Buchi DuMaster D-480 User Manual download pdf (Page 68)

Operation Manual D-480 ©BÜCH Labortechnik AG

4 - Understanding the instrument and planning its use 68

The areas of the status view and what they mean

The following table lists the individual areas of the status view and the information they contain:

Area

Meaning

Process Displays a list of individual processes during the analysis procedure. The current

process is highlighted with a colored background so that you can see the

progress of the analysis of the current sample straight away. Displays "Standby"

when the instrument is in idle mode.

Detector Displays the following current values of the detector unit:

 the current height of the current measuring peak.

 the detector temperature.

Temperatures Displays the current temperatures of the following units:

 Combustion tube

 Post combustion tube

 Reduction tube

Flow The current gas flow is displayed here.

 MFC CO2: CO

flow through the MFC in the TCD

 MFC O2: O

flow through the analysis apparatus during the combustion

 Flow CO2: CO

flow through the analysis apparatus

In addition to the numeric data, the gas flow is also displayed in bar chart form.

Pressure Displays the current pressure values in the instrument here:

 Input: Pressure value at the entrance section

 Output: Pressure value at the exit section

In addition to the numeric data, the pressure is also displayed in bar chart form.

Maintenance Maintenance intervals for the analyzer are defined on the basis of the maximum

number of measured samples until a certain maintenance event occurs, see

Defining maintenance intervals in the software (on page 170). The

"Maintenance" section displays the current percentage of the specified number of

samples until the next maintenance interval. This figure is displayed numerically

and as a bar chart. The colors of the chart indicates the progress of the the next

due maintenance interval.

 green: less than 80%

 yellow: 80 to 99%

 red: more than 99%

When a maintenance interval is due, its name is displayed as text on the bar chart

and a symbol flashes drawing the user's attention to this issue.

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Buchi DuMaster D-480 User Manual Page 68