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15
64171LMP
Revision 3
PS200-LMP
PORTABLE GAS MONITOR
muted for 60 seconds by pressing and holding the R button. After this period, the audible alarm
will become active again, regardless of gas value.
3.7.1. Confidence Signal
During normal operation, the monitor sounds a confidence beep and illuminates the green LED’s
briefly every 15 seconds. This function makes the user aware that the monitor is operating
correctly.
3.8. Probe Connection and Use
The monitor has an internal pump for use with the probe. Connect the sample line probe tubing to
the sample connector at the bottom of the monitor, as shown in
. The pump is OFF after start-up.
Figure 19: Sample Line Connected to Monitor
Press and hold the R button (PUMP) to start or stop the pump. When the pump is running, a pump
symbol , illustrated in
, rotates in the display.
Figure 20: Pump Symbol Displayed
3.9. Switching the Instrument OFF
Press and hold both the L button and the R button to switch the monitor OFF. The monitor display
starts a countdown from three (3) to OFF, as shown in
. Both buttons must be
pressed together until the display goes blank.