MA-025 – DGA 900 Operator Guide – Rev 2.0 12-Apr-19 Page 22 of 92
6.5.1.3 Enter Rapid Mode
Rapid mode is a means of on demand sampling and uses a smaller quantity of oil to deliver
a result in around 30 minutes. Rapid mode measures four critical gases — hydrogen,
acetylene, carbon monoxide, carbon dioxide — and water, and charts the measurements
below. The ability to invoke successive quick measurement cycles over a short period can
indicate the speed at which a fault is progressing.
Note: Rapid mode measurements are performed independently of all other
measurements and do not affect alarms, relays or calculations.
Click Enter Rapid Mode to access the rapid mode options. The Quick Access panel
displays the available options as shown in Figure 6-7.
Figure 6-7: Quick Access – Rapid Mode
6.5.1.3.1 Start 1x Rapid Mode
To start a single rapid mode measurement, click Start 1x Rapid Mode.
6.5.1.3.2 Start 4x Rapid Mode
To start four rapid mode measurements in succession, click Start 4x Rapid Mode.
6.5.1.3.3 Stop Measurement
To cancel an active Rapid Mode measurement, click Stop Measurement.
6.5.1.3.4 Exit Rapid Mode
To exit Rapid Mode and return to the main dashboard, click Exit Rapid Mode.
6.5.1.4 Start Measurement
Choose Start Measurement to manually initiate a measurement cycle. The state in the
System Info pane updates to reflect that a measurement has started.
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