4-10 | Thermox TM2000 Oxygen Analyzer
Process Pressure
This menu option allows you to define your process pressure. It also al-
lows you to define whether your process is operating under a positive or
negative pressure. Setting this value corrects oxygen measurements for
the defined pressure.
Use this option only if you are returning the exhaust to the process. If
you are venting the exhaust to atmosphere, you do not need to enter a
process pressure.
Setting Up Process Pressure
1. Select Process Pressure from the Setup Key menu.
2. Select Positive Pressure or Negative Pressure.
You are then prompted to enter your system process pressure:
Pressure = xxx.x kPa
New Value?
3. Enter your process pressure (up to one decimal point is allowed - for
example, 1.5 kPa), then press the Enter Key. If you select a positive
pressure, a plus sign (+) will appear before your value. If you select a
negative pressure, a negative sign (-) will appear before your value.
The process pressure you entered will appear on the third display line.
4. If the correct pressure has been entered into the system, press the En-
ter Key without entering a new value to exit this menu option. If the
pressure was incorrectly entered, you can reenter it at this point.
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