ABB SCC-K, Руководство оператора

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14 SCC-K NO
2
/ NO Converter Operator’s Manual 42/23-52 EN Rev. 2
Checking for Gas-Tightness
The converter must be cooled down to room temperature in order to check for
gas-tightness!
Step Action
1 Connect device to mains supply.
2 Set temperature controller to room temperature.
3 Switch sample gas path to catalyst operation (lower green LED lights
up).
4 Seal sample gas outlet tightly.
5 Connect sample gas outlet with U-tube manometer or similar and
upstream stopcock.
Release air using the stopcock until the manometer displays a
pressure of approximately p
e
= 50 hPa.
6
Do not exceed the maximum operating pressure of p
abs
=
200 kPa!
7 Close stopcock.
Checking for Gas-
Tightness
8 A leak is shown by a marked fall in pressure after several minutes.