regulator valve
1
(A) until the overflow from
the de-bubbler is at a
minimum
Key
Optional Equipment – see
Notes.
1. The de-bubbler MUST be mounted vertically with the flow upwards.
2. Degassing of the sample causes very erratic readings. To prevent degassing, do not exceed stated distance.
3. Adjust the flowrate as required to prevent blockages in the pipework and/or sediment build-up in the flowcell.
4. Install flow regulating valves and a flow indicator to simplify maintenance and ensure consistent performance.
These items are not supplied with the AV400 Series UV Dissolved Organics Monitor system.
De-bubbler
see
Note 1
Drain
Outlet
Tundish
Flow Regulator
Valve (A)
Sample in
below
Note 4
Fig. 6.7 Typical De-bubbler Installation
below
150mm (5.9 in.) maximum
– see
below
Note 2
7320 100
Flow Regulator
Valve (B)
Adjust the sample flow through the system
2
to between 0.5 and 5 l/min using flow
regulator valve (B) – see
6 INSTALLATION...
AV400
Sample Outlet
Connector
150mm (5.9 in.) maximum
– see
below
Note 2
Tundish
below
Note 3
37
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