OPERATION
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circumvented by pressing
[Y/+]
and selecting the appropriate
tube at the subsequent prompts using the
[N/-]
and
[Y/+]
keys.
Start Measurement
Press the
[Y/+]
key to start the measurement cycle. The pump
will start and the remaining wait time will be displayed. If a
VOC tube is inserted, the real-time ppm measurement will be
display. The total pump time is the sum of the pre-programmed
optimum time and the user programmable “measure wait time”.
At the end of the waiting period, the measurement value will be
logged, if enabled. At this point the monitor will alternately
display the measurement value and “Done!”
If no tube is inserted or detected, the
[Y/+]
key can be pressed.
The “Manual select?” message will be displayed. Press the
[Y/+]
key again to confirm a manual tube selection. The first
tube name, of the currently configured tubes, will be displayed.
Press the
[Y/+]
key to accept this tube name or press the
[N/-]
key to display the next tube in the list.
Measurement Display
and
Data Log
The sampled reading is the actual gas concentration in parts per
million (ppm) for that gas. The reading is held and displayed
until the user presses a key to move on to the next display.
Tube Removal
Press the
[Y/+]
key to advance to the next phase. The monitor
will next display the prompt “Remove tube!” (if a tube is
present). Remove the tube to return to the “Ready…” prompt.
Abort Measurement
During waiting period, any key pressed will abort the
measurement.
