Bacharach Flue-Gas Sample Conditioning System Especificações descarregar pdf (Página 19)

ECA 450 Operation

Instruction 0024-9400

2.5 Ending a Combustion Test

1. After performing a combustion test per Section 2.4, press RUN key to end

the test. You should hear the pump stop running.

WARNING: Burn hazard! Take all necessary precautions when handling a

hot probe and probe stop.

CAUTION: Allow a hot probe and probe stop to cool before storing them

inside the analyzer’s carrying case.

2. Loosen thumbscrew on probe stop; then remove probe and probe stop

from stack.

Note: If data was saved during the combustion test, the analyzer can be

safely turned off without loosing the saved data, which can be reviewed at

a later time as described in Section “2.9 Recalling Test Data Stored in

Memory.”

3. Turn off analyzer per Section 2.2 Turning Off the Analyzer.

2.6 Performing a Draft Measurement

1. If not already done, turn on analyzer and place probe inside stack as

previously described (Sections 2.1 and 2.4).

2. Press PRESSURE key to display the Pressure screen.

««««««PRESSURE««««««

n.nn xxxx

Where: n.nn = current pressure reading

xxxx = pressure units (refer to Section 2.17.2)

3. If desired, pressure sensor can be zeroed at this time as described below.

To skip the zeroing procedure, proceed to Step 4.

a) With Pressure screen displayed, again press PRESSURE key to

display the Pressure Zero screen.

Pressure Zero

Disconnect Hose

Then Press ENTER

b) Disconnect probe’s pressure hose from analyzer’s PRESSURE

connector.

c) Press ENTER to zero pressure sensor to atmospheric pressure; after

which, reconnect probe hose that was removed in Step 3b.

Reconnect Hose

4. The Pressure screen is now displaying the stack’s draft value as a

negative pressure.

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Bacharach Flue-Gas Sample Conditioning System Especificações Página 19